From 9e1633747457d2168c0064433960de150d451bdf Mon Sep 17 00:00:00 2001
From: Anastasis Georgoulas <hionanthropos11@yahoo.com>
Date: Fri, 23 Oct 2020 18:51:56 +0300
Subject: [PATCH 01/32] Add skeleton of earthquakes solution

---
 week04/quakes.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 week04/quakes.py

diff --git a/week04/quakes.py b/week04/quakes.py
new file mode 100644
index 0000000..fdd6cfd
--- /dev/null
+++ b/week04/quakes.py
@@ -0,0 +1,19 @@
+"""A script to find the biggest earthquake in an online dataset."""
+
+# At the top of the file, import any libraries you will use.
+# import ...
+
+# If you want, you can define some functions to help organise your code.
+# def helper_function(argument_1, argument_2):
+#   ...
+
+# When you run the file, it should print out the location and magnitude
+# of the biggest earthquake.
+# You can run the file with `python quakes.py` from this directory.
+if __name__ == "__main__":
+    # ...do things here to find the results...
+
+    # The lines below assume that the results are stored in variables
+    # named max_magnitude and coords, but you can change that.
+    print(f"The maximum magnitude is {max_magnitude} "
+          f"and it occured at coordinates {coords}.")

From e1194cc5e7d90045b8f78089f088c56348bb0fbe Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Thu, 29 Oct 2020 12:05:35 +0000
Subject: [PATCH 02/32] create plots

---
 week04/quakes.py | 70 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 week04/quakes.py

diff --git a/week04/quakes.py b/week04/quakes.py
new file mode 100644
index 0000000..5cb1918
--- /dev/null
+++ b/week04/quakes.py
@@ -0,0 +1,70 @@
+import requests
+import json
+import time 
+import datetime
+import matplotlib.pyplot as plt
+
+quakes = requests.get("http://earthquake.usgs.gov/fdsnws/event/1/query.geojson",
+                      params={
+                          'starttime': "2000-01-01",
+                          "maxlatitude": "58.723",
+                          "minlatitude": "50.008",
+                          "maxlongitude": "1.67",
+                          "minlongitude": "-9.756",
+                          "minmagnitude": "1",
+                          "endtime": "2018-10-11",
+                          "orderby": "time-asc"}
+                      )
+
+quakes = json.loads(quakes.text)
+print(quakes['features'][0]['properties'].keys())
+
+max_mag = 0
+max_quake = None
+num_quakes = len(quakes['features'])
+for f in quakes['features']:
+    if f['properties']['mag'] > max_mag:
+        max_mag = f['properties']['mag']
+        max_quake = f
+
+
+year_list = []
+mag_dict = {}
+years = []
+mag_avg = []
+
+for f in quakes['features']:
+    t = f['properties']['time']
+    mag = f['properties']['mag']
+    year = datetime.datetime.fromtimestamp(t/1000).year
+    year_list.append(year)
+
+    if year in mag_dict.keys():
+        mag_dict[year].append(mag)
+    else:
+        mag_dict[year] = [mag]
+
+for k in mag_dict.keys():
+    years.append(k)
+    mag_avg.append(sum(mag_dict[k])/len(mag_dict[k]))
+
+plt.hist(year_list, bins=18)
+plt.xticks(range(min(year_list), max(year_list)+1))
+plt.xlabel('year')
+plt.ylabel('frequency')
+plt.show()
+print(year_list)
+
+plt.plot(years, mag_avg)
+plt.xticks(range(min(year_list), max(year_list)+1))
+plt.xlabel('year')
+plt.ylabel('Average Magnitude')
+plt.show()
+
+print(max_mag)
+print(max_quake)
+
+print("The biggest quake was in %s (%s), with Mag %s" % (max_quake['properties']['place'],
+max_quake['geometry']['coordinates'], max_quake['properties']['mag']))
+print("https://www.google.com/maps/search/?api=1&query=%s,%s" % (max_quake['geometry']['coordinates'][1], 
+max_quake['geometry']['coordinates'][0]))
\ No newline at end of file

From 3cb8304ab20051181218f20c4536ea6b0ef4f4c8 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Sat, 31 Oct 2020 22:14:54 +0000
Subject: [PATCH 03/32] add bar for tick centering

---
 week04/quakes.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/week04/quakes.py b/week04/quakes.py
index 5cb1918..f04389b 100644
--- a/week04/quakes.py
+++ b/week04/quakes.py
@@ -32,6 +32,7 @@
 mag_dict = {}
 years = []
 mag_avg = []
+freq = []
 
 for f in quakes['features']:
     t = f['properties']['time']
@@ -47,13 +48,17 @@
 for k in mag_dict.keys():
     years.append(k)
     mag_avg.append(sum(mag_dict[k])/len(mag_dict[k]))
+    freq.append(len(mag_dict[k]))
 
 plt.hist(year_list, bins=18)
 plt.xticks(range(min(year_list), max(year_list)+1))
 plt.xlabel('year')
 plt.ylabel('frequency')
 plt.show()
-print(year_list)
+
+plt.bar(years, freq)
+plt.xticks(range(min(year_list), max(year_list)+1))
+plt.show()
 
 plt.plot(years, mag_avg)
 plt.xticks(range(min(year_list), max(year_list)+1))

From 31eca3dddbd8e092eb9622f6fee61710f0659740 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Sat, 31 Oct 2020 22:22:07 +0000
Subject: [PATCH 04/32] add times Answers UCL-RITS/rse-classwork-2020#61

---
 week05-testing/times.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 week05-testing/times.py

diff --git a/week05-testing/times.py b/week05-testing/times.py
new file mode 100644
index 0000000..d57f401
--- /dev/null
+++ b/week05-testing/times.py
@@ -0,0 +1,26 @@
+import datetime
+
+
+def time_range(start_time, end_time, number_of_intervals=1, gap_between_intervals_s=0):
+    start_time_s = datetime.datetime.strptime(start_time, "%Y-%m-%d %H:%M:%S")
+    end_time_s = datetime.datetime.strptime(end_time, "%Y-%m-%d %H:%M:%S")
+    d = (end_time_s - start_time_s).total_seconds() / number_of_intervals + gap_between_intervals_s * (1 / number_of_intervals - 1)
+    sec_range = [(start_time_s + datetime.timedelta(seconds=i * d + i * gap_between_intervals_s),
+                  start_time_s + datetime.timedelta(seconds=(i + 1) * d + i * gap_between_intervals_s))
+                 for i in range(number_of_intervals)]
+    return [(ta.strftime("%Y-%m-%d %H:%M:%S"), tb.strftime("%Y-%m-%d %H:%M:%S")) for ta, tb in sec_range]
+
+
+def compute_overlap_time(range1, range2):
+    overlap_time = []
+    for start1, end1 in range1:
+        for start2, end2 in range2:
+            low = max(start1, start2)
+            high = min(end1, end2)
+            overlap_time.append((low, high))
+    return overlap_time
+
+if __name__ == "__main__":
+    large = time_range("2010-01-12 10:00:00", "2010-01-12 12:00:00")
+    short = time_range("2010-01-12 10:30:00", "2010-01-12 10:45:00", 2, 60)
+    print(compute_overlap_time(large, short))
\ No newline at end of file

From c8ce7cd66b90f0e69818a9931e311822c332d555 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Sun, 1 Nov 2020 01:04:55 +0000
Subject: [PATCH 05/32] Add test for times UCL-RITS/rse-classwork-2020#61

---
 week05-testing/test_times.py | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 week05-testing/test_times.py

diff --git a/week05-testing/test_times.py b/week05-testing/test_times.py
new file mode 100644
index 0000000..f9ee51a
--- /dev/null
+++ b/week05-testing/test_times.py
@@ -0,0 +1,10 @@
+from times import compute_overlap_time, time_range
+from datetime import datetime
+
+def test_given_input():
+    large = time_range("2010-01-12 10:00:00", "2010-01-12 12:00:00")
+    short = time_range("2010-01-12 10:30:00", "2010-01-12 10:45:00", 2, 60)
+    result = compute_overlap_time(large, short)
+    expected = [('2010-01-12 10:30:00', '2010-01-12 10:37:00'), ('2010-01-12 10:38:00', '2010-01-12 10:45:00')]
+    
+    assert result == expected
\ No newline at end of file

From 86c3261f53d210f7c75cab496b89706694c0f7c4 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 16:17:21 +0000
Subject: [PATCH 06/32] Add more tests

---
 week05-testing/test_times.py | 32 +++++++++++++++++++++++++-------
 1 file changed, 25 insertions(+), 7 deletions(-)

diff --git a/week05-testing/test_times.py b/week05-testing/test_times.py
index f9ee51a..466bbc0 100644
--- a/week05-testing/test_times.py
+++ b/week05-testing/test_times.py
@@ -1,10 +1,28 @@
 from times import compute_overlap_time, time_range
 from datetime import datetime
+import pytest
 
-def test_given_input():
-    large = time_range("2010-01-12 10:00:00", "2010-01-12 12:00:00")
-    short = time_range("2010-01-12 10:30:00", "2010-01-12 10:45:00", 2, 60)
-    result = compute_overlap_time(large, short)
-    expected = [('2010-01-12 10:30:00', '2010-01-12 10:37:00'), ('2010-01-12 10:38:00', '2010-01-12 10:45:00')]
-    
-    assert result == expected
\ No newline at end of file
+from times import compute_overlap_time, time_range
+
+@pytest.mark.parametrize("range1, range2, expected",
+[(time_range("2010-01-12 10:00:00", "2010-01-12 12:00:00"),
+  time_range("2010-01-12 10:30:00", "2010-01-12 10:45:00", 2, 60),
+  [("2010-01-12 10:30:00","2010-01-12 10:37:00"), ("2010-01-12 10:38:00", "2010-01-12 10:45:00")]),
+  (time_range("2010-01-12 10:00:00", "2010-01-12 11:00:00"),
+  time_range("2010-01-12 12:30:00", "2010-01-12 12:45:00", 2, 60),
+  []),
+  (time_range("2010-01-12 10:00:00", "2010-01-12 13:00:00", 3, 900),
+  time_range("2010-01-12 10:40:00", "2010-01-12 11:20:00", 2, 120),
+  [("2010-01-12 10:40:00","2010-01-12 10:50:00"), ("2010-01-12 11:05:00", "2010-01-12 11:20:00")]),
+  (time_range("2010-01-12 10:00:00", "2010-01-12 11:00:00"),
+  time_range("2010-01-12 11:00:00", "2010-01-12 12:45:00"),
+  [])
+])
+def test_param(range1, range2, expected):
+    assert compute_overlap_time(range1, range2) == expected
+
+
+def test_backward():
+    with pytest.raises(ValueError) as e:
+        time_range("2010-01-12 13:00:00", "2010-01-12 12:00:00")
+        assert e.match('End time should be later than Start time.')

From 9884d30b63dc826cb76aabf7ace722a09381b99e Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 16:29:36 +0000
Subject: [PATCH 07/32] init travis CI

---
 .travis.yml      |  16 +++++
 requirements.txt | 179 +++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 195 insertions(+)
 create mode 100644 .travis.yml
 create mode 100644 requirements.txt

diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..992431d
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,16 @@
+language: python
+python:
+  - "2.7"
+  - "3.4"
+  - "3.5"
+  - "3.6"      # current default Python on Travis CI
+  - "3.7"
+  - "3.8"
+  - "3.8-dev"  # 3.8 development branch
+  - "nightly"  # nightly build
+# command to install dependencies
+install:
+  - pip install -r requirements.txt
+# command to run tests
+script:
+  - pytest
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..1edb4be
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,179 @@
+# This file may be used to create an environment using:
+# $ conda create --name <env> --file <this file>
+# platform: linux-64
+_libgcc_mutex=0.1=main
+appdirs=1.4.4=pypi_0
+argon2-cffi=20.1.0=py37h7b6447c_1
+asn1crypto=0.24.0=py37_0
+astroid=2.4.2=py37_0
+async_generator=1.10=py37h28b3542_0
+attrs=19.3.0=pypi_0
+bleach=3.2.1=py_0
+bzip2=1.0.8=h7b6447c_0
+ca-certificates=2020.10.14=0
+certifi=2020.6.20=pyhd3eb1b0_3
+cffi=1.12.3=py37h2e261b9_0
+chardet=3.0.4=py37_1003
+click=7.1.2=pypi_0
+conda=4.9.1=py37h06a4308_0
+conda-package-handling=1.3.11=py37_0
+cryptography=2.7=py37h1ba5d50_0
+cython=0.29.21=pypi_0
+daemonize=2.5.0=pypi_0
+dbus=1.13.18=hb2f20db_0
+decorator=4.4.2=py_0
+defusedxml=0.6.0=py_0
+dill=0.3.2=pypi_0
+distro=1.5.0=pypi_0
+dlx=1.0.4=pypi_0
+docplex=2.15.194=pypi_0
+entrypoints=0.3=py37_0
+expat=2.2.10=he6710b0_2
+fastdtw=0.3.4=pypi_0
+fastjsonschema=2.14.4=pypi_0
+fontconfig=2.13.0=h9420a91_0
+freetype=2.10.4=h5ab3b9f_0
+gettext=0.19.8.1=hd7bead4_3
+glib=2.58.3=py37h6f030ca_1002
+greenlet=0.4.15=pypi_0
+gst-plugins-base=1.14.0=hbbd80ab_1
+gstreamer=1.14.0=hb453b48_1
+h5py=2.10.0=pypi_0
+icu=58.2=he6710b0_3
+idna=2.8=py37_0
+importlib-metadata=1.7.0=pypi_0
+importlib_metadata=2.0.0=1
+inflection=0.5.0=pypi_0
+iniconfig=1.1.1=py_0
+inkscape-figures=1.0.8=pypi_0
+inotify=0.2.10=pypi_0
+ipykernel=5.3.4=py37h5ca1d4c_0
+ipython=5.8.0=py37_1
+ipython_genutils=0.2.0=py37_0
+ipywidgets=7.5.1=py_1
+isort=5.6.4=py_0
+jinja2=2.11.2=py_0
+joblib=0.16.0=pypi_0
+jpeg=9b=h024ee3a_2
+jsonschema=3.2.0=py_2
+jupyter=1.0.0=py37_7
+jupyter_client=6.1.7=py_0
+jupyter_console=5.2.0=py37_1
+jupyter_core=4.6.3=py37_0
+jupyterlab_pygments=0.1.2=py_0
+lazy-object-proxy=1.4.3=py37h7b6447c_0
+libarchive=3.3.3=h5d8350f_5
+libedit=3.1.20181209=hc058e9b_0
+libffi=3.2.1=hd88cf55_4
+libgcc-ng=9.1.0=hdf63c60_0
+libiconv=1.15=h63c8f33_5
+libpng=1.6.37=hbc83047_0
+libsodium=1.0.18=h7b6447c_0
+libstdcxx-ng=9.1.0=hdf63c60_0
+libuuid=1.0.3=h1bed415_2
+libxcb=1.14=h7b6447c_0
+libxml2=2.9.9=hea5a465_1
+lz4-c=1.8.1.2=h14c3975_0
+lzo=2.10=h49e0be7_2
+markupsafe=1.1.1=py37h14c3975_1
+marshmallow=3.7.1=pypi_0
+marshmallow-polyfield=5.9=pypi_0
+mccabe=0.6.1=py37_1
+mistune=0.8.4=py37h14c3975_1001
+more-itertools=8.4.0=pypi_0
+mpmath=1.1.0=pypi_0
+msgpack=0.6.1=pypi_0
+nbclient=0.5.1=py_0
+nbconvert=6.0.7=py37_0
+nbformat=5.0.8=py_0
+ncurses=6.1=he6710b0_1
+neovim-remote=2.2.0=pypi_0
+nest-asyncio=1.4.0=pypi_0
+networkx=2.4=pypi_0
+nose=1.3.7=pypi_0
+notebook=6.1.4=py37_0
+ntlm-auth=1.5.0=pypi_0
+numpy=1.19.0=pypi_0
+openssl=1.1.1h=h7b6447c_0
+packaging=20.4=py_0
+pandas=1.0.5=pypi_0
+pandoc=2.11=hb0f4dca_0
+pandocfilters=1.4.2=py37_1
+pcre=8.44=he6710b0_0
+pexpect=4.8.0=py37_1
+pickleshare=0.7.5=py37_1001
+pip=19.1.1=py37_0
+pluggy=0.13.1=py37_0
+ply=3.11=pypi_0
+prometheus_client=0.8.0=py_0
+prompt_toolkit=1.0.15=py_1
+psutil=5.6.3=pypi_0
+ptyprocess=0.6.0=py37_0
+py=1.9.0=py_0
+pybind11=2.5.0=pypi_0
+pycosat=0.6.3=py37h14c3975_0
+pycparser=2.19=py37_0
+pygments=2.7.2=pyhd3eb1b0_0
+pylint=2.6.0=py37_0
+pynvim=0.3.2=pypi_0
+pyopenssl=19.0.0=py37_0
+pyparsing=2.4.7=py_0
+pyperclip=1.8.0=pypi_0
+pyqt=5.9.2=py37h05f1152_2
+pyrsistent=0.16.0=pypi_0
+pyscf=1.7.3=pypi_0
+pysocks=1.7.0=py37_0
+pytest=6.1.1=py37_0
+python=3.7.3=h0371630_0
+python-constraint=1.4.0=pypi_0
+python-dateutil=2.8.1=py_0
+python-libarchive-c=2.8=py37_11
+pytz=2020.1=pypi_0
+pyzmq=19.0.2=py37he6710b0_1
+qiskit=0.19.6=pypi_0
+qiskit-aer=0.5.2=pypi_0
+qiskit-aqua=0.7.3=pypi_0
+qiskit-ibmq-provider=0.7.2=pypi_0
+qiskit-ignis=0.3.3=pypi_0
+qiskit-terra=0.14.2=pypi_0
+qt=5.9.7=h5867ecd_1
+qtconsole=4.7.7=py_0
+qtpy=1.9.0=py_0
+quandl=3.5.1=pypi_0
+readline=7.0=h7b6447c_5
+requests=2.22.0=py37_0
+requests-ntlm=1.1.0=pypi_0
+retworkx=0.4.0=pypi_0
+ruamel_yaml=0.15.46=py37h14c3975_0
+scikit-learn=0.23.1=pypi_0
+scipy=1.5.1=pypi_0
+send2trash=1.5.0=py37_0
+setuptools=41.0.1=py37_0
+simplegeneric=0.8.1=py37_2
+sip=4.19.8=py37hf484d3e_0
+six=1.12.0=py37_0
+sqlite=3.29.0=h7b6447c_0
+sympy=1.6.1=pypi_0
+terminado=0.9.1=py37_0
+testpath=0.4.4=py_0
+threadpoolctl=2.1.0=pypi_0
+tk=8.6.8=hbc83047_0
+toml=0.10.1=py_0
+tornado=6.0.4=py37h7b6447c_1
+tqdm=4.32.1=py_0
+traitlets=5.0.5=py_0
+typed-ast=1.4.1=py37h7b6447c_0
+unidecode=1.1.1=pypi_0
+urllib3=1.24.2=py37_0
+wcwidth=0.2.5=py_0
+webencodings=0.5.1=py37_1
+websockets=7.0=pypi_0
+wheel=0.33.4=py37_0
+widgetsnbextension=3.5.1=py37_0
+wrapt=1.11.2=py37h7b6447c_0
+xz=5.2.4=h14c3975_4
+yaml=0.1.7=had09818_2
+zeromq=4.3.3=he6710b0_3
+zipp=3.1.0=pypi_0
+zlib=1.2.11=h7b6447c_3
+zstd=1.3.7=h0b5b093_0

From a97001ae352e330cf97536a9e1ff53ed97baca9f Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 16:43:25 +0000
Subject: [PATCH 08/32] fix requirments.txt

---
 requirements.txt | 309 ++++++++++++++++++++---------------------------
 1 file changed, 130 insertions(+), 179 deletions(-)

diff --git a/requirements.txt b/requirements.txt
index 1edb4be..48ca5bb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,179 +1,130 @@
-# This file may be used to create an environment using:
-# $ conda create --name <env> --file <this file>
-# platform: linux-64
-_libgcc_mutex=0.1=main
-appdirs=1.4.4=pypi_0
-argon2-cffi=20.1.0=py37h7b6447c_1
-asn1crypto=0.24.0=py37_0
-astroid=2.4.2=py37_0
-async_generator=1.10=py37h28b3542_0
-attrs=19.3.0=pypi_0
-bleach=3.2.1=py_0
-bzip2=1.0.8=h7b6447c_0
-ca-certificates=2020.10.14=0
-certifi=2020.6.20=pyhd3eb1b0_3
-cffi=1.12.3=py37h2e261b9_0
-chardet=3.0.4=py37_1003
-click=7.1.2=pypi_0
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-jpeg=9b=h024ee3a_2
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-libpng=1.6.37=hbc83047_0
-libsodium=1.0.18=h7b6447c_0
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-libuuid=1.0.3=h1bed415_2
-libxcb=1.14=h7b6447c_0
-libxml2=2.9.9=hea5a465_1
-lz4-c=1.8.1.2=h14c3975_0
-lzo=2.10=h49e0be7_2
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-marshmallow-polyfield=5.9=pypi_0
-mccabe=0.6.1=py37_1
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-openssl=1.1.1h=h7b6447c_0
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-pickleshare=0.7.5=py37_1001
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-prometheus_client=0.8.0=py_0
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-pysocks=1.7.0=py37_0
-pytest=6.1.1=py37_0
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-python-constraint=1.4.0=pypi_0
-python-dateutil=2.8.1=py_0
-python-libarchive-c=2.8=py37_11
-pytz=2020.1=pypi_0
-pyzmq=19.0.2=py37he6710b0_1
-qiskit=0.19.6=pypi_0
-qiskit-aer=0.5.2=pypi_0
-qiskit-aqua=0.7.3=pypi_0
-qiskit-ibmq-provider=0.7.2=pypi_0
-qiskit-ignis=0.3.3=pypi_0
-qiskit-terra=0.14.2=pypi_0
-qt=5.9.7=h5867ecd_1
-qtconsole=4.7.7=py_0
-qtpy=1.9.0=py_0
-quandl=3.5.1=pypi_0
-readline=7.0=h7b6447c_5
-requests=2.22.0=py37_0
-requests-ntlm=1.1.0=pypi_0
-retworkx=0.4.0=pypi_0
-ruamel_yaml=0.15.46=py37h14c3975_0
-scikit-learn=0.23.1=pypi_0
-scipy=1.5.1=pypi_0
-send2trash=1.5.0=py37_0
-setuptools=41.0.1=py37_0
-simplegeneric=0.8.1=py37_2
-sip=4.19.8=py37hf484d3e_0
-six=1.12.0=py37_0
-sqlite=3.29.0=h7b6447c_0
-sympy=1.6.1=pypi_0
-terminado=0.9.1=py37_0
-testpath=0.4.4=py_0
-threadpoolctl=2.1.0=pypi_0
-tk=8.6.8=hbc83047_0
-toml=0.10.1=py_0
-tornado=6.0.4=py37h7b6447c_1
-tqdm=4.32.1=py_0
-traitlets=5.0.5=py_0
-typed-ast=1.4.1=py37h7b6447c_0
-unidecode=1.1.1=pypi_0
-urllib3=1.24.2=py37_0
-wcwidth=0.2.5=py_0
-webencodings=0.5.1=py37_1
-websockets=7.0=pypi_0
-wheel=0.33.4=py37_0
-widgetsnbextension=3.5.1=py37_0
-wrapt=1.11.2=py37h7b6447c_0
-xz=5.2.4=h14c3975_4
-yaml=0.1.7=had09818_2
-zeromq=4.3.3=he6710b0_3
-zipp=3.1.0=pypi_0
-zlib=1.2.11=h7b6447c_3
-zstd=1.3.7=h0b5b093_0
+appdirs==1.4.4
+argon2-cffi @ file:///tmp/build/80754af9/argon2-cffi_1596828452693/work
+asn1crypto==0.24.0
+astroid @ file:///tmp/build/80754af9/astroid_1592495881661/work
+async-generator==1.10
+attrs @ file:///tmp/build/80754af9/attrs_1600298409949/work
+bleach @ file:///tmp/build/80754af9/bleach_1600439572647/work
+certifi==2020.6.20
+cffi==1.12.3
+chardet==3.0.4
+click==7.1.2
+conda==4.9.1
+conda-package-handling==1.3.11
+cryptography==2.7
+Cython==0.29.21
+daemonize==2.5.0
+decorator==4.4.2
+defusedxml==0.6.0
+dill==0.3.2
+distro==1.5.0
+dlx==1.0.4
+docplex==2.15.194
+entrypoints==0.3
+fastdtw==0.3.4
+fastjsonschema==2.14.4
+greenlet==0.4.15
+h5py==2.10.0
+idna==2.8
+importlib-metadata @ file:///tmp/build/80754af9/importlib-metadata_1602276842396/work
+inflection==0.5.0
+iniconfig @ file:///tmp/build/80754af9/iniconfig_1602780191262/work
+inkscape-figures==1.0.8
+inotify==0.2.10
+ipykernel @ file:///tmp/build/80754af9/ipykernel_1596206598566/work/dist/ipykernel-5.3.4-py3-none-any.whl
+ipython==5.8.0
+ipython-genutils==0.2.0
+ipywidgets @ file:///tmp/build/80754af9/ipywidgets_1601490159889/work
+isort @ file:///tmp/build/80754af9/isort_1602603989581/work
+Jinja2==2.11.2
+joblib==0.16.0
+jsonschema @ file:///tmp/build/80754af9/jsonschema_1602607155483/work
+jupyter==1.0.0
+jupyter-client @ file:///tmp/build/80754af9/jupyter_client_1601311786391/work
+jupyter-console==5.2.0
+jupyter-core==4.6.3
+jupyterlab-pygments @ file:///tmp/build/80754af9/jupyterlab_pygments_1601490720602/work
+lazy-object-proxy==1.4.3
+libarchive-c==2.8
+MarkupSafe @ file:///tmp/build/80754af9/markupsafe_1594371495811/work
+marshmallow==3.7.1
+marshmallow-polyfield==5.9
+mccabe==0.6.1
+mistune @ file:///tmp/build/80754af9/mistune_1594373098390/work
+more-itertools @ file:///tmp/build/80754af9/more-itertools_1598884071673/work
+mpmath==1.1.0
+msgpack==0.6.1
+nbclient @ file:///tmp/build/80754af9/nbclient_1602783176460/work
+nbconvert @ file:///tmp/build/80754af9/nbconvert_1601914821128/work
+nbformat @ file:///tmp/build/80754af9/nbformat_1602783287752/work
+neovim-remote==2.2.0
+nest-asyncio @ file:///tmp/build/80754af9/nest-asyncio_1601499549014/work
+networkx==2.4
+nose==1.3.7
+notebook @ file:///tmp/build/80754af9/notebook_1601501580008/work
+ntlm-auth==1.5.0
+numpy==1.19.0
+packaging==20.4
+pandas==1.0.5
+pandocfilters==1.4.2
+pexpect @ file:///tmp/build/80754af9/pexpect_1594383317248/work
+pickleshare @ file:///tmp/build/80754af9/pickleshare_1594384075987/work
+pluggy==0.13.1
+ply==3.11
+prometheus-client==0.8.0
+prompt-toolkit==1.0.15
+psutil==5.6.3
+ptyprocess==0.6.0
+py @ file:///tmp/build/80754af9/py_1593446248552/work
+pybind11==2.5.0
+pycosat==0.6.3
+pycparser==2.19
+Pygments @ file:///tmp/build/80754af9/pygments_1604103097372/work
+pylint @ file:///tmp/build/80754af9/pylint_1598624038450/work
+pynvim==0.3.2
+pyOpenSSL==19.0.0
+pyparsing==2.4.7
+pyperclip==1.8.0
+pyrsistent @ file:///tmp/build/80754af9/pyrsistent_1600141707582/work
+pyscf==1.7.3
+PySocks==1.7.0
+pytest==0.0.0
+python-constraint==1.4.0
+python-dateutil==2.8.1
+pytz==2020.1
+pyzmq==19.0.2
+qiskit==0.19.6
+qiskit-aer==0.5.2
+qiskit-aqua==0.7.3
+qiskit-ibmq-provider==0.7.2
+qiskit-ignis==0.3.3
+qiskit-terra==0.14.2
+qtconsole @ file:///tmp/build/80754af9/qtconsole_1600870028330/work
+QtPy==1.9.0
+Quandl==3.5.1
+requests==2.22.0
+requests-ntlm==1.1.0
+retworkx==0.4.0
+ruamel-yaml==0.15.46
+scikit-learn==0.23.1
+scipy==1.5.1
+Send2Trash==1.5.0
+simplegeneric==0.8.1
+six==1.12.0
+sympy @ file:///tmp/build/80754af9/sympy_1597083144364/work
+terminado==0.9.1
+testpath==0.4.4
+threadpoolctl==2.1.0
+toml @ file:///tmp/build/80754af9/toml_1592853716807/work
+tornado==6.0.4
+tqdm==4.32.1
+traitlets @ file:///tmp/build/80754af9/traitlets_1602787416690/work
+typed-ast==1.4.1
+Unidecode==1.1.1
+urllib3==1.24.2
+wcwidth @ file:///tmp/build/80754af9/wcwidth_1593447189090/work
+webencodings==0.5.1
+websockets==7.0
+widgetsnbextension==3.5.1
+wrapt==1.11.2
+zipp @ file:///tmp/build/80754af9/zipp_1604001098328/work

From 456f93f4a037baadf1af526cba7a2b198f3fa5ea Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 16:46:18 +0000
Subject: [PATCH 09/32] remove python2.7 from .travis.yml

---
 .travis.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 992431d..49d06c1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: python
 python:
-  - "2.7"
   - "3.4"
   - "3.5"
   - "3.6"      # current default Python on Travis CI

From 3207e632d9a98366c6a96afea4eb1c0641451c4e Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 16:48:02 +0000
Subject: [PATCH 10/32] fix requiements

---
 requirements.txt | 131 +----------------------------------------------
 1 file changed, 1 insertion(+), 130 deletions(-)

diff --git a/requirements.txt b/requirements.txt
index 48ca5bb..b4dc734 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,130 +1 @@
-appdirs==1.4.4
-argon2-cffi @ file:///tmp/build/80754af9/argon2-cffi_1596828452693/work
-asn1crypto==0.24.0
-astroid @ file:///tmp/build/80754af9/astroid_1592495881661/work
-async-generator==1.10
-attrs @ file:///tmp/build/80754af9/attrs_1600298409949/work
-bleach @ file:///tmp/build/80754af9/bleach_1600439572647/work
-certifi==2020.6.20
-cffi==1.12.3
-chardet==3.0.4
-click==7.1.2
-conda==4.9.1
-conda-package-handling==1.3.11
-cryptography==2.7
-Cython==0.29.21
-daemonize==2.5.0
-decorator==4.4.2
-defusedxml==0.6.0
-dill==0.3.2
-distro==1.5.0
-dlx==1.0.4
-docplex==2.15.194
-entrypoints==0.3
-fastdtw==0.3.4
-fastjsonschema==2.14.4
-greenlet==0.4.15
-h5py==2.10.0
-idna==2.8
-importlib-metadata @ file:///tmp/build/80754af9/importlib-metadata_1602276842396/work
-inflection==0.5.0
-iniconfig @ file:///tmp/build/80754af9/iniconfig_1602780191262/work
-inkscape-figures==1.0.8
-inotify==0.2.10
-ipykernel @ file:///tmp/build/80754af9/ipykernel_1596206598566/work/dist/ipykernel-5.3.4-py3-none-any.whl
-ipython==5.8.0
-ipython-genutils==0.2.0
-ipywidgets @ file:///tmp/build/80754af9/ipywidgets_1601490159889/work
-isort @ file:///tmp/build/80754af9/isort_1602603989581/work
-Jinja2==2.11.2
-joblib==0.16.0
-jsonschema @ file:///tmp/build/80754af9/jsonschema_1602607155483/work
-jupyter==1.0.0
-jupyter-client @ file:///tmp/build/80754af9/jupyter_client_1601311786391/work
-jupyter-console==5.2.0
-jupyter-core==4.6.3
-jupyterlab-pygments @ file:///tmp/build/80754af9/jupyterlab_pygments_1601490720602/work
-lazy-object-proxy==1.4.3
-libarchive-c==2.8
-MarkupSafe @ file:///tmp/build/80754af9/markupsafe_1594371495811/work
-marshmallow==3.7.1
-marshmallow-polyfield==5.9
-mccabe==0.6.1
-mistune @ file:///tmp/build/80754af9/mistune_1594373098390/work
-more-itertools @ file:///tmp/build/80754af9/more-itertools_1598884071673/work
-mpmath==1.1.0
-msgpack==0.6.1
-nbclient @ file:///tmp/build/80754af9/nbclient_1602783176460/work
-nbconvert @ file:///tmp/build/80754af9/nbconvert_1601914821128/work
-nbformat @ file:///tmp/build/80754af9/nbformat_1602783287752/work
-neovim-remote==2.2.0
-nest-asyncio @ file:///tmp/build/80754af9/nest-asyncio_1601499549014/work
-networkx==2.4
-nose==1.3.7
-notebook @ file:///tmp/build/80754af9/notebook_1601501580008/work
-ntlm-auth==1.5.0
-numpy==1.19.0
-packaging==20.4
-pandas==1.0.5
-pandocfilters==1.4.2
-pexpect @ file:///tmp/build/80754af9/pexpect_1594383317248/work
-pickleshare @ file:///tmp/build/80754af9/pickleshare_1594384075987/work
-pluggy==0.13.1
-ply==3.11
-prometheus-client==0.8.0
-prompt-toolkit==1.0.15
-psutil==5.6.3
-ptyprocess==0.6.0
-py @ file:///tmp/build/80754af9/py_1593446248552/work
-pybind11==2.5.0
-pycosat==0.6.3
-pycparser==2.19
-Pygments @ file:///tmp/build/80754af9/pygments_1604103097372/work
-pylint @ file:///tmp/build/80754af9/pylint_1598624038450/work
-pynvim==0.3.2
-pyOpenSSL==19.0.0
-pyparsing==2.4.7
-pyperclip==1.8.0
-pyrsistent @ file:///tmp/build/80754af9/pyrsistent_1600141707582/work
-pyscf==1.7.3
-PySocks==1.7.0
-pytest==0.0.0
-python-constraint==1.4.0
-python-dateutil==2.8.1
-pytz==2020.1
-pyzmq==19.0.2
-qiskit==0.19.6
-qiskit-aer==0.5.2
-qiskit-aqua==0.7.3
-qiskit-ibmq-provider==0.7.2
-qiskit-ignis==0.3.3
-qiskit-terra==0.14.2
-qtconsole @ file:///tmp/build/80754af9/qtconsole_1600870028330/work
-QtPy==1.9.0
-Quandl==3.5.1
-requests==2.22.0
-requests-ntlm==1.1.0
-retworkx==0.4.0
-ruamel-yaml==0.15.46
-scikit-learn==0.23.1
-scipy==1.5.1
-Send2Trash==1.5.0
-simplegeneric==0.8.1
-six==1.12.0
-sympy @ file:///tmp/build/80754af9/sympy_1597083144364/work
-terminado==0.9.1
-testpath==0.4.4
-threadpoolctl==2.1.0
-toml @ file:///tmp/build/80754af9/toml_1592853716807/work
-tornado==6.0.4
-tqdm==4.32.1
-traitlets @ file:///tmp/build/80754af9/traitlets_1602787416690/work
-typed-ast==1.4.1
-Unidecode==1.1.1
-urllib3==1.24.2
-wcwidth @ file:///tmp/build/80754af9/wcwidth_1593447189090/work
-webencodings==0.5.1
-websockets==7.0
-widgetsnbextension==3.5.1
-wrapt==1.11.2
-zipp @ file:///tmp/build/80754af9/zipp_1604001098328/work
+pytest==0.0.0
\ No newline at end of file

From d28de57817f9d6b34d3c542b132aac9687482dcd Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 16:50:14 +0000
Subject: [PATCH 11/32] update pytest version in requirements.txt

---
 requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index b4dc734..f8a439f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-pytest==0.0.0
\ No newline at end of file
+pytest==6.1.1
\ No newline at end of file

From 2f3ce2bae36dc724bd9bc4a1c912c76ecb0c4817 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 16:52:29 +0000
Subject: [PATCH 12/32] update requirements

---
 requirements.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index f8a439f..406177b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-pytest==6.1.1
\ No newline at end of file
+pytest==4.6.11
\ No newline at end of file

From b6dc388d12264b3aff8493fabaffb8b7b8d01d80 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 22:22:45 +0000
Subject: [PATCH 13/32] fix bugs

---
 week05-testing/times.py | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/week05-testing/times.py b/week05-testing/times.py
index d57f401..dffcf1e 100644
--- a/week05-testing/times.py
+++ b/week05-testing/times.py
@@ -4,6 +4,10 @@
 def time_range(start_time, end_time, number_of_intervals=1, gap_between_intervals_s=0):
     start_time_s = datetime.datetime.strptime(start_time, "%Y-%m-%d %H:%M:%S")
     end_time_s = datetime.datetime.strptime(end_time, "%Y-%m-%d %H:%M:%S")
+
+    if start_time >= end_time:
+        raise ValueError("End time should be later than Start time.")
+
     d = (end_time_s - start_time_s).total_seconds() / number_of_intervals + gap_between_intervals_s * (1 / number_of_intervals - 1)
     sec_range = [(start_time_s + datetime.timedelta(seconds=i * d + i * gap_between_intervals_s),
                   start_time_s + datetime.timedelta(seconds=(i + 1) * d + i * gap_between_intervals_s))
@@ -15,9 +19,16 @@ def compute_overlap_time(range1, range2):
     overlap_time = []
     for start1, end1 in range1:
         for start2, end2 in range2:
-            low = max(start1, start2)
-            high = min(end1, end2)
-            overlap_time.append((low, high))
+            low = None
+            high = None
+            if start1 < start2 < end1:
+                low = start2
+                high = min(end1, end2)
+            elif start2 < start1 < end2:
+                low = start1
+                high = min(end1, end2)
+            if low != None:
+                overlap_time.append((low, high))
     return overlap_time
 
 if __name__ == "__main__":

From 3c4ee5e08ebfe47f68bf913ce6872376e277a659 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 22:24:35 +0000
Subject: [PATCH 14/32] empty requirements.txt

---
 requirements.txt | 1 -
 1 file changed, 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index 406177b..e69de29 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +0,0 @@
-pytest==4.6.11
\ No newline at end of file

From d4e8023824963e1a03d131f23f2c6c08d2061967 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 22:44:44 +0000
Subject: [PATCH 15/32] add travis CI status to README

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 0fa77b3..e639d1c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
 # rse-classwork-2020
-
+[![Build Status](https://travis-ci.com/kinianlo/rse-classwork-2020.svg?branch=main)](https://travis-ci.com/kinianlo/rse-classwork-2020)
 We will use this repository to follow up and review all the exercises done in class for the
 [MPHY0021: Research Software Engineering With Python course](http://github-pages.ucl.ac.uk/rsd-engineeringcourse/).

From 17e9cc9b26bddd0a43e3175136f0309404563d76 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 22:46:04 +0000
Subject: [PATCH 16/32] change status icon to week5 branch

---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index e639d1c..af66cc0 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 # rse-classwork-2020
-[![Build Status](https://travis-ci.com/kinianlo/rse-classwork-2020.svg?branch=main)](https://travis-ci.com/kinianlo/rse-classwork-2020)
+[![Build Status](https://travis-ci.com/kinianlo/rse-classwork-2020.svg?branch=week5testing)](https://travis-ci.com/kinianlo/rse-classwork-2020)
+
 We will use this repository to follow up and review all the exercises done in class for the
 [MPHY0021: Research Software Engineering With Python course](http://github-pages.ucl.ac.uk/rsd-engineeringcourse/).

From 0827a2405c51a7b3367c7dc71d1944f4e798500f Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 22:47:28 +0000
Subject: [PATCH 17/32] update .traivs.yml to include coverage

---
 .travis.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 49d06c1..f1958aa 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,4 +12,6 @@ install:
   - pip install -r requirements.txt
 # command to run tests
 script:
-  - pytest
\ No newline at end of file
+  - pytest
+after_success:
+  - codecov # submit coverage
\ No newline at end of file

From 296435f4b994393131b8a1774b22e9d5b3b36589 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 22:57:25 +0000
Subject: [PATCH 18/32] add codecov

---
 .cache/v/cache/lastfailed                     |   1 +
 .coverage                                     | Bin 0 -> 53248 bytes
 .travis.yml                                   |  25 +-
 .vscode/launch.json                           |  15 +
 coverage.xml                                  |  47 ++
 htmlcov/coverage_html.js                      | 589 ++++++++++++++++++
 htmlcov/index.html                            |  84 +++
 htmlcov/jquery.ba-throttle-debounce.min.js    |   9 +
 htmlcov/jquery.hotkeys.js                     |  99 +++
 htmlcov/jquery.isonscreen.js                  |  53 ++
 htmlcov/jquery.min.js                         |   5 +
 htmlcov/jquery.tablesorter.min.js             |   2 +
 htmlcov/keybd_closed.png                      | Bin 0 -> 112 bytes
 htmlcov/keybd_open.png                        | Bin 0 -> 112 bytes
 htmlcov/status.json                           |   1 +
 htmlcov/style.css                             | 291 +++++++++
 htmlcov/week05-testing_times_py.html          | 101 +++
 requirements_conda.txt                        | 179 ++++++
 .../test_times.cpython-27-PYTEST.pyc          | Bin 0 -> 1621 bytes
 .../test_times.cpython-37-pytest-6.1.1.pyc    | Bin 0 -> 2226 bytes
 .../__pycache__/times.cpython-37.pyc          | Bin 0 -> 1564 bytes
 .../__pycache__/times.cpython-38.pyc          | Bin 0 -> 1422 bytes
 week05-testing/times.pyc                      | Bin 0 -> 1787 bytes
 23 files changed, 1489 insertions(+), 12 deletions(-)
 create mode 100644 .cache/v/cache/lastfailed
 create mode 100644 .coverage
 create mode 100644 .vscode/launch.json
 create mode 100644 coverage.xml
 create mode 100644 htmlcov/coverage_html.js
 create mode 100644 htmlcov/index.html
 create mode 100644 htmlcov/jquery.ba-throttle-debounce.min.js
 create mode 100644 htmlcov/jquery.hotkeys.js
 create mode 100644 htmlcov/jquery.isonscreen.js
 create mode 100644 htmlcov/jquery.min.js
 create mode 100644 htmlcov/jquery.tablesorter.min.js
 create mode 100644 htmlcov/keybd_closed.png
 create mode 100644 htmlcov/keybd_open.png
 create mode 100644 htmlcov/status.json
 create mode 100644 htmlcov/style.css
 create mode 100644 htmlcov/week05-testing_times_py.html
 create mode 100644 requirements_conda.txt
 create mode 100644 week05-testing/__pycache__/test_times.cpython-27-PYTEST.pyc
 create mode 100644 week05-testing/__pycache__/test_times.cpython-37-pytest-6.1.1.pyc
 create mode 100644 week05-testing/__pycache__/times.cpython-37.pyc
 create mode 100644 week05-testing/__pycache__/times.cpython-38.pyc
 create mode 100644 week05-testing/times.pyc

diff --git a/.cache/v/cache/lastfailed b/.cache/v/cache/lastfailed
new file mode 100644
index 0000000..9e26dfe
--- /dev/null
+++ b/.cache/v/cache/lastfailed
@@ -0,0 +1 @@
+{}
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diff --git a/.coverage b/.coverage
new file mode 100644
index 0000000000000000000000000000000000000000..d47c334970970a6526d2b81c20cfec45930c6f21
GIT binary patch
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diff --git a/.travis.yml b/.travis.yml
index f1958aa..9731a0f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,17 +1,18 @@
 language: python
 python:
-  - "3.4"
-  - "3.5"
-  - "3.6"      # current default Python on Travis CI
-  - "3.7"
-  - "3.8"
-  - "3.8-dev"  # 3.8 development branch
-  - "nightly"  # nightly build
-# command to install dependencies
+  - 2.7
+  - 3.5
+  - 3.6
+before_install:
+  - python --version
+  - pip install -U pip
+  - pip install -U pytest
+  - pip install codecov
 install:
-  - pip install -r requirements.txt
-# command to run tests
-script:
-  - pytest
+  - pip install ".[test]" . # install package + test dependencies
+script: 
+  - pytest # run tests
+  - pytest --cov="week05-testing" --cov-report=term
+  - pytest week05-testing/
 after_success:
   - codecov # submit coverage
\ No newline at end of file
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..17e15f2
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,15 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Python: Current File",
+            "type": "python",
+            "request": "launch",
+            "program": "${file}",
+            "console": "integratedTerminal"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/coverage.xml b/coverage.xml
new file mode 100644
index 0000000..4a10c35
--- /dev/null
+++ b/coverage.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" ?>
+<coverage branch-rate="0" branches-covered="0" branches-valid="0" complexity="0" line-rate="0.8929" lines-covered="25" lines-valid="28" timestamp="1604962369942" version="5.3">
+	<!-- Generated by coverage.py: https://coverage.readthedocs.io -->
+	<!-- Based on https://raw.githubusercontent.com/cobertura/web/master/htdocs/xml/coverage-04.dtd -->
+	<sources>
+		<source>/home/kin/ucl/MRes/python_course/rse-classwork-2020</source>
+	</sources>
+	<packages>
+		<package branch-rate="0" complexity="0" line-rate="0.8929" name="week05-testing">
+			<classes>
+				<class branch-rate="0" complexity="0" filename="week05-testing/times.py" line-rate="0.8929" name="times.py">
+					<methods/>
+					<lines>
+						<line hits="1" number="1"/>
+						<line hits="1" number="4"/>
+						<line hits="1" number="5"/>
+						<line hits="1" number="6"/>
+						<line hits="1" number="8"/>
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+						<line hits="1" number="11"/>
+						<line hits="1" number="12"/>
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+						<line hits="1" number="18"/>
+						<line hits="1" number="19"/>
+						<line hits="1" number="20"/>
+						<line hits="1" number="21"/>
+						<line hits="1" number="22"/>
+						<line hits="1" number="23"/>
+						<line hits="1" number="24"/>
+						<line hits="1" number="25"/>
+						<line hits="1" number="26"/>
+						<line hits="1" number="27"/>
+						<line hits="1" number="28"/>
+						<line hits="1" number="29"/>
+						<line hits="1" number="30"/>
+						<line hits="1" number="31"/>
+						<line hits="1" number="32"/>
+						<line hits="1" number="34"/>
+						<line hits="0" number="35"/>
+						<line hits="0" number="36"/>
+						<line hits="0" number="37"/>
+					</lines>
+				</class>
+			</classes>
+		</package>
+	</packages>
+</coverage>
diff --git a/htmlcov/coverage_html.js b/htmlcov/coverage_html.js
new file mode 100644
index 0000000..3bf04bf
--- /dev/null
+++ b/htmlcov/coverage_html.js
@@ -0,0 +1,589 @@
+// Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
+// For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt
+
+// Coverage.py HTML report browser code.
+/*jslint browser: true, sloppy: true, vars: true, plusplus: true, maxerr: 50, indent: 4 */
+/*global coverage: true, document, window, $ */
+
+coverage = {};
+
+// Find all the elements with shortkey_* class, and use them to assign a shortcut key.
+coverage.assign_shortkeys = function () {
+    $("*[class*='shortkey_']").each(function (i, e) {
+        $.each($(e).attr("class").split(" "), function (i, c) {
+            if (/^shortkey_/.test(c)) {
+                $(document).bind('keydown', c.substr(9), function () {
+                    $(e).click();
+                });
+            }
+        });
+    });
+};
+
+// Create the events for the help panel.
+coverage.wire_up_help_panel = function () {
+    $("#keyboard_icon").click(function () {
+        // Show the help panel, and position it so the keyboard icon in the
+        // panel is in the same place as the keyboard icon in the header.
+        $(".help_panel").show();
+        var koff = $("#keyboard_icon").offset();
+        var poff = $("#panel_icon").position();
+        $(".help_panel").offset({
+            top: koff.top-poff.top,
+            left: koff.left-poff.left
+        });
+    });
+    $("#panel_icon").click(function () {
+        $(".help_panel").hide();
+    });
+};
+
+// Create the events for the filter box.
+coverage.wire_up_filter = function () {
+    // Cache elements.
+    var table = $("table.index");
+    var table_rows = table.find("tbody tr");
+    var table_row_names = table_rows.find("td.name a");
+    var no_rows = $("#no_rows");
+
+    // Create a duplicate table footer that we can modify with dynamic summed values.
+    var table_footer = $("table.index tfoot tr");
+    var table_dynamic_footer = table_footer.clone();
+    table_dynamic_footer.attr('class', 'total_dynamic hidden');
+    table_footer.after(table_dynamic_footer);
+
+    // Observe filter keyevents.
+    $("#filter").on("keyup change", $.debounce(150, function (event) {
+        var filter_value = $(this).val();
+
+        if (filter_value === "") {
+            // Filter box is empty, remove all filtering.
+            table_rows.removeClass("hidden");
+
+            // Show standard footer, hide dynamic footer.
+            table_footer.removeClass("hidden");
+            table_dynamic_footer.addClass("hidden");
+
+            // Hide placeholder, show table.
+            if (no_rows.length > 0) {
+                no_rows.hide();
+            }
+            table.show();
+
+        }
+        else {
+            // Filter table items by value.
+            var hidden = 0;
+            var shown = 0;
+
+            // Hide / show elements.
+            $.each(table_row_names, function () {
+                var element = $(this).parents("tr");
+
+                if ($(this).text().indexOf(filter_value) === -1) {
+                    // hide
+                    element.addClass("hidden");
+                    hidden++;
+                }
+                else {
+                    // show
+                    element.removeClass("hidden");
+                    shown++;
+                }
+            });
+
+            // Show placeholder if no rows will be displayed.
+            if (no_rows.length > 0) {
+                if (shown === 0) {
+                    // Show placeholder, hide table.
+                    no_rows.show();
+                    table.hide();
+                }
+                else {
+                    // Hide placeholder, show table.
+                    no_rows.hide();
+                    table.show();
+                }
+            }
+
+            // Manage dynamic header:
+            if (hidden > 0) {
+                // Calculate new dynamic sum values based on visible rows.
+                for (var column = 2; column < 20; column++) {
+                    // Calculate summed value.
+                    var cells = table_rows.find('td:nth-child(' + column + ')');
+                    if (!cells.length) {
+                        // No more columns...!
+                        break;
+                    }
+
+                    var sum = 0, numer = 0, denom = 0;
+                    $.each(cells.filter(':visible'), function () {
+                        var ratio = $(this).data("ratio");
+                        if (ratio) {
+                            var splitted = ratio.split(" ");
+                            numer += parseInt(splitted[0], 10);
+                            denom += parseInt(splitted[1], 10);
+                        }
+                        else {
+                            sum += parseInt(this.innerHTML, 10);
+                        }
+                    });
+
+                    // Get footer cell element.
+                    var footer_cell = table_dynamic_footer.find('td:nth-child(' + column + ')');
+
+                    // Set value into dynamic footer cell element.
+                    if (cells[0].innerHTML.indexOf('%') > -1) {
+                        // Percentage columns use the numerator and denominator,
+                        // and adapt to the number of decimal places.
+                        var match = /\.([0-9]+)/.exec(cells[0].innerHTML);
+                        var places = 0;
+                        if (match) {
+                            places = match[1].length;
+                        }
+                        var pct = numer * 100 / denom;
+                        footer_cell.text(pct.toFixed(places) + '%');
+                    }
+                    else {
+                        footer_cell.text(sum);
+                    }
+                }
+
+                // Hide standard footer, show dynamic footer.
+                table_footer.addClass("hidden");
+                table_dynamic_footer.removeClass("hidden");
+            }
+            else {
+                // Show standard footer, hide dynamic footer.
+                table_footer.removeClass("hidden");
+                table_dynamic_footer.addClass("hidden");
+            }
+        }
+    }));
+
+    // Trigger change event on setup, to force filter on page refresh
+    // (filter value may still be present).
+    $("#filter").trigger("change");
+};
+
+// Loaded on index.html
+coverage.index_ready = function ($) {
+    // Look for a localStorage item containing previous sort settings:
+    var sort_list = [];
+    var storage_name = "COVERAGE_INDEX_SORT";
+    var stored_list = undefined;
+    try {
+        stored_list = localStorage.getItem(storage_name);
+    } catch(err) {}
+
+    if (stored_list) {
+        sort_list = JSON.parse('[[' + stored_list + ']]');
+    }
+
+    // Create a new widget which exists only to save and restore
+    // the sort order:
+    $.tablesorter.addWidget({
+        id: "persistentSort",
+
+        // Format is called by the widget before displaying:
+        format: function (table) {
+            if (table.config.sortList.length === 0 && sort_list.length > 0) {
+                // This table hasn't been sorted before - we'll use
+                // our stored settings:
+                $(table).trigger('sorton', [sort_list]);
+            }
+            else {
+                // This is not the first load - something has
+                // already defined sorting so we'll just update
+                // our stored value to match:
+                sort_list = table.config.sortList;
+            }
+        }
+    });
+
+    // Configure our tablesorter to handle the variable number of
+    // columns produced depending on report options:
+    var headers = [];
+    var col_count = $("table.index > thead > tr > th").length;
+
+    headers[0] = { sorter: 'text' };
+    for (i = 1; i < col_count-1; i++) {
+        headers[i] = { sorter: 'digit' };
+    }
+    headers[col_count-1] = { sorter: 'percent' };
+
+    // Enable the table sorter:
+    $("table.index").tablesorter({
+        widgets: ['persistentSort'],
+        headers: headers
+    });
+
+    coverage.assign_shortkeys();
+    coverage.wire_up_help_panel();
+    coverage.wire_up_filter();
+
+    // Watch for page unload events so we can save the final sort settings:
+    $(window).unload(function () {
+        try {
+            localStorage.setItem(storage_name, sort_list.toString())
+        } catch(err) {}
+    });
+};
+
+// -- pyfile stuff --
+
+coverage.pyfile_ready = function ($) {
+    // If we're directed to a particular line number, highlight the line.
+    var frag = location.hash;
+    if (frag.length > 2 && frag[1] === 't') {
+        $(frag).addClass('highlight');
+        coverage.set_sel(parseInt(frag.substr(2), 10));
+    }
+    else {
+        coverage.set_sel(0);
+    }
+
+    $(document)
+        .bind('keydown', 'j', coverage.to_next_chunk_nicely)
+        .bind('keydown', 'k', coverage.to_prev_chunk_nicely)
+        .bind('keydown', '0', coverage.to_top)
+        .bind('keydown', '1', coverage.to_first_chunk)
+        ;
+
+    $(".button_toggle_run").click(function (evt) {coverage.toggle_lines(evt.target, "run");});
+    $(".button_toggle_exc").click(function (evt) {coverage.toggle_lines(evt.target, "exc");});
+    $(".button_toggle_mis").click(function (evt) {coverage.toggle_lines(evt.target, "mis");});
+    $(".button_toggle_par").click(function (evt) {coverage.toggle_lines(evt.target, "par");});
+
+    coverage.assign_shortkeys();
+    coverage.wire_up_help_panel();
+
+    coverage.init_scroll_markers();
+
+    // Rebuild scroll markers when the window height changes.
+    $(window).resize(coverage.build_scroll_markers);
+};
+
+coverage.toggle_lines = function (btn, cls) {
+    btn = $(btn);
+    var show = "show_"+cls;
+    if (btn.hasClass(show)) {
+        $("#source ." + cls).removeClass(show);
+        btn.removeClass(show);
+    }
+    else {
+        $("#source ." + cls).addClass(show);
+        btn.addClass(show);
+    }
+    coverage.build_scroll_markers();
+};
+
+// Return the nth line div.
+coverage.line_elt = function (n) {
+    return $("#t" + n);
+};
+
+// Return the nth line number div.
+coverage.num_elt = function (n) {
+    return $("#n" + n);
+};
+
+// Set the selection.  b and e are line numbers.
+coverage.set_sel = function (b, e) {
+    // The first line selected.
+    coverage.sel_begin = b;
+    // The next line not selected.
+    coverage.sel_end = (e === undefined) ? b+1 : e;
+};
+
+coverage.to_top = function () {
+    coverage.set_sel(0, 1);
+    coverage.scroll_window(0);
+};
+
+coverage.to_first_chunk = function () {
+    coverage.set_sel(0, 1);
+    coverage.to_next_chunk();
+};
+
+// Return a string indicating what kind of chunk this line belongs to,
+// or null if not a chunk.
+coverage.chunk_indicator = function (line_elt) {
+    var klass = line_elt.attr('class');
+    if (klass) {
+        var m = klass.match(/\bshow_\w+\b/);
+        if (m) {
+            return m[0];
+        }
+    }
+    return null;
+};
+
+coverage.to_next_chunk = function () {
+    var c = coverage;
+
+    // Find the start of the next colored chunk.
+    var probe = c.sel_end;
+    var chunk_indicator, probe_line;
+    while (true) {
+        probe_line = c.line_elt(probe);
+        if (probe_line.length === 0) {
+            return;
+        }
+        chunk_indicator = c.chunk_indicator(probe_line);
+        if (chunk_indicator) {
+            break;
+        }
+        probe++;
+    }
+
+    // There's a next chunk, `probe` points to it.
+    var begin = probe;
+
+    // Find the end of this chunk.
+    var next_indicator = chunk_indicator;
+    while (next_indicator === chunk_indicator) {
+        probe++;
+        probe_line = c.line_elt(probe);
+        next_indicator = c.chunk_indicator(probe_line);
+    }
+    c.set_sel(begin, probe);
+    c.show_selection();
+};
+
+coverage.to_prev_chunk = function () {
+    var c = coverage;
+
+    // Find the end of the prev colored chunk.
+    var probe = c.sel_begin-1;
+    var probe_line = c.line_elt(probe);
+    if (probe_line.length === 0) {
+        return;
+    }
+    var chunk_indicator = c.chunk_indicator(probe_line);
+    while (probe > 0 && !chunk_indicator) {
+        probe--;
+        probe_line = c.line_elt(probe);
+        if (probe_line.length === 0) {
+            return;
+        }
+        chunk_indicator = c.chunk_indicator(probe_line);
+    }
+
+    // There's a prev chunk, `probe` points to its last line.
+    var end = probe+1;
+
+    // Find the beginning of this chunk.
+    var prev_indicator = chunk_indicator;
+    while (prev_indicator === chunk_indicator) {
+        probe--;
+        probe_line = c.line_elt(probe);
+        prev_indicator = c.chunk_indicator(probe_line);
+    }
+    c.set_sel(probe+1, end);
+    c.show_selection();
+};
+
+// Return the line number of the line nearest pixel position pos
+coverage.line_at_pos = function (pos) {
+    var l1 = coverage.line_elt(1),
+        l2 = coverage.line_elt(2),
+        result;
+    if (l1.length && l2.length) {
+        var l1_top = l1.offset().top,
+            line_height = l2.offset().top - l1_top,
+            nlines = (pos - l1_top) / line_height;
+        if (nlines < 1) {
+            result = 1;
+        }
+        else {
+            result = Math.ceil(nlines);
+        }
+    }
+    else {
+        result = 1;
+    }
+    return result;
+};
+
+// Returns 0, 1, or 2: how many of the two ends of the selection are on
+// the screen right now?
+coverage.selection_ends_on_screen = function () {
+    if (coverage.sel_begin === 0) {
+        return 0;
+    }
+
+    var top = coverage.line_elt(coverage.sel_begin);
+    var next = coverage.line_elt(coverage.sel_end-1);
+
+    return (
+        (top.isOnScreen() ? 1 : 0) +
+        (next.isOnScreen() ? 1 : 0)
+    );
+};
+
+coverage.to_next_chunk_nicely = function () {
+    coverage.finish_scrolling();
+    if (coverage.selection_ends_on_screen() === 0) {
+        // The selection is entirely off the screen: select the top line on
+        // the screen.
+        var win = $(window);
+        coverage.select_line_or_chunk(coverage.line_at_pos(win.scrollTop()));
+    }
+    coverage.to_next_chunk();
+};
+
+coverage.to_prev_chunk_nicely = function () {
+    coverage.finish_scrolling();
+    if (coverage.selection_ends_on_screen() === 0) {
+        var win = $(window);
+        coverage.select_line_or_chunk(coverage.line_at_pos(win.scrollTop() + win.height()));
+    }
+    coverage.to_prev_chunk();
+};
+
+// Select line number lineno, or if it is in a colored chunk, select the
+// entire chunk
+coverage.select_line_or_chunk = function (lineno) {
+    var c = coverage;
+    var probe_line = c.line_elt(lineno);
+    if (probe_line.length === 0) {
+        return;
+    }
+    var the_indicator = c.chunk_indicator(probe_line);
+    if (the_indicator) {
+        // The line is in a highlighted chunk.
+        // Search backward for the first line.
+        var probe = lineno;
+        var indicator = the_indicator;
+        while (probe > 0 && indicator === the_indicator) {
+            probe--;
+            probe_line = c.line_elt(probe);
+            if (probe_line.length === 0) {
+                break;
+            }
+            indicator = c.chunk_indicator(probe_line);
+        }
+        var begin = probe + 1;
+
+        // Search forward for the last line.
+        probe = lineno;
+        indicator = the_indicator;
+        while (indicator === the_indicator) {
+            probe++;
+            probe_line = c.line_elt(probe);
+            indicator = c.chunk_indicator(probe_line);
+        }
+
+        coverage.set_sel(begin, probe);
+    }
+    else {
+        coverage.set_sel(lineno);
+    }
+};
+
+coverage.show_selection = function () {
+    var c = coverage;
+
+    // Highlight the lines in the chunk
+    $(".linenos .highlight").removeClass("highlight");
+    for (var probe = c.sel_begin; probe > 0 && probe < c.sel_end; probe++) {
+        c.num_elt(probe).addClass("highlight");
+    }
+
+    c.scroll_to_selection();
+};
+
+coverage.scroll_to_selection = function () {
+    // Scroll the page if the chunk isn't fully visible.
+    if (coverage.selection_ends_on_screen() < 2) {
+        // Need to move the page. The html,body trick makes it scroll in all
+        // browsers, got it from http://stackoverflow.com/questions/3042651
+        var top = coverage.line_elt(coverage.sel_begin);
+        var top_pos = parseInt(top.offset().top, 10);
+        coverage.scroll_window(top_pos - 30);
+    }
+};
+
+coverage.scroll_window = function (to_pos) {
+    $("html,body").animate({scrollTop: to_pos}, 200);
+};
+
+coverage.finish_scrolling = function () {
+    $("html,body").stop(true, true);
+};
+
+coverage.init_scroll_markers = function () {
+    var c = coverage;
+    // Init some variables
+    c.lines_len = $('#source p').length;
+    c.body_h = $('body').height();
+    c.header_h = $('div#header').height();
+
+    // Build html
+    c.build_scroll_markers();
+};
+
+coverage.build_scroll_markers = function () {
+    var c = coverage,
+        min_line_height = 3,
+        max_line_height = 10,
+        visible_window_h = $(window).height();
+
+    c.lines_to_mark = $('#source').find('p.show_run, p.show_mis, p.show_exc, p.show_exc, p.show_par');
+    $('#scroll_marker').remove();
+    // Don't build markers if the window has no scroll bar.
+    if (c.body_h <= visible_window_h) {
+        return;
+    }
+
+    $("body").append("<div id='scroll_marker'>&nbsp;</div>");
+    var scroll_marker = $('#scroll_marker'),
+        marker_scale = scroll_marker.height() / c.body_h,
+        line_height = scroll_marker.height() / c.lines_len;
+
+    // Line height must be between the extremes.
+    if (line_height > min_line_height) {
+        if (line_height > max_line_height) {
+            line_height = max_line_height;
+        }
+    }
+    else {
+        line_height = min_line_height;
+    }
+
+    var previous_line = -99,
+        last_mark,
+        last_top,
+        offsets = {};
+
+    // Calculate line offsets outside loop to prevent relayouts
+    c.lines_to_mark.each(function() {
+        offsets[this.id] = $(this).offset().top;
+    });
+    c.lines_to_mark.each(function () {
+        var id_name = $(this).attr('id'),
+            line_top = Math.round(offsets[id_name] * marker_scale),
+            line_number = parseInt(id_name.substring(1, id_name.length));
+
+        if (line_number === previous_line + 1) {
+            // If this solid missed block just make previous mark higher.
+            last_mark.css({
+                'height': line_top + line_height - last_top
+            });
+        }
+        else {
+            // Add colored line in scroll_marker block.
+            scroll_marker.append('<div id="m' + line_number + '" class="marker"></div>');
+            last_mark = $('#m' + line_number);
+            last_mark.css({
+                'height': line_height,
+                'top': line_top
+            });
+            last_top = line_top;
+        }
+
+        previous_line = line_number;
+    });
+};
diff --git a/htmlcov/index.html b/htmlcov/index.html
new file mode 100644
index 0000000..a1d5563
--- /dev/null
+++ b/htmlcov/index.html
@@ -0,0 +1,84 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <title>Coverage report</title>
+    <link rel="stylesheet" href="style.css" type="text/css">
+    <script type="text/javascript" src="jquery.min.js"></script>
+    <script type="text/javascript" src="jquery.ba-throttle-debounce.min.js"></script>
+    <script type="text/javascript" src="jquery.tablesorter.min.js"></script>
+    <script type="text/javascript" src="jquery.hotkeys.js"></script>
+    <script type="text/javascript" src="coverage_html.js"></script>
+    <script type="text/javascript">
+        jQuery(document).ready(coverage.index_ready);
+    </script>
+</head>
+<body class="indexfile">
+<div id="header">
+    <div class="content">
+        <h1>Coverage report:
+            <span class="pc_cov">89%</span>
+        </h1>
+        <img id="keyboard_icon" src="keybd_closed.png" alt="Show keyboard shortcuts" />
+        <form id="filter_container">
+            <input id="filter" type="text" value="" placeholder="filter..." />
+        </form>
+    </div>
+</div>
+<div class="help_panel">
+    <img id="panel_icon" src="keybd_open.png" alt="Hide keyboard shortcuts" />
+    <p class="legend">Hot-keys on this page</p>
+    <div>
+    <p class="keyhelp">
+        <span class="key">n</span>
+        <span class="key">s</span>
+        <span class="key">m</span>
+        <span class="key">x</span>
+        <span class="key">c</span> &nbsp; change column sorting
+    </p>
+    </div>
+</div>
+<div id="index">
+    <table class="index">
+        <thead>
+            <tr class="tablehead" title="Click to sort">
+                <th class="name left headerSortDown shortkey_n">Module</th>
+                <th class="shortkey_s">statements</th>
+                <th class="shortkey_m">missing</th>
+                <th class="shortkey_x">excluded</th>
+                <th class="right shortkey_c">coverage</th>
+            </tr>
+        </thead>
+        <tfoot>
+            <tr class="total">
+                <td class="name left">Total</td>
+                <td>28</td>
+                <td>3</td>
+                <td>0</td>
+                <td class="right" data-ratio="25 28">89%</td>
+            </tr>
+        </tfoot>
+        <tbody>
+            <tr class="file">
+                <td class="name left"><a href="week05-testing_times_py.html">week05-testing/times.py</a></td>
+                <td>28</td>
+                <td>3</td>
+                <td>0</td>
+                <td class="right" data-ratio="25 28">89%</td>
+            </tr>
+        </tbody>
+    </table>
+    <p id="no_rows">
+        No items found using the specified filter.
+    </p>
+</div>
+<div id="footer">
+    <div class="content">
+        <p>
+            <a class="nav" href="https://coverage.readthedocs.io">coverage.py v5.3</a>,
+            created at 2020-11-09 22:29 +0000
+        </p>
+    </div>
+</div>
+</body>
+</html>
diff --git a/htmlcov/jquery.ba-throttle-debounce.min.js b/htmlcov/jquery.ba-throttle-debounce.min.js
new file mode 100644
index 0000000..648fe5d
--- /dev/null
+++ b/htmlcov/jquery.ba-throttle-debounce.min.js
@@ -0,0 +1,9 @@
+/*
+ * jQuery throttle / debounce - v1.1 - 3/7/2010
+ * http://benalman.com/projects/jquery-throttle-debounce-plugin/
+ *
+ * Copyright (c) 2010 "Cowboy" Ben Alman
+ * Dual licensed under the MIT and GPL licenses.
+ * http://benalman.com/about/license/
+ */
+(function(b,c){var $=b.jQuery||b.Cowboy||(b.Cowboy={}),a;$.throttle=a=function(e,f,j,i){var h,d=0;if(typeof f!=="boolean"){i=j;j=f;f=c}function g(){var o=this,m=+new Date()-d,n=arguments;function l(){d=+new Date();j.apply(o,n)}function k(){h=c}if(i&&!h){l()}h&&clearTimeout(h);if(i===c&&m>e){l()}else{if(f!==true){h=setTimeout(i?k:l,i===c?e-m:e)}}}if($.guid){g.guid=j.guid=j.guid||$.guid++}return g};$.debounce=function(d,e,f){return f===c?a(d,e,false):a(d,f,e!==false)}})(this);
diff --git a/htmlcov/jquery.hotkeys.js b/htmlcov/jquery.hotkeys.js
new file mode 100644
index 0000000..09b21e0
--- /dev/null
+++ b/htmlcov/jquery.hotkeys.js
@@ -0,0 +1,99 @@
+/*
+ * jQuery Hotkeys Plugin
+ * Copyright 2010, John Resig
+ * Dual licensed under the MIT or GPL Version 2 licenses.
+ *
+ * Based upon the plugin by Tzury Bar Yochay:
+ * http://github.com/tzuryby/hotkeys
+ *
+ * Original idea by:
+ * Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
+*/
+
+(function(jQuery){
+
+	jQuery.hotkeys = {
+		version: "0.8",
+
+		specialKeys: {
+			8: "backspace", 9: "tab", 13: "return", 16: "shift", 17: "ctrl", 18: "alt", 19: "pause",
+			20: "capslock", 27: "esc", 32: "space", 33: "pageup", 34: "pagedown", 35: "end", 36: "home",
+			37: "left", 38: "up", 39: "right", 40: "down", 45: "insert", 46: "del",
+			96: "0", 97: "1", 98: "2", 99: "3", 100: "4", 101: "5", 102: "6", 103: "7",
+			104: "8", 105: "9", 106: "*", 107: "+", 109: "-", 110: ".", 111 : "/",
+			112: "f1", 113: "f2", 114: "f3", 115: "f4", 116: "f5", 117: "f6", 118: "f7", 119: "f8",
+			120: "f9", 121: "f10", 122: "f11", 123: "f12", 144: "numlock", 145: "scroll", 191: "/", 224: "meta"
+		},
+
+		shiftNums: {
+			"`": "~", "1": "!", "2": "@", "3": "#", "4": "$", "5": "%", "6": "^", "7": "&",
+			"8": "*", "9": "(", "0": ")", "-": "_", "=": "+", ";": ": ", "'": "\"", ",": "<",
+			".": ">",  "/": "?",  "\\": "|"
+		}
+	};
+
+	function keyHandler( handleObj ) {
+		// Only care when a possible input has been specified
+		if ( typeof handleObj.data !== "string" ) {
+			return;
+		}
+
+		var origHandler = handleObj.handler,
+			keys = handleObj.data.toLowerCase().split(" ");
+
+		handleObj.handler = function( event ) {
+			// Don't fire in text-accepting inputs that we didn't directly bind to
+			if ( this !== event.target && (/textarea|select/i.test( event.target.nodeName ) ||
+				 event.target.type === "text") ) {
+				return;
+			}
+
+			// Keypress represents characters, not special keys
+			var special = event.type !== "keypress" && jQuery.hotkeys.specialKeys[ event.which ],
+				character = String.fromCharCode( event.which ).toLowerCase(),
+				key, modif = "", possible = {};
+
+			// check combinations (alt|ctrl|shift+anything)
+			if ( event.altKey && special !== "alt" ) {
+				modif += "alt+";
+			}
+
+			if ( event.ctrlKey && special !== "ctrl" ) {
+				modif += "ctrl+";
+			}
+
+			// TODO: Need to make sure this works consistently across platforms
+			if ( event.metaKey && !event.ctrlKey && special !== "meta" ) {
+				modif += "meta+";
+			}
+
+			if ( event.shiftKey && special !== "shift" ) {
+				modif += "shift+";
+			}
+
+			if ( special ) {
+				possible[ modif + special ] = true;
+
+			} else {
+				possible[ modif + character ] = true;
+				possible[ modif + jQuery.hotkeys.shiftNums[ character ] ] = true;
+
+				// "$" can be triggered as "Shift+4" or "Shift+$" or just "$"
+				if ( modif === "shift+" ) {
+					possible[ jQuery.hotkeys.shiftNums[ character ] ] = true;
+				}
+			}
+
+			for ( var i = 0, l = keys.length; i < l; i++ ) {
+				if ( possible[ keys[i] ] ) {
+					return origHandler.apply( this, arguments );
+				}
+			}
+		};
+	}
+
+	jQuery.each([ "keydown", "keyup", "keypress" ], function() {
+		jQuery.event.special[ this ] = { add: keyHandler };
+	});
+
+})( jQuery );
diff --git a/htmlcov/jquery.isonscreen.js b/htmlcov/jquery.isonscreen.js
new file mode 100644
index 0000000..0182ebd
--- /dev/null
+++ b/htmlcov/jquery.isonscreen.js
@@ -0,0 +1,53 @@
+/* Copyright (c) 2010
+ * @author Laurence Wheway
+ * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
+ * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
+ *
+ * @version 1.2.0
+ */
+(function($) {
+	jQuery.extend({
+		isOnScreen: function(box, container) {
+			//ensure numbers come in as intgers (not strings) and remove 'px' is it's there
+			for(var i in box){box[i] = parseFloat(box[i])};
+			for(var i in container){container[i] = parseFloat(container[i])};
+
+			if(!container){
+				container = {
+					left: $(window).scrollLeft(),
+					top: $(window).scrollTop(),
+					width: $(window).width(),
+					height: $(window).height()
+				}
+			}
+
+			if(	box.left+box.width-container.left > 0 &&
+				box.left < container.width+container.left &&
+				box.top+box.height-container.top > 0 &&
+				box.top < container.height+container.top
+			) return true;
+			return false;
+		}
+	})
+
+
+	jQuery.fn.isOnScreen = function (container) {
+		for(var i in container){container[i] = parseFloat(container[i])};
+
+		if(!container){
+			container = {
+				left: $(window).scrollLeft(),
+				top: $(window).scrollTop(),
+				width: $(window).width(),
+				height: $(window).height()
+			}
+		}
+
+		if(	$(this).offset().left+$(this).width()-container.left > 0 &&
+			$(this).offset().left < container.width+container.left &&
+			$(this).offset().top+$(this).height()-container.top > 0 &&
+			$(this).offset().top < container.height+container.top
+		) return true;
+		return false;
+	}
+})(jQuery);
diff --git a/htmlcov/jquery.min.js b/htmlcov/jquery.min.js
new file mode 100644
index 0000000..3ed8b47
--- /dev/null
+++ b/htmlcov/jquery.min.js
@@ -0,0 +1,5 @@
+(function(global,factory){"use strict";if(typeof module==="object"&&typeof module.exports==="object"){module.exports=global.document?factory(global,true):function(w){if(!w.document){throw new Error("jQuery requires a window with a document")}return factory(w)}}else{factory(global)}})(typeof window!=="undefined"?window:this,function(window,noGlobal){var arr=[];var document=window.document;var getProto=Object.getPrototypeOf;var slice=arr.slice;var concat=arr.concat;var push=arr.push;var indexOf=arr.indexOf;var class2type={};var toString=class2type.toString;var hasOwn=class2type.hasOwnProperty;var fnToString=hasOwn.toString;var ObjectFunctionString=fnToString.call(Object);var support={};function DOMEval(code,doc){doc=doc||document;var script=doc.createElement("script");script.text=code;doc.head.appendChild(script).parentNode.removeChild(script)}var version="3.2.1",jQuery=function(selector,context){return new jQuery.fn.init(selector,context)},rtrim=/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,rmsPrefix=/^-ms-/,rdashAlpha=/-([a-z])/g,fcamelCase=function(all,letter){return letter.toUpperCase()};jQuery.fn=jQuery.prototype={jquery:version,constructor:jQuery,length:0,toArray:function(){return slice.call(this)},get:function(num){if(num==null){return slice.call(this)}return num<0?this[num+this.length]:this[num]},pushStack:function(elems){var ret=jQuery.merge(this.constructor(),elems);ret.prevObject=this;return ret},each:function(callback){return jQuery.each(this,callback)},map:function(callback){return this.pushStack(jQuery.map(this,function(elem,i){return callback.call(elem,i,elem)}))},slice:function(){return this.pushStack(slice.apply(this,arguments))},first:function(){return this.eq(0)},last:function(){return this.eq(-1)},eq:function(i){var len=this.length,j=+i+(i<0?len:0);return this.pushStack(j>=0&&j<len?[this[j]]:[])},end:function(){return 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i}}return-1},booleans="checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",whitespace="[\\x20\\t\\r\\n\\f]",identifier="(?:\\\\.|[\\w-]|[^\0-\\xa0])+",attributes="\\["+whitespace+"*("+identifier+")(?:"+whitespace+"*([*^$|!~]?=)"+whitespace+"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|("+identifier+"))|)"+whitespace+"*\\]",pseudos=":("+identifier+")(?:\\(("+"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|"+"((?:\\\\.|[^\\\\()[\\]]|"+attributes+")*)|"+".*"+")\\)|)",rwhitespace=new RegExp(whitespace+"+","g"),rtrim=new RegExp("^"+whitespace+"+|((?:^|[^\\\\])(?:\\\\.)*)"+whitespace+"+$","g"),rcomma=new RegExp("^"+whitespace+"*,"+whitespace+"*"),rcombinators=new RegExp("^"+whitespace+"*([>+~]|"+whitespace+")"+whitespace+"*"),rattributeQuotes=new RegExp("="+whitespace+"*([^\\]'\"]*?)"+whitespace+"*\\]","g"),rpseudo=new RegExp(pseudos),ridentifier=new RegExp("^"+identifier+"$"),matchExpr={ID:new 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m,i,elem,nid,match,groups,newSelector,newContext=context&&context.ownerDocument,nodeType=context?context.nodeType:9;results=results||[];if(typeof selector!=="string"||!selector||nodeType!==1&&nodeType!==9&&nodeType!==11){return results}if(!seed){if((context?context.ownerDocument||context:preferredDoc)!==document){setDocument(context)}context=context||document;if(documentIsHTML){if(nodeType!==11&&(match=rquickExpr.exec(selector))){if(m=match[1]){if(nodeType===9){if(elem=context.getElementById(m)){if(elem.id===m){results.push(elem);return results}}else{return results}}else{if(newContext&&(elem=newContext.getElementById(m))&&contains(context,elem)&&elem.id===m){results.push(elem);return results}}}else if(match[2]){push.apply(results,context.getElementsByTagName(selector));return results}else if((m=match[3])&&support.getElementsByClassName&&context.getElementsByClassName){push.apply(results,context.getElementsByClassName(m));return results}}if(support.qsa&&!compilerCache[selector+" "]&&(!rbuggyQSA||!rbuggyQSA.test(selector))){if(nodeType!==1){newContext=context;newSelector=selector}else if(context.nodeName.toLowerCase()!=="object"){if(nid=context.getAttribute("id")){nid=nid.replace(rcssescape,fcssescape)}else{context.setAttribute("id",nid=expando)}groups=tokenize(selector);i=groups.length;while(i--){groups[i]="#"+nid+" "+toSelector(groups[i])}newSelector=groups.join(",");newContext=rsibling.test(selector)&&testContext(context.parentNode)||context}if(newSelector){try{push.apply(results,newContext.querySelectorAll(newSelector));return results}catch(qsaError){}finally{if(nid===expando){context.removeAttribute("id")}}}}}}return select(selector.replace(rtrim,"$1"),context,results,seed)}function createCache(){var keys=[];function cache(key,value){if(keys.push(key+" ")>Expr.cacheLength){delete cache[keys.shift()]}return cache[key+" "]=value}return cache}function markFunction(fn){fn[expando]=true;return fn}function assert(fn){var el=document.createElement("fieldset");try{return!!fn(el)}catch(e){return false}finally{if(el.parentNode){el.parentNode.removeChild(el)}el=null}}function addHandle(attrs,handler){var arr=attrs.split("|"),i=arr.length;while(i--){Expr.attrHandle[arr[i]]=handler}}function siblingCheck(a,b){var cur=b&&a,diff=cur&&a.nodeType===1&&b.nodeType===1&&a.sourceIndex-b.sourceIndex;if(diff){return diff}if(cur){while(cur=cur.nextSibling){if(cur===b){return-1}}}return a?1:-1}function createInputPseudo(type){return function(elem){var name=elem.nodeName.toLowerCase();return name==="input"&&elem.type===type}}function createButtonPseudo(type){return function(elem){var name=elem.nodeName.toLowerCase();return(name==="input"||name==="button")&&elem.type===type}}function createDisabledPseudo(disabled){return function(elem){if("form"in elem){if(elem.parentNode&&elem.disabled===false){if("label"in elem){if("label"in elem.parentNode){return elem.parentNode.disabled===disabled}else{return elem.disabled===disabled}}return elem.isDisabled===disabled||elem.isDisabled!==!disabled&&disabledAncestor(elem)===disabled}return elem.disabled===disabled}else if("label"in elem){return elem.disabled===disabled}return false}}function createPositionalPseudo(fn){return markFunction(function(argument){argument=+argument;return markFunction(function(seed,matches){var j,matchIndexes=fn([],seed.length,argument),i=matchIndexes.length;while(i--){if(seed[j=matchIndexes[i]]){seed[j]=!(matches[j]=seed[j])}}})})}function testContext(context){return context&&typeof context.getElementsByTagName!=="undefined"&&context}support=Sizzle.support={};isXML=Sizzle.isXML=function(elem){var documentElement=elem&&(elem.ownerDocument||elem).documentElement;return documentElement?documentElement.nodeName!=="HTML":false};setDocument=Sizzle.setDocument=function(node){var hasCompare,subWindow,doc=node?node.ownerDocument||node:preferredDoc;if(doc===document||doc.nodeType!==9||!doc.documentElement){return document}document=doc;docElem=document.documentElement;documentIsHTML=!isXML(document);if(preferredDoc!==document&&(subWindow=document.defaultView)&&subWindow.top!==subWindow){if(subWindow.addEventListener){subWindow.addEventListener("unload",unloadHandler,false)}else if(subWindow.attachEvent){subWindow.attachEvent("onunload",unloadHandler)}}support.attributes=assert(function(el){el.className="i";return!el.getAttribute("className")});support.getElementsByTagName=assert(function(el){el.appendChild(document.createComment(""));return!el.getElementsByTagName("*").length});support.getElementsByClassName=rnative.test(document.getElementsByClassName);support.getById=assert(function(el){docElem.appendChild(el).id=expando;return!document.getElementsByName||!document.getElementsByName(expando).length});if(support.getById){Expr.filter["ID"]=function(id){var attrId=id.replace(runescape,funescape);return function(elem){return elem.getAttribute("id")===attrId}};Expr.find["ID"]=function(id,context){if(typeof context.getElementById!=="undefined"&&documentIsHTML){var elem=context.getElementById(id);return elem?[elem]:[]}}}else{Expr.filter["ID"]=function(id){var attrId=id.replace(runescape,funescape);return function(elem){var node=typeof elem.getAttributeNode!=="undefined"&&elem.getAttributeNode("id");return node&&node.value===attrId}};Expr.find["ID"]=function(id,context){if(typeof context.getElementById!=="undefined"&&documentIsHTML){var node,i,elems,elem=context.getElementById(id);if(elem){node=elem.getAttributeNode("id");if(node&&node.value===id){return[elem]}elems=context.getElementsByName(id);i=0;while(elem=elems[i++]){node=elem.getAttributeNode("id");if(node&&node.value===id){return[elem]}}}return[]}}}Expr.find["TAG"]=support.getElementsByTagName?function(tag,context){if(typeof context.getElementsByTagName!=="undefined"){return context.getElementsByTagName(tag)}else if(support.qsa){return context.querySelectorAll(tag)}}:function(tag,context){var elem,tmp=[],i=0,results=context.getElementsByTagName(tag);if(tag==="*"){while(elem=results[i++]){if(elem.nodeType===1){tmp.push(elem)}}return tmp}return results};Expr.find["CLASS"]=support.getElementsByClassName&&function(className,context){if(typeof context.getElementsByClassName!=="undefined"&&documentIsHTML){return context.getElementsByClassName(className)}};rbuggyMatches=[];rbuggyQSA=[];if(support.qsa=rnative.test(document.querySelectorAll)){assert(function(el){docElem.appendChild(el).innerHTML="<a id='"+expando+"'></a>"+"<select id='"+expando+"-\r\\' msallowcapture=''>"+"<option 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input=document.createElement("input");input.setAttribute("type","hidden");el.appendChild(input).setAttribute("name","D");if(el.querySelectorAll("[name=d]").length){rbuggyQSA.push("name"+whitespace+"*[*^$|!~]?=")}if(el.querySelectorAll(":enabled").length!==2){rbuggyQSA.push(":enabled",":disabled")}docElem.appendChild(el).disabled=true;if(el.querySelectorAll(":disabled").length!==2){rbuggyQSA.push(":enabled",":disabled")}el.querySelectorAll("*,:x");rbuggyQSA.push(",.*:")})}if(support.matchesSelector=rnative.test(matches=docElem.matches||docElem.webkitMatchesSelector||docElem.mozMatchesSelector||docElem.oMatchesSelector||docElem.msMatchesSelector)){assert(function(el){support.disconnectedMatch=matches.call(el,"*");matches.call(el,"[s!='']:x");rbuggyMatches.push("!=",pseudos)})}rbuggyQSA=rbuggyQSA.length&&new RegExp(rbuggyQSA.join("|"));rbuggyMatches=rbuggyMatches.length&&new RegExp(rbuggyMatches.join("|"));hasCompare=rnative.test(docElem.compareDocumentPosition);contains=hasCompare||rnative.test(docElem.contains)?function(a,b){var adown=a.nodeType===9?a.documentElement:a,bup=b&&b.parentNode;return a===bup||!!(bup&&bup.nodeType===1&&(adown.contains?adown.contains(bup):a.compareDocumentPosition&&a.compareDocumentPosition(bup)&16))}:function(a,b){if(b){while(b=b.parentNode){if(b===a){return true}}}return false};sortOrder=hasCompare?function(a,b){if(a===b){hasDuplicate=true;return 0}var compare=!a.compareDocumentPosition-!b.compareDocumentPosition;if(compare){return compare}compare=(a.ownerDocument||a)===(b.ownerDocument||b)?a.compareDocumentPosition(b):1;if(compare&1||!support.sortDetached&&b.compareDocumentPosition(a)===compare){if(a===document||a.ownerDocument===preferredDoc&&contains(preferredDoc,a)){return-1}if(b===document||b.ownerDocument===preferredDoc&&contains(preferredDoc,b)){return 1}return sortInput?indexOf(sortInput,a)-indexOf(sortInput,b):0}return compare&4?-1:1}:function(a,b){if(a===b){hasDuplicate=true;return 0}var cur,i=0,aup=a.parentNode,bup=b.parentNode,ap=[a],bp=[b];if(!aup||!bup){return a===document?-1:b===document?1:aup?-1:bup?1:sortInput?indexOf(sortInput,a)-indexOf(sortInput,b):0}else if(aup===bup){return siblingCheck(a,b)}cur=a;while(cur=cur.parentNode){ap.unshift(cur)}cur=b;while(cur=cur.parentNode){bp.unshift(cur)}while(ap[i]===bp[i]){i++}return i?siblingCheck(ap[i],bp[i]):ap[i]===preferredDoc?-1:bp[i]===preferredDoc?1:0};return document};Sizzle.matches=function(expr,elements){return Sizzle(expr,null,null,elements)};Sizzle.matchesSelector=function(elem,expr){if((elem.ownerDocument||elem)!==document){setDocument(elem)}expr=expr.replace(rattributeQuotes,"='$1']");if(support.matchesSelector&&documentIsHTML&&!compilerCache[expr+" "]&&(!rbuggyMatches||!rbuggyMatches.test(expr))&&(!rbuggyQSA||!rbuggyQSA.test(expr))){try{var ret=matches.call(elem,expr);if(ret||support.disconnectedMatch||elem.document&&elem.document.nodeType!==11){return ret}}catch(e){}}return Sizzle(expr,document,null,[elem]).length>0};Sizzle.contains=function(context,elem){if((context.ownerDocument||context)!==document){setDocument(context)}return contains(context,elem)};Sizzle.attr=function(elem,name){if((elem.ownerDocument||elem)!==document){setDocument(elem)}var fn=Expr.attrHandle[name.toLowerCase()],val=fn&&hasOwn.call(Expr.attrHandle,name.toLowerCase())?fn(elem,name,!documentIsHTML):undefined;return val!==undefined?val:support.attributes||!documentIsHTML?elem.getAttribute(name):(val=elem.getAttributeNode(name))&&val.specified?val.value:null};Sizzle.escape=function(sel){return(sel+"").replace(rcssescape,fcssescape)};Sizzle.error=function(msg){throw new Error("Syntax error, unrecognized expression: "+msg)};Sizzle.uniqueSort=function(results){var elem,duplicates=[],j=0,i=0;hasDuplicate=!support.detectDuplicates;sortInput=!support.sortStable&&results.slice(0);results.sort(sortOrder);if(hasDuplicate){while(elem=results[i++]){if(elem===results[i]){j=duplicates.push(i)}}while(j--){results.splice(duplicates[j],1)}}sortInput=null;return results};getText=Sizzle.getText=function(elem){var node,ret="",i=0,nodeType=elem.nodeType;if(!nodeType){while(node=elem[i++]){ret+=getText(node)}}else if(nodeType===1||nodeType===9||nodeType===11){if(typeof elem.textContent==="string"){return elem.textContent}else{for(elem=elem.firstChild;elem;elem=elem.nextSibling){ret+=getText(elem)}}}else if(nodeType===3||nodeType===4){return elem.nodeValue}return ret};Expr=Sizzle.selectors={cacheLength:50,createPseudo:markFunction,match:matchExpr,attrHandle:{},find:{},relative:{">":{dir:"parentNode",first:true}," ":{dir:"parentNode"},"+":{dir:"previousSibling",first:true},"~":{dir:"previousSibling"}},preFilter:{ATTR:function(match){match[1]=match[1].replace(runescape,funescape);match[3]=(match[3]||match[4]||match[5]||"").replace(runescape,funescape);if(match[2]==="~="){match[3]=" "+match[3]+" "}return match.slice(0,4)},CHILD:function(match){match[1]=match[1].toLowerCase();if(match[1].slice(0,3)==="nth"){if(!match[3]){Sizzle.error(match[0])}match[4]=+(match[4]?match[5]+(match[6]||1):2*(match[3]==="even"||match[3]==="odd"));match[5]=+(match[7]+match[8]||match[3]==="odd")}else if(match[3]){Sizzle.error(match[0])}return match},PSEUDO:function(match){var excess,unquoted=!match[6]&&match[2];if(matchExpr["CHILD"].test(match[0])){return null}if(match[3]){match[2]=match[4]||match[5]||""}else if(unquoted&&rpseudo.test(unquoted)&&(excess=tokenize(unquoted,true))&&(excess=unquoted.indexOf(")",unquoted.length-excess)-unquoted.length)){match[0]=match[0].slice(0,excess);match[2]=unquoted.slice(0,excess)}return match.slice(0,3)}},filter:{TAG:function(nodeNameSelector){var nodeName=nodeNameSelector.replace(runescape,funescape).toLowerCase();return nodeNameSelector==="*"?function(){return true}:function(elem){return elem.nodeName&&elem.nodeName.toLowerCase()===nodeName}},CLASS:function(className){var pattern=classCache[className+" "];return pattern||(pattern=new RegExp("(^|"+whitespace+")"+className+"("+whitespace+"|$)"))&&classCache(className,function(elem){return pattern.test(typeof elem.className==="string"&&elem.className||typeof elem.getAttribute!=="undefined"&&elem.getAttribute("class")||"")})},ATTR:function(name,operator,check){return function(elem){var result=Sizzle.attr(elem,name);if(result==null){return operator==="!="}if(!operator){return true}result+="";return operator==="="?result===check:operator==="!="?result!==check:operator==="^="?check&&result.indexOf(check)===0:operator==="*="?check&&result.indexOf(check)>-1:operator==="$="?check&&result.slice(-check.length)===check:operator==="~="?(" "+result.replace(rwhitespace," ")+" ").indexOf(check)>-1:operator==="|="?result===check||result.slice(0,check.length+1)===check+"-":false}},CHILD:function(type,what,argument,first,last){var simple=type.slice(0,3)!=="nth",forward=type.slice(-4)!=="last",ofType=what==="of-type";return first===1&&last===0?function(elem){return!!elem.parentNode}:function(elem,context,xml){var cache,uniqueCache,outerCache,node,nodeIndex,start,dir=simple!==forward?"nextSibling":"previousSibling",parent=elem.parentNode,name=ofType&&elem.nodeName.toLowerCase(),useCache=!xml&&!ofType,diff=false;if(parent){if(simple){while(dir){node=elem;while(node=node[dir]){if(ofType?node.nodeName.toLowerCase()===name:node.nodeType===1){return false}}start=dir=type==="only"&&!start&&"nextSibling"}return true}start=[forward?parent.firstChild:parent.lastChild];if(forward&&useCache){node=parent;outerCache=node[expando]||(node[expando]={});uniqueCache=outerCache[node.uniqueID]||(outerCache[node.uniqueID]={});cache=uniqueCache[type]||[];nodeIndex=cache[0]===dirruns&&cache[1];diff=nodeIndex&&cache[2];node=nodeIndex&&parent.childNodes[nodeIndex];while(node=++nodeIndex&&node&&node[dir]||(diff=nodeIndex=0)||start.pop()){if(node.nodeType===1&&++diff&&node===elem){uniqueCache[type]=[dirruns,nodeIndex,diff];break}}}else{if(useCache){node=elem;outerCache=node[expando]||(node[expando]={});uniqueCache=outerCache[node.uniqueID]||(outerCache[node.uniqueID]={});cache=uniqueCache[type]||[];nodeIndex=cache[0]===dirruns&&cache[1];diff=nodeIndex}if(diff===false){while(node=++nodeIndex&&node&&node[dir]||(diff=nodeIndex=0)||start.pop()){if((ofType?node.nodeName.toLowerCase()===name:node.nodeType===1)&&++diff){if(useCache){outerCache=node[expando]||(node[expando]={});uniqueCache=outerCache[node.uniqueID]||(outerCache[node.uniqueID]={});uniqueCache[type]=[dirruns,diff]}if(node===elem){break}}}}}diff-=last;return diff===first||diff%first===0&&diff/first>=0}}},PSEUDO:function(pseudo,argument){var args,fn=Expr.pseudos[pseudo]||Expr.setFilters[pseudo.toLowerCase()]||Sizzle.error("unsupported pseudo: "+pseudo);if(fn[expando]){return fn(argument)}if(fn.length>1){args=[pseudo,pseudo,"",argument];return Expr.setFilters.hasOwnProperty(pseudo.toLowerCase())?markFunction(function(seed,matches){var idx,matched=fn(seed,argument),i=matched.length;while(i--){idx=indexOf(seed,matched[i]);seed[idx]=!(matches[idx]=matched[i])}}):function(elem){return fn(elem,0,args)}}return fn}},pseudos:{not:markFunction(function(selector){var input=[],results=[],matcher=compile(selector.replace(rtrim,"$1"));return matcher[expando]?markFunction(function(seed,matches,context,xml){var elem,unmatched=matcher(seed,null,xml,[]),i=seed.length;while(i--){if(elem=unmatched[i]){seed[i]=!(matches[i]=elem)}}}):function(elem,context,xml){input[0]=elem;matcher(input,null,xml,results);input[0]=null;return!results.pop()}}),has:markFunction(function(selector){return function(elem){return Sizzle(selector,elem).length>0}}),contains:markFunction(function(text){text=text.replace(runescape,funescape);return function(elem){return(elem.textContent||elem.innerText||getText(elem)).indexOf(text)>-1}}),lang:markFunction(function(lang){if(!ridentifier.test(lang||"")){Sizzle.error("unsupported lang: "+lang)}lang=lang.replace(runescape,funescape).toLowerCase();return function(elem){var elemLang;do{if(elemLang=documentIsHTML?elem.lang:elem.getAttribute("xml:lang")||elem.getAttribute("lang")){elemLang=elemLang.toLowerCase();return elemLang===lang||elemLang.indexOf(lang+"-")===0}}while((elem=elem.parentNode)&&elem.nodeType===1);return false}}),target:function(elem){var hash=window.location&&window.location.hash;return hash&&hash.slice(1)===elem.id},root:function(elem){return elem===docElem},focus:function(elem){return elem===document.activeElement&&(!document.hasFocus||document.hasFocus())&&!!(elem.type||elem.href||~elem.tabIndex)},enabled:createDisabledPseudo(false),disabled:createDisabledPseudo(true),checked:function(elem){var nodeName=elem.nodeName.toLowerCase();return nodeName==="input"&&!!elem.checked||nodeName==="option"&&!!elem.selected},selected:function(elem){if(elem.parentNode){elem.parentNode.selectedIndex}return elem.selected===true},empty:function(elem){for(elem=elem.firstChild;elem;elem=elem.nextSibling){if(elem.nodeType<6){return false}}return true},parent:function(elem){return!Expr.pseudos["empty"](elem)},header:function(elem){return rheader.test(elem.nodeName)},input:function(elem){return rinputs.test(elem.nodeName)},button:function(elem){var name=elem.nodeName.toLowerCase();return name==="input"&&elem.type==="button"||name==="button"},text:function(elem){var attr;return elem.nodeName.toLowerCase()==="input"&&elem.type==="text"&&((attr=elem.getAttribute("type"))==null||attr.toLowerCase()==="text")},first:createPositionalPseudo(function(){return[0]}),last:createPositionalPseudo(function(matchIndexes,length){return[length-1]}),eq:createPositionalPseudo(function(matchIndexes,length,argument){return[argument<0?argument+length:argument]}),even:createPositionalPseudo(function(matchIndexes,length){var i=0;for(;i<length;i+=2){matchIndexes.push(i)}return matchIndexes}),odd:createPositionalPseudo(function(matchIndexes,length){var i=1;for(;i<length;i+=2){matchIndexes.push(i)}return matchIndexes}),lt:createPositionalPseudo(function(matchIndexes,length,argument){var i=argument<0?argument+length:argument;for(;--i>=0;){matchIndexes.push(i)}return matchIndexes}),gt:createPositionalPseudo(function(matchIndexes,length,argument){var i=argument<0?argument+length:argument;for(;++i<length;){matchIndexes.push(i)}return matchIndexes})}};Expr.pseudos["nth"]=Expr.pseudos["eq"];for(i in{radio:true,checkbox:true,file:true,password:true,image:true}){Expr.pseudos[i]=createInputPseudo(i)}for(i in{submit:true,reset:true}){Expr.pseudos[i]=createButtonPseudo(i)}function setFilters(){}setFilters.prototype=Expr.filters=Expr.pseudos;Expr.setFilters=new setFilters;tokenize=Sizzle.tokenize=function(selector,parseOnly){var matched,match,tokens,type,soFar,groups,preFilters,cached=tokenCache[selector+" "];if(cached){return parseOnly?0:cached.slice(0)}soFar=selector;groups=[];preFilters=Expr.preFilter;while(soFar){if(!matched||(match=rcomma.exec(soFar))){if(match){soFar=soFar.slice(match[0].length)||soFar}groups.push(tokens=[])}matched=false;if(match=rcombinators.exec(soFar)){matched=match.shift();tokens.push({value:matched,type:match[0].replace(rtrim," ")});soFar=soFar.slice(matched.length)}for(type in Expr.filter){if((match=matchExpr[type].exec(soFar))&&(!preFilters[type]||(match=preFilters[type](match)))){matched=match.shift();tokens.push({value:matched,type:type,matches:match});soFar=soFar.slice(matched.length)}}if(!matched){break}}return parseOnly?soFar.length:soFar?Sizzle.error(selector):tokenCache(selector,groups).slice(0)};function toSelector(tokens){var i=0,len=tokens.length,selector="";for(;i<len;i++){selector+=tokens[i].value}return selector}function addCombinator(matcher,combinator,base){var dir=combinator.dir,skip=combinator.next,key=skip||dir,checkNonElements=base&&key==="parentNode",doneName=done++;return combinator.first?function(elem,context,xml){while(elem=elem[dir]){if(elem.nodeType===1||checkNonElements){return matcher(elem,context,xml)}}return false}:function(elem,context,xml){var oldCache,uniqueCache,outerCache,newCache=[dirruns,doneName];if(xml){while(elem=elem[dir]){if(elem.nodeType===1||checkNonElements){if(matcher(elem,context,xml)){return true}}}}else{while(elem=elem[dir]){if(elem.nodeType===1||checkNonElements){outerCache=elem[expando]||(elem[expando]={});uniqueCache=outerCache[elem.uniqueID]||(outerCache[elem.uniqueID]={});if(skip&&skip===elem.nodeName.toLowerCase()){elem=elem[dir]||elem}else if((oldCache=uniqueCache[key])&&oldCache[0]===dirruns&&oldCache[1]===doneName){return newCache[2]=oldCache[2]}else{uniqueCache[key]=newCache;if(newCache[2]=matcher(elem,context,xml)){return true}}}}}return false}}function elementMatcher(matchers){return matchers.length>1?function(elem,context,xml){var i=matchers.length;while(i--){if(!matchers[i](elem,context,xml)){return false}}return true}:matchers[0]}function multipleContexts(selector,contexts,results){var i=0,len=contexts.length;for(;i<len;i++){Sizzle(selector,contexts[i],results)}return results}function condense(unmatched,map,filter,context,xml){var elem,newUnmatched=[],i=0,len=unmatched.length,mapped=map!=null;for(;i<len;i++){if(elem=unmatched[i]){if(!filter||filter(elem,context,xml)){newUnmatched.push(elem);if(mapped){map.push(i)}}}}return newUnmatched}function setMatcher(preFilter,selector,matcher,postFilter,postFinder,postSelector){if(postFilter&&!postFilter[expando]){postFilter=setMatcher(postFilter)}if(postFinder&&!postFinder[expando]){postFinder=setMatcher(postFinder,postSelector)}return markFunction(function(seed,results,context,xml){
+var temp,i,elem,preMap=[],postMap=[],preexisting=results.length,elems=seed||multipleContexts(selector||"*",context.nodeType?[context]:context,[]),matcherIn=preFilter&&(seed||!selector)?condense(elems,preMap,preFilter,context,xml):elems,matcherOut=matcher?postFinder||(seed?preFilter:preexisting||postFilter)?[]:results:matcherIn;if(matcher){matcher(matcherIn,matcherOut,context,xml)}if(postFilter){temp=condense(matcherOut,postMap);postFilter(temp,[],context,xml);i=temp.length;while(i--){if(elem=temp[i]){matcherOut[postMap[i]]=!(matcherIn[postMap[i]]=elem)}}}if(seed){if(postFinder||preFilter){if(postFinder){temp=[];i=matcherOut.length;while(i--){if(elem=matcherOut[i]){temp.push(matcherIn[i]=elem)}}postFinder(null,matcherOut=[],temp,xml)}i=matcherOut.length;while(i--){if((elem=matcherOut[i])&&(temp=postFinder?indexOf(seed,elem):preMap[i])>-1){seed[temp]=!(results[temp]=elem)}}}}else{matcherOut=condense(matcherOut===results?matcherOut.splice(preexisting,matcherOut.length):matcherOut);if(postFinder){postFinder(null,results,matcherOut,xml)}else{push.apply(results,matcherOut)}}})}function matcherFromTokens(tokens){var checkContext,matcher,j,len=tokens.length,leadingRelative=Expr.relative[tokens[0].type],implicitRelative=leadingRelative||Expr.relative[" "],i=leadingRelative?1:0,matchContext=addCombinator(function(elem){return elem===checkContext},implicitRelative,true),matchAnyContext=addCombinator(function(elem){return indexOf(checkContext,elem)>-1},implicitRelative,true),matchers=[function(elem,context,xml){var ret=!leadingRelative&&(xml||context!==outermostContext)||((checkContext=context).nodeType?matchContext(elem,context,xml):matchAnyContext(elem,context,xml));checkContext=null;return ret}];for(;i<len;i++){if(matcher=Expr.relative[tokens[i].type]){matchers=[addCombinator(elementMatcher(matchers),matcher)]}else{matcher=Expr.filter[tokens[i].type].apply(null,tokens[i].matches);if(matcher[expando]){j=++i;for(;j<len;j++){if(Expr.relative[tokens[j].type]){break}}return setMatcher(i>1&&elementMatcher(matchers),i>1&&toSelector(tokens.slice(0,i-1).concat({value:tokens[i-2].type===" "?"*":""})).replace(rtrim,"$1"),matcher,i<j&&matcherFromTokens(tokens.slice(i,j)),j<len&&matcherFromTokens(tokens=tokens.slice(j)),j<len&&toSelector(tokens))}matchers.push(matcher)}}return elementMatcher(matchers)}function matcherFromGroupMatchers(elementMatchers,setMatchers){var bySet=setMatchers.length>0,byElement=elementMatchers.length>0,superMatcher=function(seed,context,xml,results,outermost){var elem,j,matcher,matchedCount=0,i="0",unmatched=seed&&[],setMatched=[],contextBackup=outermostContext,elems=seed||byElement&&Expr.find["TAG"]("*",outermost),dirrunsUnique=dirruns+=contextBackup==null?1:Math.random()||.1,len=elems.length;if(outermost){outermostContext=context===document||context||outermost}for(;i!==len&&(elem=elems[i])!=null;i++){if(byElement&&elem){j=0;if(!context&&elem.ownerDocument!==document){setDocument(elem);xml=!documentIsHTML}while(matcher=elementMatchers[j++]){if(matcher(elem,context||document,xml)){results.push(elem);break}}if(outermost){dirruns=dirrunsUnique}}if(bySet){if(elem=!matcher&&elem){matchedCount--}if(seed){unmatched.push(elem)}}}matchedCount+=i;if(bySet&&i!==matchedCount){j=0;while(matcher=setMatchers[j++]){matcher(unmatched,setMatched,context,xml)}if(seed){if(matchedCount>0){while(i--){if(!(unmatched[i]||setMatched[i])){setMatched[i]=pop.call(results)}}}setMatched=condense(setMatched)}push.apply(results,setMatched);if(outermost&&!seed&&setMatched.length>0&&matchedCount+setMatchers.length>1){Sizzle.uniqueSort(results)}}if(outermost){dirruns=dirrunsUnique;outermostContext=contextBackup}return unmatched};return bySet?markFunction(superMatcher):superMatcher}compile=Sizzle.compile=function(selector,match){var i,setMatchers=[],elementMatchers=[],cached=compilerCache[selector+" "];if(!cached){if(!match){match=tokenize(selector)}i=match.length;while(i--){cached=matcherFromTokens(match[i]);if(cached[expando]){setMatchers.push(cached)}else{elementMatchers.push(cached)}}cached=compilerCache(selector,matcherFromGroupMatchers(elementMatchers,setMatchers));cached.selector=selector}return cached};select=Sizzle.select=function(selector,context,results,seed){var i,tokens,token,type,find,compiled=typeof selector==="function"&&selector,match=!seed&&tokenize(selector=compiled.selector||selector);results=results||[];if(match.length===1){tokens=match[0]=match[0].slice(0);if(tokens.length>2&&(token=tokens[0]).type==="ID"&&context.nodeType===9&&documentIsHTML&&Expr.relative[tokens[1].type]){context=(Expr.find["ID"](token.matches[0].replace(runescape,funescape),context)||[])[0];if(!context){return results}else if(compiled){context=context.parentNode}selector=selector.slice(tokens.shift().value.length)}i=matchExpr["needsContext"].test(selector)?0:tokens.length;while(i--){token=tokens[i];if(Expr.relative[type=token.type]){break}if(find=Expr.find[type]){if(seed=find(token.matches[0].replace(runescape,funescape),rsibling.test(tokens[0].type)&&testContext(context.parentNode)||context)){tokens.splice(i,1);selector=seed.length&&toSelector(tokens);if(!selector){push.apply(results,seed);return results}break}}}}(compiled||compile(selector,match))(seed,context,!documentIsHTML,results,!context||rsibling.test(selector)&&testContext(context.parentNode)||context);return results};support.sortStable=expando.split("").sort(sortOrder).join("")===expando;support.detectDuplicates=!!hasDuplicate;setDocument();support.sortDetached=assert(function(el){return el.compareDocumentPosition(document.createElement("fieldset"))&1});if(!assert(function(el){el.innerHTML="<a href='#'></a>";return el.firstChild.getAttribute("href")==="#"})){addHandle("type|href|height|width",function(elem,name,isXML){if(!isXML){return elem.getAttribute(name,name.toLowerCase()==="type"?1:2)}})}if(!support.attributes||!assert(function(el){el.innerHTML="<input/>";el.firstChild.setAttribute("value","");return el.firstChild.getAttribute("value")===""})){addHandle("value",function(elem,name,isXML){if(!isXML&&elem.nodeName.toLowerCase()==="input"){return elem.defaultValue}})}if(!assert(function(el){return el.getAttribute("disabled")==null})){addHandle(booleans,function(elem,name,isXML){var val;if(!isXML){return elem[name]===true?name.toLowerCase():(val=elem.getAttributeNode(name))&&val.specified?val.value:null}})}return Sizzle}(window);jQuery.find=Sizzle;jQuery.expr=Sizzle.selectors;jQuery.expr[":"]=jQuery.expr.pseudos;jQuery.uniqueSort=jQuery.unique=Sizzle.uniqueSort;jQuery.text=Sizzle.getText;jQuery.isXMLDoc=Sizzle.isXML;jQuery.contains=Sizzle.contains;jQuery.escapeSelector=Sizzle.escape;var dir=function(elem,dir,until){var matched=[],truncate=until!==undefined;while((elem=elem[dir])&&elem.nodeType!==9){if(elem.nodeType===1){if(truncate&&jQuery(elem).is(until)){break}matched.push(elem)}}return matched};var siblings=function(n,elem){var matched=[];for(;n;n=n.nextSibling){if(n.nodeType===1&&n!==elem){matched.push(n)}}return matched};var rneedsContext=jQuery.expr.match.needsContext;function nodeName(elem,name){return elem.nodeName&&elem.nodeName.toLowerCase()===name.toLowerCase()}var rsingleTag=/^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i;var risSimple=/^.[^:#\[\.,]*$/;function winnow(elements,qualifier,not){if(jQuery.isFunction(qualifier)){return jQuery.grep(elements,function(elem,i){return!!qualifier.call(elem,i,elem)!==not})}if(qualifier.nodeType){return jQuery.grep(elements,function(elem){return elem===qualifier!==not})}if(typeof qualifier!=="string"){return jQuery.grep(elements,function(elem){return indexOf.call(qualifier,elem)>-1!==not})}if(risSimple.test(qualifier)){return jQuery.filter(qualifier,elements,not)}qualifier=jQuery.filter(qualifier,elements);return jQuery.grep(elements,function(elem){return indexOf.call(qualifier,elem)>-1!==not&&elem.nodeType===1})}jQuery.filter=function(expr,elems,not){var elem=elems[0];if(not){expr=":not("+expr+")"}if(elems.length===1&&elem.nodeType===1){return jQuery.find.matchesSelector(elem,expr)?[elem]:[]}return jQuery.find.matches(expr,jQuery.grep(elems,function(elem){return elem.nodeType===1}))};jQuery.fn.extend({find:function(selector){var i,ret,len=this.length,self=this;if(typeof selector!=="string"){return this.pushStack(jQuery(selector).filter(function(){for(i=0;i<len;i++){if(jQuery.contains(self[i],this)){return true}}}))}ret=this.pushStack([]);for(i=0;i<len;i++){jQuery.find(selector,self[i],ret)}return len>1?jQuery.uniqueSort(ret):ret},filter:function(selector){return this.pushStack(winnow(this,selector||[],false))},not:function(selector){return this.pushStack(winnow(this,selector||[],true))},is:function(selector){return!!winnow(this,typeof selector==="string"&&rneedsContext.test(selector)?jQuery(selector):selector||[],false).length}});var rootjQuery,rquickExpr=/^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,init=jQuery.fn.init=function(selector,context,root){var match,elem;if(!selector){return this}root=root||rootjQuery;if(typeof selector==="string"){if(selector[0]==="<"&&selector[selector.length-1]===">"&&selector.length>=3){match=[null,selector,null]}else{match=rquickExpr.exec(selector)}if(match&&(match[1]||!context)){if(match[1]){context=context instanceof jQuery?context[0]:context;jQuery.merge(this,jQuery.parseHTML(match[1],context&&context.nodeType?context.ownerDocument||context:document,true));if(rsingleTag.test(match[1])&&jQuery.isPlainObject(context)){for(match in context){if(jQuery.isFunction(this[match])){this[match](context[match])}else{this.attr(match,context[match])}}}return this}else{elem=document.getElementById(match[2]);if(elem){this[0]=elem;this.length=1}return this}}else if(!context||context.jquery){return(context||root).find(selector)}else{return this.constructor(context).find(selector)}}else if(selector.nodeType){this[0]=selector;this.length=1;return this}else if(jQuery.isFunction(selector)){return root.ready!==undefined?root.ready(selector):selector(jQuery)}return jQuery.makeArray(selector,this)};init.prototype=jQuery.fn;rootjQuery=jQuery(document);var rparentsprev=/^(?:parents|prev(?:Until|All))/,guaranteedUnique={children:true,contents:true,next:true,prev:true};jQuery.fn.extend({has:function(target){var targets=jQuery(target,this),l=targets.length;return this.filter(function(){var i=0;for(;i<l;i++){if(jQuery.contains(this,targets[i])){return true}}})},closest:function(selectors,context){var cur,i=0,l=this.length,matched=[],targets=typeof selectors!=="string"&&jQuery(selectors);if(!rneedsContext.test(selectors)){for(;i<l;i++){for(cur=this[i];cur&&cur!==context;cur=cur.parentNode){if(cur.nodeType<11&&(targets?targets.index(cur)>-1:cur.nodeType===1&&jQuery.find.matchesSelector(cur,selectors))){matched.push(cur);break}}}}return this.pushStack(matched.length>1?jQuery.uniqueSort(matched):matched)},index:function(elem){if(!elem){return this[0]&&this[0].parentNode?this.first().prevAll().length:-1}if(typeof elem==="string"){return 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e=this.originalEvent;this.isImmediatePropagationStopped=returnTrue;if(e&&!this.isSimulated){e.stopImmediatePropagation()}this.stopPropagation()}};jQuery.each({altKey:true,bubbles:true,cancelable:true,changedTouches:true,ctrlKey:true,detail:true,eventPhase:true,metaKey:true,pageX:true,pageY:true,shiftKey:true,view:true,char:true,charCode:true,key:true,keyCode:true,button:true,buttons:true,clientX:true,clientY:true,offsetX:true,offsetY:true,pointerId:true,pointerType:true,screenX:true,screenY:true,targetTouches:true,toElement:true,touches:true,which:function(event){var button=event.button;if(event.which==null&&rkeyEvent.test(event.type)){return event.charCode!=null?event.charCode:event.keyCode}if(!event.which&&button!==undefined&&rmouseEvent.test(event.type)){if(button&1){return 1}if(button&2){return 3}if(button&4){return 2}return 0}return event.which}},jQuery.event.addProp);jQuery.each({mouseenter:"mouseover",mouseleave:"mouseout",pointerenter:"pointerover",pointerleave:"pointerout"},function(orig,fix){jQuery.event.special[orig]={delegateType:fix,bindType:fix,handle:function(event){var ret,target=this,related=event.relatedTarget,handleObj=event.handleObj;if(!related||related!==target&&!jQuery.contains(target,related)){event.type=handleObj.origType;ret=handleObj.handler.apply(this,arguments);event.type=fix}return ret}}});jQuery.fn.extend({on:function(types,selector,data,fn){return on(this,types,selector,data,fn)},one:function(types,selector,data,fn){return on(this,types,selector,data,fn,1)},off:function(types,selector,fn){var handleObj,type;if(types&&types.preventDefault&&types.handleObj){handleObj=types.handleObj;jQuery(types.delegateTarget).off(handleObj.namespace?handleObj.origType+"."+handleObj.namespace:handleObj.origType,handleObj.selector,handleObj.handler);return this}if(typeof types==="object"){for(type in 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value==="string"&&!support.checkClone&&rchecked.test(value)){return collection.each(function(index){var self=collection.eq(index);if(isFunction){args[0]=value.call(this,index,self.html())}domManip(self,args,callback,ignored)})}if(l){fragment=buildFragment(args,collection[0].ownerDocument,false,collection,ignored);first=fragment.firstChild;if(fragment.childNodes.length===1){fragment=first}if(first||ignored){scripts=jQuery.map(getAll(fragment,"script"),disableScript);hasScripts=scripts.length;for(;i<l;i++){node=fragment;if(i!==iNoClone){node=jQuery.clone(node,true,true);if(hasScripts){jQuery.merge(scripts,getAll(node,"script"))}}callback.call(collection[i],node,i)}if(hasScripts){doc=scripts[scripts.length-1].ownerDocument;jQuery.map(scripts,restoreScript);for(i=0;i<hasScripts;i++){node=scripts[i];if(rscriptType.test(node.type||"")&&!dataPriv.access(node,"globalEval")&&jQuery.contains(doc,node)){if(node.src){if(jQuery._evalUrl){jQuery._evalUrl(node.src)}}else{DOMEval(node.textContent.replace(rcleanScript,""),doc)}}}}}}return collection}function remove(elem,selector,keepData){var 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i,l,srcElements,destElements,clone=elem.cloneNode(true),inPage=jQuery.contains(elem.ownerDocument,elem);if(!support.noCloneChecked&&(elem.nodeType===1||elem.nodeType===11)&&!jQuery.isXMLDoc(elem)){destElements=getAll(clone);srcElements=getAll(elem);for(i=0,l=srcElements.length;i<l;i++){fixInput(srcElements[i],destElements[i])}}if(dataAndEvents){if(deepDataAndEvents){srcElements=srcElements||getAll(elem);destElements=destElements||getAll(clone);for(i=0,l=srcElements.length;i<l;i++){cloneCopyEvent(srcElements[i],destElements[i])}}else{cloneCopyEvent(elem,clone)}}destElements=getAll(clone,"script");if(destElements.length>0){setGlobalEval(destElements,!inPage&&getAll(elem,"script"))}return clone},cleanData:function(elems){var data,elem,type,special=jQuery.event.special,i=0;for(;(elem=elems[i])!==undefined;i++){if(acceptData(elem)){if(data=elem[dataPriv.expando]){if(data.events){for(type in 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rnumnonpx=new RegExp("^("+pnum+")(?!px)[a-z%]+$","i");var getStyles=function(elem){var view=elem.ownerDocument.defaultView;if(!view||!view.opener){view=window}return view.getComputedStyle(elem)};(function(){function computeStyleTests(){if(!div){return}div.style.cssText="box-sizing:border-box;"+"position:relative;display:block;"+"margin:auto;border:1px;padding:1px;"+"top:1%;width:50%";div.innerHTML="";documentElement.appendChild(container);var divStyle=window.getComputedStyle(div);pixelPositionVal=divStyle.top!=="1%";reliableMarginLeftVal=divStyle.marginLeft==="2px";boxSizingReliableVal=divStyle.width==="4px";div.style.marginRight="50%";pixelMarginRightVal=divStyle.marginRight==="4px";documentElement.removeChild(container);div=null}var pixelPositionVal,boxSizingReliableVal,pixelMarginRightVal,reliableMarginLeftVal,container=document.createElement("div"),div=document.createElement("div");if(!div.style){return}div.style.backgroundClip="content-box";div.cloneNode(true).style.backgroundClip="";support.clearCloneStyle=div.style.backgroundClip==="content-box";container.style.cssText="border:0;width:8px;height:0;top:0;left:-9999px;"+"padding:0;margin-top:1px;position:absolute";container.appendChild(div);jQuery.extend(support,{pixelPosition:function(){computeStyleTests();return pixelPositionVal},boxSizingReliable:function(){computeStyleTests();return boxSizingReliableVal},pixelMarginRight:function(){computeStyleTests();return pixelMarginRightVal},reliableMarginLeft:function(){computeStyleTests();return reliableMarginLeftVal}})})();function curCSS(elem,name,computed){var width,minWidth,maxWidth,ret,style=elem.style;computed=computed||getStyles(elem);if(computed){ret=computed.getPropertyValue(name)||computed[name];if(ret===""&&!jQuery.contains(elem.ownerDocument,elem)){ret=jQuery.style(elem,name)}if(!support.pixelMarginRight()&&rnumnonpx.test(ret)&&rmargin.test(name)){width=style.width;minWidth=style.minWidth;maxWidth=style.maxWidth;style.minWidth=style.maxWidth=style.width=ret;ret=computed.width;style.width=width;style.minWidth=minWidth;style.maxWidth=maxWidth}}return ret!==undefined?ret+"":ret}function addGetHookIf(conditionFn,hookFn){return{get:function(){if(conditionFn()){delete this.get;return}return(this.get=hookFn).apply(this,arguments)}}}var rdisplayswap=/^(none|table(?!-c[ea]).+)/,rcustomProp=/^--/,cssShow={position:"absolute",visibility:"hidden",display:"block"},cssNormalTransform={letterSpacing:"0",fontWeight:"400"},cssPrefixes=["Webkit","Moz","ms"],emptyStyle=document.createElement("div").style;function vendorPropName(name){if(name in emptyStyle){return name}var capName=name[0].toUpperCase()+name.slice(1),i=cssPrefixes.length;while(i--){name=cssPrefixes[i]+capName;if(name in emptyStyle){return name}}}function finalPropName(name){var ret=jQuery.cssProps[name];if(!ret){ret=jQuery.cssProps[name]=vendorPropName(name)||name}return ret}function setPositiveNumber(elem,value,subtract){var matches=rcssNum.exec(value);return matches?Math.max(0,matches[2]-(subtract||0))+(matches[3]||"px"):value}function augmentWidthOrHeight(elem,name,extra,isBorderBox,styles){var i,val=0;if(extra===(isBorderBox?"border":"content")){i=4}else{i=name==="width"?1:0}for(;i<4;i+=2){if(extra==="margin"){val+=jQuery.css(elem,extra+cssExpand[i],true,styles)}if(isBorderBox){if(extra==="content"){val-=jQuery.css(elem,"padding"+cssExpand[i],true,styles)}if(extra!=="margin"){val-=jQuery.css(elem,"border"+cssExpand[i]+"Width",true,styles)}}else{val+=jQuery.css(elem,"padding"+cssExpand[i],true,styles);if(extra!=="padding"){val+=jQuery.css(elem,"border"+cssExpand[i]+"Width",true,styles)}}}return val}function getWidthOrHeight(elem,name,extra){var valueIsBorderBox,styles=getStyles(elem),val=curCSS(elem,name,styles),isBorderBox=jQuery.css(elem,"boxSizing",false,styles)==="border-box";if(rnumnonpx.test(val)){return val}valueIsBorderBox=isBorderBox&&(support.boxSizingReliable()||val===elem.style[name]);if(val==="auto"){val=elem["offset"+name[0].toUpperCase()+name.slice(1)]}val=parseFloat(val)||0;return val+augmentWidthOrHeight(elem,name,extra||(isBorderBox?"border":"content"),valueIsBorderBox,styles)+"px"}jQuery.extend({cssHooks:{opacity:{get:function(elem,computed){if(computed){var ret=curCSS(elem,"opacity");return ret===""?"1":ret}}}},cssNumber:{animationIterationCount:true,columnCount:true,fillOpacity:true,flexGrow:true,flexShrink:true,fontWeight:true,lineHeight:true,opacity:true,order:true,orphans:true,widows:true,zIndex:true,zoom:true},cssProps:{float:"cssFloat"},style:function(elem,name,value,extra){if(!elem||elem.nodeType===3||elem.nodeType===8||!elem.style){return}var ret,type,hooks,origName=jQuery.camelCase(name),isCustomProp=rcustomProp.test(name),style=elem.style;if(!isCustomProp){name=finalPropName(origName)}hooks=jQuery.cssHooks[name]||jQuery.cssHooks[origName];if(value!==undefined){type=typeof value;if(type==="string"&&(ret=rcssNum.exec(value))&&ret[1]){value=adjustCSS(elem,name,ret);type="number"}if(value==null||value!==value){return}if(type==="number"){value+=ret&&ret[3]||(jQuery.cssNumber[origName]?"":"px")}if(!support.clearCloneStyle&&value===""&&name.indexOf("background")===0){style[name]="inherit"}if(!hooks||!("set"in hooks)||(value=hooks.set(elem,value,extra))!==undefined){if(isCustomProp){style.setProperty(name,value)}else{style[name]=value}}}else{if(hooks&&"get"in hooks&&(ret=hooks.get(elem,false,extra))!==undefined){return ret}return style[name]}},css:function(elem,name,extra,styles){var val,num,hooks,origName=jQuery.camelCase(name),isCustomProp=rcustomProp.test(name);if(!isCustomProp){name=finalPropName(origName)}hooks=jQuery.cssHooks[name]||jQuery.cssHooks[origName];if(hooks&&"get"in hooks){val=hooks.get(elem,true,extra)}if(val===undefined){val=curCSS(elem,name,styles)}if(val==="normal"&&name in cssNormalTransform){val=cssNormalTransform[name]}if(extra===""||extra){num=parseFloat(val);return extra===true||isFinite(num)?num||0:val}return val}});jQuery.each(["height","width"],function(i,name){jQuery.cssHooks[name]={get:function(elem,computed,extra){if(computed){return rdisplayswap.test(jQuery.css(elem,"display"))&&(!elem.getClientRects().length||!elem.getBoundingClientRect().width)?swap(elem,cssShow,function(){return getWidthOrHeight(elem,name,extra)}):getWidthOrHeight(elem,name,extra)}},set:function(elem,value,extra){var matches,styles=extra&&getStyles(elem),subtract=extra&&augmentWidthOrHeight(elem,name,extra,jQuery.css(elem,"boxSizing",false,styles)==="border-box",styles);if(subtract&&(matches=rcssNum.exec(value))&&(matches[3]||"px")!=="px"){elem.style[name]=value;value=jQuery.css(elem,name)}return setPositiveNumber(elem,value,subtract)}}});jQuery.cssHooks.marginLeft=addGetHookIf(support.reliableMarginLeft,function(elem,computed){if(computed){return(parseFloat(curCSS(elem,"marginLeft"))||elem.getBoundingClientRect().left-swap(elem,{marginLeft:0},function(){return elem.getBoundingClientRect().left}))+"px"}});jQuery.each({margin:"",padding:"",border:"Width"},function(prefix,suffix){jQuery.cssHooks[prefix+suffix]={expand:function(value){var i=0,expanded={},parts=typeof value==="string"?value.split(" "):[value];for(;i<4;i++){expanded[prefix+cssExpand[i]+suffix]=parts[i]||parts[i-2]||parts[0]}return expanded}};if(!rmargin.test(prefix)){jQuery.cssHooks[prefix+suffix].set=setPositiveNumber}});jQuery.fn.extend({css:function(name,value){return access(this,function(elem,name,value){var styles,len,map={},i=0;if(Array.isArray(name)){styles=getStyles(elem);len=name.length;for(;i<len;i++){map[name[i]]=jQuery.css(elem,name[i],false,styles)}return map}return value!==undefined?jQuery.style(elem,name,value):jQuery.css(elem,name)},name,value,arguments.length>1)}});function Tween(elem,options,prop,end,easing){return new Tween.prototype.init(elem,options,prop,end,easing)}jQuery.Tween=Tween;Tween.prototype={constructor:Tween,init:function(elem,options,prop,end,easing,unit){this.elem=elem;this.prop=prop;this.easing=easing||jQuery.easing._default;this.options=options;this.start=this.now=this.cur();this.end=end;this.unit=unit||(jQuery.cssNumber[prop]?"":"px")},cur:function(){var hooks=Tween.propHooks[this.prop];return hooks&&hooks.get?hooks.get(this):Tween.propHooks._default.get(this)},run:function(percent){var eased,hooks=Tween.propHooks[this.prop];if(this.options.duration){this.pos=eased=jQuery.easing[this.easing](percent,this.options.duration*percent,0,1,this.options.duration)}else{this.pos=eased=percent}this.now=(this.end-this.start)*eased+this.start;if(this.options.step){this.options.step.call(this.elem,this.now,this)}if(hooks&&hooks.set){hooks.set(this)}else{Tween.propHooks._default.set(this)}return this}};Tween.prototype.init.prototype=Tween.prototype;Tween.propHooks={_default:{get:function(tween){var result;if(tween.elem.nodeType!==1||tween.elem[tween.prop]!=null&&tween.elem.style[tween.prop]==null){return tween.elem[tween.prop]}result=jQuery.css(tween.elem,tween.prop,"");return!result||result==="auto"?0:result},set:function(tween){if(jQuery.fx.step[tween.prop]){jQuery.fx.step[tween.prop](tween)}else if(tween.elem.nodeType===1&&(tween.elem.style[jQuery.cssProps[tween.prop]]!=null||jQuery.cssHooks[tween.prop])){jQuery.style(tween.elem,tween.prop,tween.now+tween.unit)}else{tween.elem[tween.prop]=tween.now}}}};Tween.propHooks.scrollTop=Tween.propHooks.scrollLeft={set:function(tween){if(tween.elem.nodeType&&tween.elem.parentNode){tween.elem[tween.prop]=tween.now}}};jQuery.easing={linear:function(p){return p},swing:function(p){return.5-Math.cos(p*Math.PI)/2},_default:"swing"};jQuery.fx=Tween.prototype.init;jQuery.fx.step={};var fxNow,inProgress,rfxtypes=/^(?:toggle|show|hide)$/,rrun=/queueHooks$/;function schedule(){if(inProgress){if(document.hidden===false&&window.requestAnimationFrame){window.requestAnimationFrame(schedule)}else{window.setTimeout(schedule,jQuery.fx.interval)}jQuery.fx.tick()}}function createFxNow(){window.setTimeout(function(){fxNow=undefined});return fxNow=jQuery.now()}function genFx(type,includeWidth){var which,i=0,attrs={height:type};includeWidth=includeWidth?1:0;for(;i<4;i+=2-includeWidth){which=cssExpand[i];attrs["margin"+which]=attrs["padding"+which]=type}if(includeWidth){attrs.opacity=attrs.width=type}return attrs}function createTween(value,prop,animation){var tween,collection=(Animation.tweeners[prop]||[]).concat(Animation.tweeners["*"]),index=0,length=collection.length;for(;index<length;index++){if(tween=collection[index].call(animation,prop,value)){return tween}}}function defaultPrefilter(elem,props,opts){var prop,value,toggle,hooks,oldfire,propTween,restoreDisplay,display,isBox="width"in props||"height"in props,anim=this,orig={},style=elem.style,hidden=elem.nodeType&&isHiddenWithinTree(elem),dataShow=dataPriv.get(elem,"fxshow");if(!opts.queue){hooks=jQuery._queueHooks(elem,"fx");if(hooks.unqueued==null){hooks.unqueued=0;oldfire=hooks.empty.fire;hooks.empty.fire=function(){if(!hooks.unqueued){oldfire()}}}hooks.unqueued++;anim.always(function(){anim.always(function(){hooks.unqueued--;if(!jQuery.queue(elem,"fx").length){hooks.empty.fire()}})})}for(prop in props){value=props[prop];if(rfxtypes.test(value)){delete props[prop];toggle=toggle||value==="toggle";if(value===(hidden?"hide":"show")){if(value==="show"&&dataShow&&dataShow[prop]!==undefined){hidden=true}else{continue}}orig[prop]=dataShow&&dataShow[prop]||jQuery.style(elem,prop)}}propTween=!jQuery.isEmptyObject(props);if(!propTween&&jQuery.isEmptyObject(orig)){return}if(isBox&&elem.nodeType===1){opts.overflow=[style.overflow,style.overflowX,style.overflowY];restoreDisplay=dataShow&&dataShow.display;if(restoreDisplay==null){restoreDisplay=dataPriv.get(elem,"display")}display=jQuery.css(elem,"display");if(display==="none"){if(restoreDisplay){display=restoreDisplay}else{showHide([elem],true);restoreDisplay=elem.style.display||restoreDisplay;display=jQuery.css(elem,"display");showHide([elem])}}if(display==="inline"||display==="inline-block"&&restoreDisplay!=null){if(jQuery.css(elem,"float")==="none"){if(!propTween){anim.done(function(){style.display=restoreDisplay});if(restoreDisplay==null){display=style.display;restoreDisplay=display==="none"?"":display}}style.display="inline-block"}}}if(opts.overflow){style.overflow="hidden";anim.always(function(){style.overflow=opts.overflow[0];style.overflowX=opts.overflow[1];style.overflowY=opts.overflow[2]})}propTween=false;for(prop in orig){if(!propTween){if(dataShow){if("hidden"in dataShow){hidden=dataShow.hidden}}else{dataShow=dataPriv.access(elem,"fxshow",{display:restoreDisplay})}if(toggle){dataShow.hidden=!hidden}if(hidden){showHide([elem],true)}anim.done(function(){if(!hidden){showHide([elem])}dataPriv.remove(elem,"fxshow");for(prop in orig){jQuery.style(elem,prop,orig[prop])}})}propTween=createTween(hidden?dataShow[prop]:0,prop,anim);if(!(prop in dataShow)){dataShow[prop]=propTween.start;if(hidden){propTween.end=propTween.start;propTween.start=0}}}}function propFilter(props,specialEasing){var index,name,easing,value,hooks;for(index in props){name=jQuery.camelCase(index);easing=specialEasing[name];value=props[index];if(Array.isArray(value)){easing=value[1];value=props[index]=value[0]}if(index!==name){props[name]=value;delete props[index]}hooks=jQuery.cssHooks[name];if(hooks&&"expand"in hooks){value=hooks.expand(value);delete props[name];for(index in value){if(!(index in props)){props[index]=value[index];specialEasing[index]=easing}}}else{specialEasing[name]=easing}}}function Animation(elem,properties,options){var result,stopped,index=0,length=Animation.prefilters.length,deferred=jQuery.Deferred().always(function(){delete tick.elem}),tick=function(){if(stopped){return false}var currentTime=fxNow||createFxNow(),remaining=Math.max(0,animation.startTime+animation.duration-currentTime),temp=remaining/animation.duration||0,percent=1-temp,index=0,length=animation.tweens.length;for(;index<length;index++){animation.tweens[index].run(percent)}deferred.notifyWith(elem,[animation,percent,remaining]);if(percent<1&&length){return remaining}if(!length){deferred.notifyWith(elem,[animation,1,0])}deferred.resolveWith(elem,[animation]);return false},animation=deferred.promise({elem:elem,props:jQuery.extend({},properties),opts:jQuery.extend(true,{specialEasing:{},easing:jQuery.easing._default},options),originalProperties:properties,originalOptions:options,startTime:fxNow||createFxNow(),duration:options.duration,tweens:[],createTween:function(prop,end){var tween=jQuery.Tween(elem,animation.opts,prop,end,animation.opts.specialEasing[prop]||animation.opts.easing);animation.tweens.push(tween);return tween},stop:function(gotoEnd){var index=0,length=gotoEnd?animation.tweens.length:0;if(stopped){return this}stopped=true;for(;index<length;index++){animation.tweens[index].run(1)}if(gotoEnd){deferred.notifyWith(elem,[animation,1,0]);deferred.resolveWith(elem,[animation,gotoEnd])}else{deferred.rejectWith(elem,[animation,gotoEnd])}return this}}),props=animation.props;propFilter(props,animation.opts.specialEasing);for(;index<length;index++){result=Animation.prefilters[index].call(animation,elem,props,animation.opts);if(result){if(jQuery.isFunction(result.stop)){jQuery._queueHooks(animation.elem,animation.opts.queue).stop=jQuery.proxy(result.stop,result)}return result}}jQuery.map(props,createTween,animation);if(jQuery.isFunction(animation.opts.start)){animation.opts.start.call(elem,animation)}animation.progress(animation.opts.progress).done(animation.opts.done,animation.opts.complete).fail(animation.opts.fail).always(animation.opts.always);jQuery.fx.timer(jQuery.extend(tick,{elem:elem,anim:animation,queue:animation.opts.queue}));return animation}jQuery.Animation=jQuery.extend(Animation,{tweeners:{"*":[function(prop,value){
+var tween=this.createTween(prop,value);adjustCSS(tween.elem,prop,rcssNum.exec(value),tween);return tween}]},tweener:function(props,callback){if(jQuery.isFunction(props)){callback=props;props=["*"]}else{props=props.match(rnothtmlwhite)}var prop,index=0,length=props.length;for(;index<length;index++){prop=props[index];Animation.tweeners[prop]=Animation.tweeners[prop]||[];Animation.tweeners[prop].unshift(callback)}},prefilters:[defaultPrefilter],prefilter:function(callback,prepend){if(prepend){Animation.prefilters.unshift(callback)}else{Animation.prefilters.push(callback)}}});jQuery.speed=function(speed,easing,fn){var opt=speed&&typeof speed==="object"?jQuery.extend({},speed):{complete:fn||!fn&&easing||jQuery.isFunction(speed)&&speed,duration:speed,easing:fn&&easing||easing&&!jQuery.isFunction(easing)&&easing};if(jQuery.fx.off){opt.duration=0}else{if(typeof opt.duration!=="number"){if(opt.duration in jQuery.fx.speeds){opt.duration=jQuery.fx.speeds[opt.duration]}else{opt.duration=jQuery.fx.speeds._default}}}if(opt.queue==null||opt.queue===true){opt.queue="fx"}opt.old=opt.complete;opt.complete=function(){if(jQuery.isFunction(opt.old)){opt.old.call(this)}if(opt.queue){jQuery.dequeue(this,opt.queue)}};return opt};jQuery.fn.extend({fadeTo:function(speed,to,easing,callback){return this.filter(isHiddenWithinTree).css("opacity",0).show().end().animate({opacity:to},speed,easing,callback)},animate:function(prop,speed,easing,callback){var empty=jQuery.isEmptyObject(prop),optall=jQuery.speed(speed,easing,callback),doAnimation=function(){var anim=Animation(this,jQuery.extend({},prop),optall);if(empty||dataPriv.get(this,"finish")){anim.stop(true)}};doAnimation.finish=doAnimation;return empty||optall.queue===false?this.each(doAnimation):this.queue(optall.queue,doAnimation)},stop:function(type,clearQueue,gotoEnd){var stopQueue=function(hooks){var stop=hooks.stop;delete hooks.stop;stop(gotoEnd)};if(typeof type!=="string"){gotoEnd=clearQueue;clearQueue=type;type=undefined}if(clearQueue&&type!==false){this.queue(type||"fx",[])}return this.each(function(){var dequeue=true,index=type!=null&&type+"queueHooks",timers=jQuery.timers,data=dataPriv.get(this);if(index){if(data[index]&&data[index].stop){stopQueue(data[index])}}else{for(index in data){if(data[index]&&data[index].stop&&rrun.test(index)){stopQueue(data[index])}}}for(index=timers.length;index--;){if(timers[index].elem===this&&(type==null||timers[index].queue===type)){timers[index].anim.stop(gotoEnd);dequeue=false;timers.splice(index,1)}}if(dequeue||!gotoEnd){jQuery.dequeue(this,type)}})},finish:function(type){if(type!==false){type=type||"fx"}return this.each(function(){var index,data=dataPriv.get(this),queue=data[type+"queue"],hooks=data[type+"queueHooks"],timers=jQuery.timers,length=queue?queue.length:0;data.finish=true;jQuery.queue(this,type,[]);if(hooks&&hooks.stop){hooks.stop.call(this,true)}for(index=timers.length;index--;){if(timers[index].elem===this&&timers[index].queue===type){timers[index].anim.stop(true);timers.splice(index,1)}}for(index=0;index<length;index++){if(queue[index]&&queue[index].finish){queue[index].finish.call(this)}}delete data.finish})}});jQuery.each(["toggle","show","hide"],function(i,name){var cssFn=jQuery.fn[name];jQuery.fn[name]=function(speed,easing,callback){return speed==null||typeof speed==="boolean"?cssFn.apply(this,arguments):this.animate(genFx(name,true),speed,easing,callback)}});jQuery.each({slideDown:genFx("show"),slideUp:genFx("hide"),slideToggle:genFx("toggle"),fadeIn:{opacity:"show"},fadeOut:{opacity:"hide"},fadeToggle:{opacity:"toggle"}},function(name,props){jQuery.fn[name]=function(speed,easing,callback){return this.animate(props,speed,easing,callback)}});jQuery.timers=[];jQuery.fx.tick=function(){var timer,i=0,timers=jQuery.timers;fxNow=jQuery.now();for(;i<timers.length;i++){timer=timers[i];if(!timer()&&timers[i]===timer){timers.splice(i--,1)}}if(!timers.length){jQuery.fx.stop()}fxNow=undefined};jQuery.fx.timer=function(timer){jQuery.timers.push(timer);jQuery.fx.start()};jQuery.fx.interval=13;jQuery.fx.start=function(){if(inProgress){return}inProgress=true;schedule()};jQuery.fx.stop=function(){inProgress=null};jQuery.fx.speeds={slow:600,fast:200,_default:400};jQuery.fn.delay=function(time,type){time=jQuery.fx?jQuery.fx.speeds[time]||time:time;type=type||"fx";return this.queue(type,function(next,hooks){var timeout=window.setTimeout(next,time);hooks.stop=function(){window.clearTimeout(timeout)}})};(function(){var input=document.createElement("input"),select=document.createElement("select"),opt=select.appendChild(document.createElement("option"));input.type="checkbox";support.checkOn=input.value!=="";support.optSelected=opt.selected;input=document.createElement("input");input.value="t";input.type="radio";support.radioValue=input.value==="t"})();var boolHook,attrHandle=jQuery.expr.attrHandle;jQuery.fn.extend({attr:function(name,value){return access(this,jQuery.attr,name,value,arguments.length>1)},removeAttr:function(name){return this.each(function(){jQuery.removeAttr(this,name)})}});jQuery.extend({attr:function(elem,name,value){var ret,hooks,nType=elem.nodeType;if(nType===3||nType===8||nType===2){return}if(typeof elem.getAttribute==="undefined"){return jQuery.prop(elem,name,value)}if(nType!==1||!jQuery.isXMLDoc(elem)){hooks=jQuery.attrHooks[name.toLowerCase()]||(jQuery.expr.match.bool.test(name)?boolHook:undefined)}if(value!==undefined){if(value===null){jQuery.removeAttr(elem,name);return}if(hooks&&"set"in hooks&&(ret=hooks.set(elem,value,name))!==undefined){return ret}elem.setAttribute(name,value+"");return value}if(hooks&&"get"in hooks&&(ret=hooks.get(elem,name))!==null){return ret}ret=jQuery.find.attr(elem,name);return ret==null?undefined:ret},attrHooks:{type:{set:function(elem,value){if(!support.radioValue&&value==="radio"&&nodeName(elem,"input")){var val=elem.value;elem.setAttribute("type",value);if(val){elem.value=val}return value}}}},removeAttr:function(elem,value){var name,i=0,attrNames=value&&value.match(rnothtmlwhite);if(attrNames&&elem.nodeType===1){while(name=attrNames[i++]){elem.removeAttribute(name)}}}});boolHook={set:function(elem,value,name){if(value===false){jQuery.removeAttr(elem,name)}else{elem.setAttribute(name,name)}return name}};jQuery.each(jQuery.expr.match.bool.source.match(/\w+/g),function(i,name){var getter=attrHandle[name]||jQuery.find.attr;attrHandle[name]=function(elem,name,isXML){var ret,handle,lowercaseName=name.toLowerCase();if(!isXML){handle=attrHandle[lowercaseName];attrHandle[lowercaseName]=ret;ret=getter(elem,name,isXML)!=null?lowercaseName:null;attrHandle[lowercaseName]=handle}return ret}});var rfocusable=/^(?:input|select|textarea|button)$/i,rclickable=/^(?:a|area)$/i;jQuery.fn.extend({prop:function(name,value){return access(this,jQuery.prop,name,value,arguments.length>1)},removeProp:function(name){return this.each(function(){delete this[jQuery.propFix[name]||name]})}});jQuery.extend({prop:function(elem,name,value){var ret,hooks,nType=elem.nodeType;if(nType===3||nType===8||nType===2){return}if(nType!==1||!jQuery.isXMLDoc(elem)){name=jQuery.propFix[name]||name;hooks=jQuery.propHooks[name]}if(value!==undefined){if(hooks&&"set"in hooks&&(ret=hooks.set(elem,value,name))!==undefined){return ret}return elem[name]=value}if(hooks&&"get"in hooks&&(ret=hooks.get(elem,name))!==null){return ret}return elem[name]},propHooks:{tabIndex:{get:function(elem){var tabindex=jQuery.find.attr(elem,"tabindex");if(tabindex){return parseInt(tabindex,10)}if(rfocusable.test(elem.nodeName)||rclickable.test(elem.nodeName)&&elem.href){return 0}return-1}}},propFix:{for:"htmlFor",class:"className"}});if(!support.optSelected){jQuery.propHooks.selected={get:function(elem){var parent=elem.parentNode;if(parent&&parent.parentNode){parent.parentNode.selectedIndex}return null},set:function(elem){var parent=elem.parentNode;if(parent){parent.selectedIndex;if(parent.parentNode){parent.parentNode.selectedIndex}}}}}jQuery.each(["tabIndex","readOnly","maxLength","cellSpacing","cellPadding","rowSpan","colSpan","useMap","frameBorder","contentEditable"],function(){jQuery.propFix[this.toLowerCase()]=this});function stripAndCollapse(value){var tokens=value.match(rnothtmlwhite)||[];return tokens.join(" ")}function getClass(elem){return elem.getAttribute&&elem.getAttribute("class")||""}jQuery.fn.extend({addClass:function(value){var classes,elem,cur,curValue,clazz,j,finalValue,i=0;if(jQuery.isFunction(value)){return this.each(function(j){jQuery(this).addClass(value.call(this,j,getClass(this)))})}if(typeof value==="string"&&value){classes=value.match(rnothtmlwhite)||[];while(elem=this[i++]){curValue=getClass(elem);cur=elem.nodeType===1&&" "+stripAndCollapse(curValue)+" ";if(cur){j=0;while(clazz=classes[j++]){if(cur.indexOf(" "+clazz+" ")<0){cur+=clazz+" "}}finalValue=stripAndCollapse(cur);if(curValue!==finalValue){elem.setAttribute("class",finalValue)}}}}return this},removeClass:function(value){var classes,elem,cur,curValue,clazz,j,finalValue,i=0;if(jQuery.isFunction(value)){return this.each(function(j){jQuery(this).removeClass(value.call(this,j,getClass(this)))})}if(!arguments.length){return this.attr("class","")}if(typeof value==="string"&&value){classes=value.match(rnothtmlwhite)||[];while(elem=this[i++]){curValue=getClass(elem);cur=elem.nodeType===1&&" "+stripAndCollapse(curValue)+" ";if(cur){j=0;while(clazz=classes[j++]){while(cur.indexOf(" "+clazz+" ")>-1){cur=cur.replace(" "+clazz+" "," ")}}finalValue=stripAndCollapse(cur);if(curValue!==finalValue){elem.setAttribute("class",finalValue)}}}}return this},toggleClass:function(value,stateVal){var type=typeof value;if(typeof stateVal==="boolean"&&type==="string"){return stateVal?this.addClass(value):this.removeClass(value)}if(jQuery.isFunction(value)){return this.each(function(i){jQuery(this).toggleClass(value.call(this,i,getClass(this),stateVal),stateVal)})}return this.each(function(){var className,i,self,classNames;if(type==="string"){i=0;self=jQuery(this);classNames=value.match(rnothtmlwhite)||[];while(className=classNames[i++]){if(self.hasClass(className)){self.removeClass(className)}else{self.addClass(className)}}}else if(value===undefined||type==="boolean"){className=getClass(this);if(className){dataPriv.set(this,"__className__",className)}if(this.setAttribute){this.setAttribute("class",className||value===false?"":dataPriv.get(this,"__className__")||"")}}})},hasClass:function(selector){var className,elem,i=0;className=" "+selector+" ";while(elem=this[i++]){if(elem.nodeType===1&&(" "+stripAndCollapse(getClass(elem))+" ").indexOf(className)>-1){return true}}return false}});var rreturn=/\r/g;jQuery.fn.extend({val:function(value){var hooks,ret,isFunction,elem=this[0];if(!arguments.length){if(elem){hooks=jQuery.valHooks[elem.type]||jQuery.valHooks[elem.nodeName.toLowerCase()];if(hooks&&"get"in hooks&&(ret=hooks.get(elem,"value"))!==undefined){return ret}ret=elem.value;if(typeof ret==="string"){return ret.replace(rreturn,"")}return ret==null?"":ret}return}isFunction=jQuery.isFunction(value);return this.each(function(i){var val;if(this.nodeType!==1){return}if(isFunction){val=value.call(this,i,jQuery(this).val())}else{val=value}if(val==null){val=""}else if(typeof val==="number"){val+=""}else if(Array.isArray(val)){val=jQuery.map(val,function(value){return value==null?"":value+""})}hooks=jQuery.valHooks[this.type]||jQuery.valHooks[this.nodeName.toLowerCase()];if(!hooks||!("set"in hooks)||hooks.set(this,val,"value")===undefined){this.value=val}})}});jQuery.extend({valHooks:{option:{get:function(elem){var val=jQuery.find.attr(elem,"value");return val!=null?val:stripAndCollapse(jQuery.text(elem))}},select:{get:function(elem){var value,option,i,options=elem.options,index=elem.selectedIndex,one=elem.type==="select-one",values=one?null:[],max=one?index+1:options.length;if(index<0){i=max}else{i=one?index:0}for(;i<max;i++){option=options[i];if((option.selected||i===index)&&!option.disabled&&(!option.parentNode.disabled||!nodeName(option.parentNode,"optgroup"))){value=jQuery(option).val();if(one){return value}values.push(value)}}return values},set:function(elem,value){var optionSet,option,options=elem.options,values=jQuery.makeArray(value),i=options.length;while(i--){option=options[i];if(option.selected=jQuery.inArray(jQuery.valHooks.option.get(option),values)>-1){optionSet=true}}if(!optionSet){elem.selectedIndex=-1}return values}}}});jQuery.each(["radio","checkbox"],function(){jQuery.valHooks[this]={set:function(elem,value){if(Array.isArray(value)){return elem.checked=jQuery.inArray(jQuery(elem).val(),value)>-1}}};if(!support.checkOn){jQuery.valHooks[this].get=function(elem){return elem.getAttribute("value")===null?"on":elem.value}}});var rfocusMorph=/^(?:focusinfocus|focusoutblur)$/;jQuery.extend(jQuery.event,{trigger:function(event,data,elem,onlyHandlers){var i,cur,tmp,bubbleType,ontype,handle,special,eventPath=[elem||document],type=hasOwn.call(event,"type")?event.type:event,namespaces=hasOwn.call(event,"namespace")?event.namespace.split("."):[];cur=tmp=elem=elem||document;if(elem.nodeType===3||elem.nodeType===8){return}if(rfocusMorph.test(type+jQuery.event.triggered)){return}if(type.indexOf(".")>-1){namespaces=type.split(".");type=namespaces.shift();namespaces.sort()}ontype=type.indexOf(":")<0&&"on"+type;event=event[jQuery.expando]?event:new jQuery.Event(type,typeof event==="object"&&event);event.isTrigger=onlyHandlers?2:3;event.namespace=namespaces.join(".");event.rnamespace=event.namespace?new RegExp("(^|\\.)"+namespaces.join("\\.(?:.*\\.|)")+"(\\.|$)"):null;event.result=undefined;if(!event.target){event.target=elem}data=data==null?[event]:jQuery.makeArray(data,[event]);special=jQuery.event.special[type]||{};if(!onlyHandlers&&special.trigger&&special.trigger.apply(elem,data)===false){return}if(!onlyHandlers&&!special.noBubble&&!jQuery.isWindow(elem)){bubbleType=special.delegateType||type;if(!rfocusMorph.test(bubbleType+type)){cur=cur.parentNode}for(;cur;cur=cur.parentNode){eventPath.push(cur);tmp=cur}if(tmp===(elem.ownerDocument||document)){eventPath.push(tmp.defaultView||tmp.parentWindow||window)}}i=0;while((cur=eventPath[i++])&&!event.isPropagationStopped()){event.type=i>1?bubbleType:special.bindType||type;handle=(dataPriv.get(cur,"events")||{})[event.type]&&dataPriv.get(cur,"handle");if(handle){handle.apply(cur,data)}handle=ontype&&cur[ontype];if(handle&&handle.apply&&acceptData(cur)){event.result=handle.apply(cur,data);if(event.result===false){event.preventDefault()}}}event.type=type;if(!onlyHandlers&&!event.isDefaultPrevented()){if((!special._default||special._default.apply(eventPath.pop(),data)===false)&&acceptData(elem)){if(ontype&&jQuery.isFunction(elem[type])&&!jQuery.isWindow(elem)){tmp=elem[ontype];if(tmp){elem[ontype]=null}jQuery.event.triggered=type;elem[type]();jQuery.event.triggered=undefined;if(tmp){elem[ontype]=tmp}}}}return 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diff --git a/htmlcov/jquery.tablesorter.min.js b/htmlcov/jquery.tablesorter.min.js
new file mode 100644
index 0000000..64c7007
--- /dev/null
+++ b/htmlcov/jquery.tablesorter.min.js
@@ -0,0 +1,2 @@
+
+(function($){$.extend({tablesorter:new function(){var parsers=[],widgets=[];this.defaults={cssHeader:"header",cssAsc:"headerSortUp",cssDesc:"headerSortDown",sortInitialOrder:"asc",sortMultiSortKey:"shiftKey",sortForce:null,sortAppend:null,textExtraction:"simple",parsers:{},widgets:[],widgetZebra:{css:["even","odd"]},headers:{},widthFixed:false,cancelSelection:true,sortList:[],headerList:[],dateFormat:"us",decimal:'.',debug:false};function benchmark(s,d){log(s+","+(new Date().getTime()-d.getTime())+"ms");}this.benchmark=benchmark;function log(s){if(typeof console!="undefined"&&typeof console.debug!="undefined"){console.log(s);}else{alert(s);}}function buildParserCache(table,$headers){if(table.config.debug){var parsersDebug="";}var rows=table.tBodies[0].rows;if(table.tBodies[0].rows[0]){var list=[],cells=rows[0].cells,l=cells.length;for(var i=0;i<l;i++){var p=false;if($.metadata&&($($headers[i]).metadata()&&$($headers[i]).metadata().sorter)){p=getParserById($($headers[i]).metadata().sorter);}else if((table.config.headers[i]&&table.config.headers[i].sorter)){p=getParserById(table.config.headers[i].sorter);}if(!p){p=detectParserForColumn(table,cells[i]);}if(table.config.debug){parsersDebug+="column:"+i+" parser:"+p.id+"\n";}list.push(p);}}if(table.config.debug){log(parsersDebug);}return list;};function detectParserForColumn(table,node){var l=parsers.length;for(var i=1;i<l;i++){if(parsers[i].is($.trim(getElementText(table.config,node)),table,node)){return parsers[i];}}return parsers[0];}function getParserById(name){var l=parsers.length;for(var i=0;i<l;i++){if(parsers[i].id.toLowerCase()==name.toLowerCase()){return parsers[i];}}return false;}function buildCache(table){if(table.config.debug){var cacheTime=new Date();}var totalRows=(table.tBodies[0]&&table.tBodies[0].rows.length)||0,totalCells=(table.tBodies[0].rows[0]&&table.tBodies[0].rows[0].cells.length)||0,parsers=table.config.parsers,cache={row:[],normalized:[]};for(var i=0;i<totalRows;++i){var c=table.tBodies[0].rows[i],cols=[];cache.row.push($(c));for(var j=0;j<totalCells;++j){cols.push(parsers[j].format(getElementText(table.config,c.cells[j]),table,c.cells[j]));}cols.push(i);cache.normalized.push(cols);cols=null;};if(table.config.debug){benchmark("Building cache for "+totalRows+" rows:",cacheTime);}return cache;};function getElementText(config,node){if(!node)return"";var t="";if(config.textExtraction=="simple"){if(node.childNodes[0]&&node.childNodes[0].hasChildNodes()){t=node.childNodes[0].innerHTML;}else{t=node.innerHTML;}}else{if(typeof(config.textExtraction)=="function"){t=config.textExtraction(node);}else{t=$(node).text();}}return t;}function appendToTable(table,cache){if(table.config.debug){var appendTime=new Date()}var c=cache,r=c.row,n=c.normalized,totalRows=n.length,checkCell=(n[0].length-1),tableBody=$(table.tBodies[0]),rows=[];for(var i=0;i<totalRows;i++){rows.push(r[n[i][checkCell]]);if(!table.config.appender){var o=r[n[i][checkCell]];var l=o.length;for(var j=0;j<l;j++){tableBody[0].appendChild(o[j]);}}}if(table.config.appender){table.config.appender(table,rows);}rows=null;if(table.config.debug){benchmark("Rebuilt table:",appendTime);}applyWidget(table);setTimeout(function(){$(table).trigger("sortEnd");},0);};function buildHeaders(table){if(table.config.debug){var time=new Date();}var meta=($.metadata)?true:false,tableHeadersRows=[];for(var i=0;i<table.tHead.rows.length;i++){tableHeadersRows[i]=0;};$tableHeaders=$("thead 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applyWidget(table){var c=table.config.widgets;var l=c.length;for(var i=0;i<l;i++){getWidgetById(c[i]).format(table);}}function getWidgetById(name){var l=widgets.length;for(var i=0;i<l;i++){if(widgets[i].id.toLowerCase()==name.toLowerCase()){return widgets[i];}}};function formatSortingOrder(v){if(typeof(v)!="Number"){i=(v.toLowerCase()=="desc")?1:0;}else{i=(v==(0||1))?v:0;}return i;}function isValueInArray(v,a){var l=a.length;for(var i=0;i<l;i++){if(a[i][0]==v){return true;}}return false;}function setHeadersCss(table,$headers,list,css){$headers.removeClass(css[0]).removeClass(css[1]);var h=[];$headers.each(function(offset){if(!this.sortDisabled){h[this.column]=$(this);}});var l=list.length;for(var i=0;i<l;i++){h[list[i][0]].addClass(css[list[i][1]]);}}function fixColumnWidth(table,$headers){var c=table.config;if(c.widthFixed){var colgroup=$('<colgroup>');$("tr:first td",table.tBodies[0]).each(function(){colgroup.append($('<col>').css('width',$(this).width()));});$(table).prepend(colgroup);};}function updateHeaderSortCount(table,sortList){var c=table.config,l=sortList.length;for(var i=0;i<l;i++){var s=sortList[i],o=c.headerList[s[0]];o.count=s[1];o.count++;}}function multisort(table,sortList,cache){if(table.config.debug){var sortTime=new Date();}var dynamicExp="var sortWrapper = function(a,b) {",l=sortList.length;for(var i=0;i<l;i++){var c=sortList[i][0];var order=sortList[i][1];var s=(getCachedSortType(table.config.parsers,c)=="text")?((order==0)?"sortText":"sortTextDesc"):((order==0)?"sortNumeric":"sortNumericDesc");var e="e"+i;dynamicExp+="var "+e+" = "+s+"(a["+c+"],b["+c+"]); ";dynamicExp+="if("+e+") { return "+e+"; } ";dynamicExp+="else { ";}var orgOrderCol=cache.normalized[0].length-1;dynamicExp+="return a["+orgOrderCol+"]-b["+orgOrderCol+"];";for(var i=0;i<l;i++){dynamicExp+="}; ";}dynamicExp+="return 0; ";dynamicExp+="}; 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totalRows=($this[0].tBodies[0]&&$this[0].tBodies[0].rows.length)||0;if(!this.sortDisabled&&totalRows>0){var $cell=$(this);var i=this.column;this.order=this.count++%2;if(!e[config.sortMultiSortKey]){config.sortList=[];if(config.sortForce!=null){var a=config.sortForce;for(var j=0;j<a.length;j++){if(a[j][0]!=i){config.sortList.push(a[j]);}}}config.sortList.push([i,this.order]);}else{if(isValueInArray(i,config.sortList)){for(var j=0;j<config.sortList.length;j++){var s=config.sortList[j],o=config.headerList[s[0]];if(s[0]==i){o.count=s[1];o.count++;s[1]=o.count%2;}}}else{config.sortList.push([i,this.order]);}};setTimeout(function(){setHeadersCss($this[0],$headers,config.sortList,sortCSS);appendToTable($this[0],multisort($this[0],config.sortList,cache));},1);return false;}}).mousedown(function(){if(config.cancelSelection){this.onselectstart=function(){return false};return false;}});$this.bind("update",function(){this.config.parsers=buildParserCache(this,$headers);cache=buildCache(this);}).bind("sorton",function(e,list){$(this).trigger("sortStart");config.sortList=list;var sortList=config.sortList;updateHeaderSortCount(this,sortList);setHeadersCss(this,$headers,sortList,sortCSS);appendToTable(this,multisort(this,sortList,cache));}).bind("appendCache",function(){appendToTable(this,cache);}).bind("applyWidgetId",function(e,id){getWidgetById(id).format(this);}).bind("applyWidgets",function(){applyWidget(this);});if($.metadata&&($(this).metadata()&&$(this).metadata().sortlist)){config.sortList=$(this).metadata().sortlist;}if(config.sortList.length>0){$this.trigger("sorton",[config.sortList]);}applyWidget(this);});};this.addParser=function(parser){var l=parsers.length,a=true;for(var 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$.trim(s.toLowerCase());},type:"text"});ts.addParser({id:"digit",is:function(s,table){var c=table.config;return $.tablesorter.isDigit(s,c);},format:function(s){return $.tablesorter.formatFloat(s);},type:"numeric"});ts.addParser({id:"currency",is:function(s){return/^[£$€?.]/.test(s);},format:function(s){return $.tablesorter.formatFloat(s.replace(new RegExp(/[^0-9.]/g),""));},type:"numeric"});ts.addParser({id:"ipAddress",is:function(s){return/^\d{2,3}[\.]\d{2,3}[\.]\d{2,3}[\.]\d{2,3}$/.test(s);},format:function(s){var a=s.split("."),r="",l=a.length;for(var i=0;i<l;i++){var item=a[i];if(item.length==2){r+="0"+item;}else{r+=item;}}return $.tablesorter.formatFloat(r);},type:"numeric"});ts.addParser({id:"url",is:function(s){return/^(https?|ftp|file):\/\/$/.test(s);},format:function(s){return jQuery.trim(s.replace(new RegExp(/(https?|ftp|file):\/\//),''));},type:"text"});ts.addParser({id:"isoDate",is:function(s){return/^\d{4}[\/-]\d{1,2}[\/-]\d{1,2}$/.test(s);},format:function(s){return 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diff --git a/htmlcov/status.json b/htmlcov/status.json
new file mode 100644
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diff --git a/htmlcov/style.css b/htmlcov/style.css
new file mode 100644
index 0000000..3e7f9b6
--- /dev/null
+++ b/htmlcov/style.css
@@ -0,0 +1,291 @@
+@charset "UTF-8";
+/* Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 */
+/* For details: https://github.com/nedbat/coveragepy/blob/master/NOTICE.txt */
+/* Don't edit this .css file. Edit the .scss file instead! */
+html, body, h1, h2, h3, p, table, td, th { margin: 0; padding: 0; border: 0; font-weight: inherit; font-style: inherit; font-size: 100%; font-family: inherit; vertical-align: baseline; }
+
+body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; font-size: 1em; background: #fff; color: #000; }
+
+@media (prefers-color-scheme: dark) { body { background: #1e1e1e; } }
+
+@media (prefers-color-scheme: dark) { body { color: #eee; } }
+
+html > body { font-size: 16px; }
+
+a:active, a:focus { outline: 2px dashed #007acc; }
+
+p { font-size: .875em; line-height: 1.4em; }
+
+table { border-collapse: collapse; }
+
+td { vertical-align: top; }
+
+table tr.hidden { display: none !important; }
+
+p#no_rows { display: none; font-size: 1.2em; }
+
+a.nav { text-decoration: none; color: inherit; }
+
+a.nav:hover { text-decoration: underline; color: inherit; }
+
+#header { background: #f8f8f8; width: 100%; border-bottom: 1px solid #eee; }
+
+@media (prefers-color-scheme: dark) { #header { background: black; } }
+
+@media (prefers-color-scheme: dark) { #header { border-color: #333; } }
+
+.indexfile #footer { margin: 1rem 3rem; }
+
+.pyfile #footer { margin: 1rem 1rem; }
+
+#footer .content { padding: 0; color: #666; font-style: italic; }
+
+@media (prefers-color-scheme: dark) { #footer .content { color: #aaa; } }
+
+#index { margin: 1rem 0 0 3rem; }
+
+#header .content { padding: 1rem 3rem; }
+
+h1 { font-size: 1.25em; display: inline-block; }
+
+#filter_container { float: right; margin: 0 2em 0 0; }
+
+#filter_container input { width: 10em; padding: 0.2em 0.5em; border: 2px solid #ccc; background: #fff; color: #000; }
+
+@media (prefers-color-scheme: dark) { #filter_container input { border-color: #444; } }
+
+@media (prefers-color-scheme: dark) { #filter_container input { background: #1e1e1e; } }
+
+@media (prefers-color-scheme: dark) { #filter_container input { color: #eee; } }
+
+#filter_container input:focus { border-color: #007acc; }
+
+h2.stats { margin-top: .5em; font-size: 1em; }
+
+.stats button { font-family: inherit; font-size: inherit; border: 1px solid; border-radius: .2em; color: inherit; padding: .1em .5em; margin: 1px calc(.1em + 1px); cursor: pointer; border-color: #ccc; }
+
+@media (prefers-color-scheme: dark) { .stats button { border-color: #444; } }
+
+.stats button:active, .stats button:focus { outline: 2px dashed #007acc; }
+
+.stats button:active, .stats button:focus { outline: 2px dashed #007acc; }
+
+.stats button.run { background: #eeffee; }
+
+@media (prefers-color-scheme: dark) { .stats button.run { background: #373d29; } }
+
+.stats button.run.show_run { background: #dfd; border: 2px solid #00dd00; margin: 0 .1em; }
+
+@media (prefers-color-scheme: dark) { .stats button.run.show_run { background: #373d29; } }
+
+.stats button.mis { background: #ffeeee; }
+
+@media (prefers-color-scheme: dark) { .stats button.mis { background: #4b1818; } }
+
+.stats button.mis.show_mis { background: #fdd; border: 2px solid #ff0000; margin: 0 .1em; }
+
+@media (prefers-color-scheme: dark) { .stats button.mis.show_mis { background: #4b1818; } }
+
+.stats button.exc { background: #f7f7f7; }
+
+@media (prefers-color-scheme: dark) { .stats button.exc { background: #333; } }
+
+.stats button.exc.show_exc { background: #eee; border: 2px solid #808080; margin: 0 .1em; }
+
+@media (prefers-color-scheme: dark) { .stats button.exc.show_exc { background: #333; } }
+
+.stats button.par { background: #ffffd5; }
+
+@media (prefers-color-scheme: dark) { .stats button.par { background: #650; } }
+
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diff --git a/htmlcov/week05-testing_times_py.html b/htmlcov/week05-testing_times_py.html
new file mode 100644
index 0000000..bdafaaa
--- /dev/null
+++ b/htmlcov/week05-testing_times_py.html
@@ -0,0 +1,101 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=emulateIE7" />
+    <title>Coverage for week05-testing/times.py: 89%</title>
+    <link rel="stylesheet" href="style.css" type="text/css">
+    <script type="text/javascript" src="jquery.min.js"></script>
+    <script type="text/javascript" src="jquery.hotkeys.js"></script>
+    <script type="text/javascript" src="jquery.isonscreen.js"></script>
+    <script type="text/javascript" src="coverage_html.js"></script>
+    <script type="text/javascript">
+        jQuery(document).ready(coverage.pyfile_ready);
+    </script>
+</head>
+<body class="pyfile">
+<div id="header">
+    <div class="content">
+        <h1>Coverage for <b>week05-testing/times.py</b> :
+            <span class="pc_cov">89%</span>
+        </h1>
+        <img id="keyboard_icon" src="keybd_closed.png" alt="Show keyboard shortcuts" />
+        <h2 class="stats">
+            28 statements &nbsp;
+            <button type="button" class="run shortkey_r button_toggle_run" title="Toggle lines run">25 run</button>
+            <button type="button" class="mis show_mis shortkey_m button_toggle_mis" title="Toggle lines missing">3 missing</button>
+            <button type="button" class="exc show_exc shortkey_x button_toggle_exc" title="Toggle lines excluded">0 excluded</button>
+        </h2>
+    </div>
+</div>
+<div class="help_panel">
+    <img id="panel_icon" src="keybd_open.png" alt="Hide keyboard shortcuts" />
+    <p class="legend">Hot-keys on this page</p>
+    <div>
+    <p class="keyhelp">
+        <span class="key">r</span>
+        <span class="key">m</span>
+        <span class="key">x</span>
+        <span class="key">p</span> &nbsp; toggle line displays
+    </p>
+    <p class="keyhelp">
+        <span class="key">j</span>
+        <span class="key">k</span> &nbsp; next/prev highlighted chunk
+    </p>
+    <p class="keyhelp">
+        <span class="key">0</span> &nbsp; (zero) top of page
+    </p>
+    <p class="keyhelp">
+        <span class="key">1</span> &nbsp; (one) first highlighted chunk
+    </p>
+    </div>
+</div>
+<div id="source">
+    <p id="t1" class="run"><span class="n"><a href="#t1">1</a></span><span class="t"><span class="key">import</span> <span class="nam">datetime</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t2" class="pln"><span class="n"><a href="#t2">2</a></span><span class="t">&nbsp;</span><span class="r"></span></p>
+    <p id="t3" class="pln"><span class="n"><a href="#t3">3</a></span><span class="t">&nbsp;</span><span class="r"></span></p>
+    <p id="t4" class="run"><span class="n"><a href="#t4">4</a></span><span class="t"><span class="key">def</span> <span class="nam">time_range</span><span class="op">(</span><span class="nam">start_time</span><span class="op">,</span> <span class="nam">end_time</span><span class="op">,</span> <span class="nam">number_of_intervals</span><span class="op">=</span><span class="num">1</span><span class="op">,</span> <span class="nam">gap_between_intervals_s</span><span class="op">=</span><span class="num">0</span><span class="op">)</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t5" class="run"><span class="n"><a href="#t5">5</a></span><span class="t">    <span class="nam">start_time_s</span> <span class="op">=</span> <span class="nam">datetime</span><span class="op">.</span><span class="nam">datetime</span><span class="op">.</span><span class="nam">strptime</span><span class="op">(</span><span class="nam">start_time</span><span class="op">,</span> <span class="str">"%Y-%m-%d %H:%M:%S"</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t6" class="run"><span class="n"><a href="#t6">6</a></span><span class="t">    <span class="nam">end_time_s</span> <span class="op">=</span> <span class="nam">datetime</span><span class="op">.</span><span class="nam">datetime</span><span class="op">.</span><span class="nam">strptime</span><span class="op">(</span><span class="nam">end_time</span><span class="op">,</span> <span class="str">"%Y-%m-%d %H:%M:%S"</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t7" class="pln"><span class="n"><a href="#t7">7</a></span><span class="t">&nbsp;</span><span class="r"></span></p>
+    <p id="t8" class="run"><span class="n"><a href="#t8">8</a></span><span class="t">    <span class="key">if</span> <span class="nam">start_time</span> <span class="op">>=</span> <span class="nam">end_time</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t9" class="run"><span class="n"><a href="#t9">9</a></span><span class="t">        <span class="key">raise</span> <span class="nam">ValueError</span><span class="op">(</span><span class="str">"End time should be later than Start time."</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t10" class="pln"><span class="n"><a href="#t10">10</a></span><span class="t">&nbsp;</span><span class="r"></span></p>
+    <p id="t11" class="run"><span class="n"><a href="#t11">11</a></span><span class="t">    <span class="nam">d</span> <span class="op">=</span> <span class="op">(</span><span class="nam">end_time_s</span> <span class="op">-</span> <span class="nam">start_time_s</span><span class="op">)</span><span class="op">.</span><span class="nam">total_seconds</span><span class="op">(</span><span class="op">)</span> <span class="op">/</span> <span class="nam">number_of_intervals</span> <span class="op">+</span> <span class="nam">gap_between_intervals_s</span> <span class="op">*</span> <span class="op">(</span><span class="num">1</span> <span class="op">/</span> <span class="nam">number_of_intervals</span> <span class="op">-</span> <span class="num">1</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t12" class="run"><span class="n"><a href="#t12">12</a></span><span class="t">    <span class="nam">sec_range</span> <span class="op">=</span> <span class="op">[</span><span class="op">(</span><span class="nam">start_time_s</span> <span class="op">+</span> <span class="nam">datetime</span><span class="op">.</span><span class="nam">timedelta</span><span class="op">(</span><span class="nam">seconds</span><span class="op">=</span><span class="nam">i</span> <span class="op">*</span> <span class="nam">d</span> <span class="op">+</span> <span class="nam">i</span> <span class="op">*</span> <span class="nam">gap_between_intervals_s</span><span class="op">)</span><span class="op">,</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t13" class="pln"><span class="n"><a href="#t13">13</a></span><span class="t">                  <span class="nam">start_time_s</span> <span class="op">+</span> <span class="nam">datetime</span><span class="op">.</span><span class="nam">timedelta</span><span class="op">(</span><span class="nam">seconds</span><span class="op">=</span><span class="op">(</span><span class="nam">i</span> <span class="op">+</span> <span class="num">1</span><span class="op">)</span> <span class="op">*</span> <span class="nam">d</span> <span class="op">+</span> <span class="nam">i</span> <span class="op">*</span> <span class="nam">gap_between_intervals_s</span><span class="op">)</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t14" class="pln"><span class="n"><a href="#t14">14</a></span><span class="t">                 <span class="key">for</span> <span class="nam">i</span> <span class="key">in</span> <span class="nam">range</span><span class="op">(</span><span class="nam">number_of_intervals</span><span class="op">)</span><span class="op">]</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t15" class="run"><span class="n"><a href="#t15">15</a></span><span class="t">    <span class="key">return</span> <span class="op">[</span><span class="op">(</span><span class="nam">ta</span><span class="op">.</span><span class="nam">strftime</span><span class="op">(</span><span class="str">"%Y-%m-%d %H:%M:%S"</span><span class="op">)</span><span class="op">,</span> <span class="nam">tb</span><span class="op">.</span><span class="nam">strftime</span><span class="op">(</span><span class="str">"%Y-%m-%d %H:%M:%S"</span><span class="op">)</span><span class="op">)</span> <span class="key">for</span> <span class="nam">ta</span><span class="op">,</span> <span class="nam">tb</span> <span class="key">in</span> <span class="nam">sec_range</span><span class="op">]</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t16" class="pln"><span class="n"><a href="#t16">16</a></span><span class="t">&nbsp;</span><span class="r"></span></p>
+    <p id="t17" class="pln"><span class="n"><a href="#t17">17</a></span><span class="t">&nbsp;</span><span class="r"></span></p>
+    <p id="t18" class="run"><span class="n"><a href="#t18">18</a></span><span class="t"><span class="key">def</span> <span class="nam">compute_overlap_time</span><span class="op">(</span><span class="nam">range1</span><span class="op">,</span> <span class="nam">range2</span><span class="op">)</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t19" class="run"><span class="n"><a href="#t19">19</a></span><span class="t">    <span class="nam">overlap_time</span> <span class="op">=</span> <span class="op">[</span><span class="op">]</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t20" class="run"><span class="n"><a href="#t20">20</a></span><span class="t">    <span class="key">for</span> <span class="nam">start1</span><span class="op">,</span> <span class="nam">end1</span> <span class="key">in</span> <span class="nam">range1</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t21" class="run"><span class="n"><a href="#t21">21</a></span><span class="t">        <span class="key">for</span> <span class="nam">start2</span><span class="op">,</span> <span class="nam">end2</span> <span class="key">in</span> <span class="nam">range2</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t22" class="run"><span class="n"><a href="#t22">22</a></span><span class="t">            <span class="nam">low</span> <span class="op">=</span> <span class="key">None</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t23" class="run"><span class="n"><a href="#t23">23</a></span><span class="t">            <span class="nam">high</span> <span class="op">=</span> <span class="key">None</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t24" class="run"><span class="n"><a href="#t24">24</a></span><span class="t">            <span class="key">if</span> <span class="nam">start1</span> <span class="op">&lt;</span> <span class="nam">start2</span> <span class="op">&lt;</span> <span class="nam">end1</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t25" class="run"><span class="n"><a href="#t25">25</a></span><span class="t">                <span class="nam">low</span> <span class="op">=</span> <span class="nam">start2</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t26" class="run"><span class="n"><a href="#t26">26</a></span><span class="t">                <span class="nam">high</span> <span class="op">=</span> <span class="nam">min</span><span class="op">(</span><span class="nam">end1</span><span class="op">,</span> <span class="nam">end2</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t27" class="run"><span class="n"><a href="#t27">27</a></span><span class="t">            <span class="key">elif</span> <span class="nam">start2</span> <span class="op">&lt;</span> <span class="nam">start1</span> <span class="op">&lt;</span> <span class="nam">end2</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t28" class="run"><span class="n"><a href="#t28">28</a></span><span class="t">                <span class="nam">low</span> <span class="op">=</span> <span class="nam">start1</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t29" class="run"><span class="n"><a href="#t29">29</a></span><span class="t">                <span class="nam">high</span> <span class="op">=</span> <span class="nam">min</span><span class="op">(</span><span class="nam">end1</span><span class="op">,</span> <span class="nam">end2</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t30" class="run"><span class="n"><a href="#t30">30</a></span><span class="t">            <span class="key">if</span> <span class="nam">low</span> <span class="op">!=</span> <span class="key">None</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t31" class="run"><span class="n"><a href="#t31">31</a></span><span class="t">                <span class="nam">overlap_time</span><span class="op">.</span><span class="nam">append</span><span class="op">(</span><span class="op">(</span><span class="nam">low</span><span class="op">,</span> <span class="nam">high</span><span class="op">)</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t32" class="run"><span class="n"><a href="#t32">32</a></span><span class="t">    <span class="key">return</span> <span class="nam">overlap_time</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t33" class="pln"><span class="n"><a href="#t33">33</a></span><span class="t">&nbsp;</span><span class="r"></span></p>
+    <p id="t34" class="run"><span class="n"><a href="#t34">34</a></span><span class="t"><span class="key">if</span> <span class="nam">__name__</span> <span class="op">==</span> <span class="str">"__main__"</span><span class="op">:</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t35" class="mis show_mis"><span class="n"><a href="#t35">35</a></span><span class="t">    <span class="nam">large</span> <span class="op">=</span> <span class="nam">time_range</span><span class="op">(</span><span class="str">"2010-01-12 10:00:00"</span><span class="op">,</span> <span class="str">"2010-01-12 12:00:00"</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t36" class="mis show_mis"><span class="n"><a href="#t36">36</a></span><span class="t">    <span class="nam">short</span> <span class="op">=</span> <span class="nam">time_range</span><span class="op">(</span><span class="str">"2010-01-12 10:30:00"</span><span class="op">,</span> <span class="str">"2010-01-12 10:45:00"</span><span class="op">,</span> <span class="num">2</span><span class="op">,</span> <span class="num">60</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+    <p id="t37" class="mis show_mis"><span class="n"><a href="#t37">37</a></span><span class="t">    <span class="nam">print</span><span class="op">(</span><span class="nam">compute_overlap_time</span><span class="op">(</span><span class="nam">large</span><span class="op">,</span> <span class="nam">short</span><span class="op">)</span><span class="op">)</span>&nbsp;</span><span class="r"></span></p>
+</div>
+<div id="footer">
+    <div class="content">
+        <p>
+            <a class="nav" href="index.html">&#xab; index</a> &nbsp; &nbsp; <a class="nav" href="https://coverage.readthedocs.io">coverage.py v5.3</a>,
+            created at 2020-11-09 22:29 +0000
+        </p>
+    </div>
+</div>
+</body>
+</html>
diff --git a/requirements_conda.txt b/requirements_conda.txt
new file mode 100644
index 0000000..1edb4be
--- /dev/null
+++ b/requirements_conda.txt
@@ -0,0 +1,179 @@
+# This file may be used to create an environment using:
+# $ conda create --name <env> --file <this file>
+# platform: linux-64
+_libgcc_mutex=0.1=main
+appdirs=1.4.4=pypi_0
+argon2-cffi=20.1.0=py37h7b6447c_1
+asn1crypto=0.24.0=py37_0
+astroid=2.4.2=py37_0
+async_generator=1.10=py37h28b3542_0
+attrs=19.3.0=pypi_0
+bleach=3.2.1=py_0
+bzip2=1.0.8=h7b6447c_0
+ca-certificates=2020.10.14=0
+certifi=2020.6.20=pyhd3eb1b0_3
+cffi=1.12.3=py37h2e261b9_0
+chardet=3.0.4=py37_1003
+click=7.1.2=pypi_0
+conda=4.9.1=py37h06a4308_0
+conda-package-handling=1.3.11=py37_0
+cryptography=2.7=py37h1ba5d50_0
+cython=0.29.21=pypi_0
+daemonize=2.5.0=pypi_0
+dbus=1.13.18=hb2f20db_0
+decorator=4.4.2=py_0
+defusedxml=0.6.0=py_0
+dill=0.3.2=pypi_0
+distro=1.5.0=pypi_0
+dlx=1.0.4=pypi_0
+docplex=2.15.194=pypi_0
+entrypoints=0.3=py37_0
+expat=2.2.10=he6710b0_2
+fastdtw=0.3.4=pypi_0
+fastjsonschema=2.14.4=pypi_0
+fontconfig=2.13.0=h9420a91_0
+freetype=2.10.4=h5ab3b9f_0
+gettext=0.19.8.1=hd7bead4_3
+glib=2.58.3=py37h6f030ca_1002
+greenlet=0.4.15=pypi_0
+gst-plugins-base=1.14.0=hbbd80ab_1
+gstreamer=1.14.0=hb453b48_1
+h5py=2.10.0=pypi_0
+icu=58.2=he6710b0_3
+idna=2.8=py37_0
+importlib-metadata=1.7.0=pypi_0
+importlib_metadata=2.0.0=1
+inflection=0.5.0=pypi_0
+iniconfig=1.1.1=py_0
+inkscape-figures=1.0.8=pypi_0
+inotify=0.2.10=pypi_0
+ipykernel=5.3.4=py37h5ca1d4c_0
+ipython=5.8.0=py37_1
+ipython_genutils=0.2.0=py37_0
+ipywidgets=7.5.1=py_1
+isort=5.6.4=py_0
+jinja2=2.11.2=py_0
+joblib=0.16.0=pypi_0
+jpeg=9b=h024ee3a_2
+jsonschema=3.2.0=py_2
+jupyter=1.0.0=py37_7
+jupyter_client=6.1.7=py_0
+jupyter_console=5.2.0=py37_1
+jupyter_core=4.6.3=py37_0
+jupyterlab_pygments=0.1.2=py_0
+lazy-object-proxy=1.4.3=py37h7b6447c_0
+libarchive=3.3.3=h5d8350f_5
+libedit=3.1.20181209=hc058e9b_0
+libffi=3.2.1=hd88cf55_4
+libgcc-ng=9.1.0=hdf63c60_0
+libiconv=1.15=h63c8f33_5
+libpng=1.6.37=hbc83047_0
+libsodium=1.0.18=h7b6447c_0
+libstdcxx-ng=9.1.0=hdf63c60_0
+libuuid=1.0.3=h1bed415_2
+libxcb=1.14=h7b6447c_0
+libxml2=2.9.9=hea5a465_1
+lz4-c=1.8.1.2=h14c3975_0
+lzo=2.10=h49e0be7_2
+markupsafe=1.1.1=py37h14c3975_1
+marshmallow=3.7.1=pypi_0
+marshmallow-polyfield=5.9=pypi_0
+mccabe=0.6.1=py37_1
+mistune=0.8.4=py37h14c3975_1001
+more-itertools=8.4.0=pypi_0
+mpmath=1.1.0=pypi_0
+msgpack=0.6.1=pypi_0
+nbclient=0.5.1=py_0
+nbconvert=6.0.7=py37_0
+nbformat=5.0.8=py_0
+ncurses=6.1=he6710b0_1
+neovim-remote=2.2.0=pypi_0
+nest-asyncio=1.4.0=pypi_0
+networkx=2.4=pypi_0
+nose=1.3.7=pypi_0
+notebook=6.1.4=py37_0
+ntlm-auth=1.5.0=pypi_0
+numpy=1.19.0=pypi_0
+openssl=1.1.1h=h7b6447c_0
+packaging=20.4=py_0
+pandas=1.0.5=pypi_0
+pandoc=2.11=hb0f4dca_0
+pandocfilters=1.4.2=py37_1
+pcre=8.44=he6710b0_0
+pexpect=4.8.0=py37_1
+pickleshare=0.7.5=py37_1001
+pip=19.1.1=py37_0
+pluggy=0.13.1=py37_0
+ply=3.11=pypi_0
+prometheus_client=0.8.0=py_0
+prompt_toolkit=1.0.15=py_1
+psutil=5.6.3=pypi_0
+ptyprocess=0.6.0=py37_0
+py=1.9.0=py_0
+pybind11=2.5.0=pypi_0
+pycosat=0.6.3=py37h14c3975_0
+pycparser=2.19=py37_0
+pygments=2.7.2=pyhd3eb1b0_0
+pylint=2.6.0=py37_0
+pynvim=0.3.2=pypi_0
+pyopenssl=19.0.0=py37_0
+pyparsing=2.4.7=py_0
+pyperclip=1.8.0=pypi_0
+pyqt=5.9.2=py37h05f1152_2
+pyrsistent=0.16.0=pypi_0
+pyscf=1.7.3=pypi_0
+pysocks=1.7.0=py37_0
+pytest=6.1.1=py37_0
+python=3.7.3=h0371630_0
+python-constraint=1.4.0=pypi_0
+python-dateutil=2.8.1=py_0
+python-libarchive-c=2.8=py37_11
+pytz=2020.1=pypi_0
+pyzmq=19.0.2=py37he6710b0_1
+qiskit=0.19.6=pypi_0
+qiskit-aer=0.5.2=pypi_0
+qiskit-aqua=0.7.3=pypi_0
+qiskit-ibmq-provider=0.7.2=pypi_0
+qiskit-ignis=0.3.3=pypi_0
+qiskit-terra=0.14.2=pypi_0
+qt=5.9.7=h5867ecd_1
+qtconsole=4.7.7=py_0
+qtpy=1.9.0=py_0
+quandl=3.5.1=pypi_0
+readline=7.0=h7b6447c_5
+requests=2.22.0=py37_0
+requests-ntlm=1.1.0=pypi_0
+retworkx=0.4.0=pypi_0
+ruamel_yaml=0.15.46=py37h14c3975_0
+scikit-learn=0.23.1=pypi_0
+scipy=1.5.1=pypi_0
+send2trash=1.5.0=py37_0
+setuptools=41.0.1=py37_0
+simplegeneric=0.8.1=py37_2
+sip=4.19.8=py37hf484d3e_0
+six=1.12.0=py37_0
+sqlite=3.29.0=h7b6447c_0
+sympy=1.6.1=pypi_0
+terminado=0.9.1=py37_0
+testpath=0.4.4=py_0
+threadpoolctl=2.1.0=pypi_0
+tk=8.6.8=hbc83047_0
+toml=0.10.1=py_0
+tornado=6.0.4=py37h7b6447c_1
+tqdm=4.32.1=py_0
+traitlets=5.0.5=py_0
+typed-ast=1.4.1=py37h7b6447c_0
+unidecode=1.1.1=pypi_0
+urllib3=1.24.2=py37_0
+wcwidth=0.2.5=py_0
+webencodings=0.5.1=py37_1
+websockets=7.0=pypi_0
+wheel=0.33.4=py37_0
+widgetsnbextension=3.5.1=py37_0
+wrapt=1.11.2=py37h7b6447c_0
+xz=5.2.4=h14c3975_4
+yaml=0.1.7=had09818_2
+zeromq=4.3.3=he6710b0_3
+zipp=3.1.0=pypi_0
+zlib=1.2.11=h7b6447c_3
+zstd=1.3.7=h0b5b093_0
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From df849384efd99439c25b0035acf94912aa585ec7 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 22:59:40 +0000
Subject: [PATCH 19/32] fix travis yaml

---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 9731a0f..0f8d3c2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ before_install:
   - pip install -U pytest
   - pip install codecov
 install:
-  - pip install ".[test]" . # install package + test dependencies
+  - pip install requirements.txt
 script: 
   - pytest # run tests
   - pytest --cov="week05-testing" --cov-report=term

From 79dfe2985ac2856d939cfd3c3d1c4f6861c966e5 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 23:01:46 +0000
Subject: [PATCH 20/32] fix tarvis yaml

---
 .travis.yml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 0f8d3c2..2b52a9a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,15 +1,16 @@
 language: python
 python:
   - 2.7
-  - 3.5
   - 3.6
+  - 3.7
+  - 3.8
 before_install:
   - python --version
   - pip install -U pip
   - pip install -U pytest
   - pip install codecov
 install:
-  - pip install requirements.txt
+  - pip install -r requirements.txt
 script: 
   - pytest # run tests
   - pytest --cov="week05-testing" --cov-report=term

From eb886763794cde62eb794e827c815900011b32ac Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 23:09:42 +0000
Subject: [PATCH 21/32] fix testing bugs

---
 .travis.yml      | 6 ------
 requirements.txt | 3 +++
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 2b52a9a..819a657 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,15 +4,9 @@ python:
   - 3.6
   - 3.7
   - 3.8
-before_install:
-  - python --version
-  - pip install -U pip
-  - pip install -U pytest
-  - pip install codecov
 install:
   - pip install -r requirements.txt
 script: 
-  - pytest # run tests
   - pytest --cov="week05-testing" --cov-report=term
   - pytest week05-testing/
 after_success:
diff --git a/requirements.txt b/requirements.txt
index e69de29..76e4fb4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+pytest
+pytest-cov
+codecov
\ No newline at end of file

From abd688ce48214da7c98e8135411ebed6cef6f622 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 23:24:53 +0000
Subject: [PATCH 22/32] change travis badge to main

---
 README.md               | 2 +-
 week05-testing/times.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index af66cc0..168c4f1 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # rse-classwork-2020
-[![Build Status](https://travis-ci.com/kinianlo/rse-classwork-2020.svg?branch=week5testing)](https://travis-ci.com/kinianlo/rse-classwork-2020)
+[![Build Status](https://travis-ci.com/kinianlo/rse-classwork-2020.svg?branch=main)](https://travis-ci.com/kinianlo/rse-classwork-2020)
 
 We will use this repository to follow up and review all the exercises done in class for the
 [MPHY0021: Research Software Engineering With Python course](http://github-pages.ucl.ac.uk/rsd-engineeringcourse/).
diff --git a/week05-testing/times.py b/week05-testing/times.py
index dffcf1e..fcaee28 100644
--- a/week05-testing/times.py
+++ b/week05-testing/times.py
@@ -8,7 +8,7 @@ def time_range(start_time, end_time, number_of_intervals=1, gap_between_interval
     if start_time >= end_time:
         raise ValueError("End time should be later than Start time.")
 
-    d = (end_time_s - start_time_s).total_seconds() / number_of_intervals + gap_between_intervals_s * (1 / number_of_intervals - 1)
+    d = 1.0 * (end_time_s - start_time_s).total_seconds() / number_of_intervals + gap_between_intervals_s * (1.0 / number_of_intervals - 1.0)
     sec_range = [(start_time_s + datetime.timedelta(seconds=i * d + i * gap_between_intervals_s),
                   start_time_s + datetime.timedelta(seconds=(i + 1) * d + i * gap_between_intervals_s))
                  for i in range(number_of_intervals)]

From 607f8602e4cff9143e8e866c3dbe352919fd686c Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 23:25:12 +0000
Subject: [PATCH 23/32] delete requirements_conda.txt

---
 requirements_conda.txt | 179 -----------------------------------------
 1 file changed, 179 deletions(-)
 delete mode 100644 requirements_conda.txt

diff --git a/requirements_conda.txt b/requirements_conda.txt
deleted file mode 100644
index 1edb4be..0000000
--- a/requirements_conda.txt
+++ /dev/null
@@ -1,179 +0,0 @@
-# This file may be used to create an environment using:
-# $ conda create --name <env> --file <this file>
-# platform: linux-64
-_libgcc_mutex=0.1=main
-appdirs=1.4.4=pypi_0
-argon2-cffi=20.1.0=py37h7b6447c_1
-asn1crypto=0.24.0=py37_0
-astroid=2.4.2=py37_0
-async_generator=1.10=py37h28b3542_0
-attrs=19.3.0=pypi_0
-bleach=3.2.1=py_0
-bzip2=1.0.8=h7b6447c_0
-ca-certificates=2020.10.14=0
-certifi=2020.6.20=pyhd3eb1b0_3
-cffi=1.12.3=py37h2e261b9_0
-chardet=3.0.4=py37_1003
-click=7.1.2=pypi_0
-conda=4.9.1=py37h06a4308_0
-conda-package-handling=1.3.11=py37_0
-cryptography=2.7=py37h1ba5d50_0
-cython=0.29.21=pypi_0
-daemonize=2.5.0=pypi_0
-dbus=1.13.18=hb2f20db_0
-decorator=4.4.2=py_0
-defusedxml=0.6.0=py_0
-dill=0.3.2=pypi_0
-distro=1.5.0=pypi_0
-dlx=1.0.4=pypi_0
-docplex=2.15.194=pypi_0
-entrypoints=0.3=py37_0
-expat=2.2.10=he6710b0_2
-fastdtw=0.3.4=pypi_0
-fastjsonschema=2.14.4=pypi_0
-fontconfig=2.13.0=h9420a91_0
-freetype=2.10.4=h5ab3b9f_0
-gettext=0.19.8.1=hd7bead4_3
-glib=2.58.3=py37h6f030ca_1002
-greenlet=0.4.15=pypi_0
-gst-plugins-base=1.14.0=hbbd80ab_1
-gstreamer=1.14.0=hb453b48_1
-h5py=2.10.0=pypi_0
-icu=58.2=he6710b0_3
-idna=2.8=py37_0
-importlib-metadata=1.7.0=pypi_0
-importlib_metadata=2.0.0=1
-inflection=0.5.0=pypi_0
-iniconfig=1.1.1=py_0
-inkscape-figures=1.0.8=pypi_0
-inotify=0.2.10=pypi_0
-ipykernel=5.3.4=py37h5ca1d4c_0
-ipython=5.8.0=py37_1
-ipython_genutils=0.2.0=py37_0
-ipywidgets=7.5.1=py_1
-isort=5.6.4=py_0
-jinja2=2.11.2=py_0
-joblib=0.16.0=pypi_0
-jpeg=9b=h024ee3a_2
-jsonschema=3.2.0=py_2
-jupyter=1.0.0=py37_7
-jupyter_client=6.1.7=py_0
-jupyter_console=5.2.0=py37_1
-jupyter_core=4.6.3=py37_0
-jupyterlab_pygments=0.1.2=py_0
-lazy-object-proxy=1.4.3=py37h7b6447c_0
-libarchive=3.3.3=h5d8350f_5
-libedit=3.1.20181209=hc058e9b_0
-libffi=3.2.1=hd88cf55_4
-libgcc-ng=9.1.0=hdf63c60_0
-libiconv=1.15=h63c8f33_5
-libpng=1.6.37=hbc83047_0
-libsodium=1.0.18=h7b6447c_0
-libstdcxx-ng=9.1.0=hdf63c60_0
-libuuid=1.0.3=h1bed415_2
-libxcb=1.14=h7b6447c_0
-libxml2=2.9.9=hea5a465_1
-lz4-c=1.8.1.2=h14c3975_0
-lzo=2.10=h49e0be7_2
-markupsafe=1.1.1=py37h14c3975_1
-marshmallow=3.7.1=pypi_0
-marshmallow-polyfield=5.9=pypi_0
-mccabe=0.6.1=py37_1
-mistune=0.8.4=py37h14c3975_1001
-more-itertools=8.4.0=pypi_0
-mpmath=1.1.0=pypi_0
-msgpack=0.6.1=pypi_0
-nbclient=0.5.1=py_0
-nbconvert=6.0.7=py37_0
-nbformat=5.0.8=py_0
-ncurses=6.1=he6710b0_1
-neovim-remote=2.2.0=pypi_0
-nest-asyncio=1.4.0=pypi_0
-networkx=2.4=pypi_0
-nose=1.3.7=pypi_0
-notebook=6.1.4=py37_0
-ntlm-auth=1.5.0=pypi_0
-numpy=1.19.0=pypi_0
-openssl=1.1.1h=h7b6447c_0
-packaging=20.4=py_0
-pandas=1.0.5=pypi_0
-pandoc=2.11=hb0f4dca_0
-pandocfilters=1.4.2=py37_1
-pcre=8.44=he6710b0_0
-pexpect=4.8.0=py37_1
-pickleshare=0.7.5=py37_1001
-pip=19.1.1=py37_0
-pluggy=0.13.1=py37_0
-ply=3.11=pypi_0
-prometheus_client=0.8.0=py_0
-prompt_toolkit=1.0.15=py_1
-psutil=5.6.3=pypi_0
-ptyprocess=0.6.0=py37_0
-py=1.9.0=py_0
-pybind11=2.5.0=pypi_0
-pycosat=0.6.3=py37h14c3975_0
-pycparser=2.19=py37_0
-pygments=2.7.2=pyhd3eb1b0_0
-pylint=2.6.0=py37_0
-pynvim=0.3.2=pypi_0
-pyopenssl=19.0.0=py37_0
-pyparsing=2.4.7=py_0
-pyperclip=1.8.0=pypi_0
-pyqt=5.9.2=py37h05f1152_2
-pyrsistent=0.16.0=pypi_0
-pyscf=1.7.3=pypi_0
-pysocks=1.7.0=py37_0
-pytest=6.1.1=py37_0
-python=3.7.3=h0371630_0
-python-constraint=1.4.0=pypi_0
-python-dateutil=2.8.1=py_0
-python-libarchive-c=2.8=py37_11
-pytz=2020.1=pypi_0
-pyzmq=19.0.2=py37he6710b0_1
-qiskit=0.19.6=pypi_0
-qiskit-aer=0.5.2=pypi_0
-qiskit-aqua=0.7.3=pypi_0
-qiskit-ibmq-provider=0.7.2=pypi_0
-qiskit-ignis=0.3.3=pypi_0
-qiskit-terra=0.14.2=pypi_0
-qt=5.9.7=h5867ecd_1
-qtconsole=4.7.7=py_0
-qtpy=1.9.0=py_0
-quandl=3.5.1=pypi_0
-readline=7.0=h7b6447c_5
-requests=2.22.0=py37_0
-requests-ntlm=1.1.0=pypi_0
-retworkx=0.4.0=pypi_0
-ruamel_yaml=0.15.46=py37h14c3975_0
-scikit-learn=0.23.1=pypi_0
-scipy=1.5.1=pypi_0
-send2trash=1.5.0=py37_0
-setuptools=41.0.1=py37_0
-simplegeneric=0.8.1=py37_2
-sip=4.19.8=py37hf484d3e_0
-six=1.12.0=py37_0
-sqlite=3.29.0=h7b6447c_0
-sympy=1.6.1=pypi_0
-terminado=0.9.1=py37_0
-testpath=0.4.4=py_0
-threadpoolctl=2.1.0=pypi_0
-tk=8.6.8=hbc83047_0
-toml=0.10.1=py_0
-tornado=6.0.4=py37h7b6447c_1
-tqdm=4.32.1=py_0
-traitlets=5.0.5=py_0
-typed-ast=1.4.1=py37h7b6447c_0
-unidecode=1.1.1=pypi_0
-urllib3=1.24.2=py37_0
-wcwidth=0.2.5=py_0
-webencodings=0.5.1=py37_1
-websockets=7.0=pypi_0
-wheel=0.33.4=py37_0
-widgetsnbextension=3.5.1=py37_0
-wrapt=1.11.2=py37h7b6447c_0
-xz=5.2.4=h14c3975_4
-yaml=0.1.7=had09818_2
-zeromq=4.3.3=he6710b0_3
-zipp=3.1.0=pypi_0
-zlib=1.2.11=h7b6447c_3
-zstd=1.3.7=h0b5b093_0

From 90483e11cd105d38f366523fe97af1e688b5a9b9 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Mon, 9 Nov 2020 23:28:21 +0000
Subject: [PATCH 24/32] add codecov badge

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 168c4f1..02f22e7 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 # rse-classwork-2020
 [![Build Status](https://travis-ci.com/kinianlo/rse-classwork-2020.svg?branch=main)](https://travis-ci.com/kinianlo/rse-classwork-2020)
+[![codecov](https://codecov.io/gh/kinianlo/rse-classwork-2020/branch/main/graph/badge.svg?token=S1TNP89E2Z)](https://codecov.io/gh/kinianlo/rse-classwork-2020)
 
 We will use this repository to follow up and review all the exercises done in class for the
 [MPHY0021: Research Software Engineering With Python course](http://github-pages.ucl.ac.uk/rsd-engineeringcourse/).

From 9ed24ad70267877f4e851de7080e6eb3941a17e2 Mon Sep 17 00:00:00 2001
From: Haroon Chughtai <h.chughtai@ucl.ac.uk>
Date: Tue, 10 Nov 2020 15:48:17 +0000
Subject: [PATCH 25/32] Code and structure for week06 docs exercises

---
 .../average_squares/squares.py                | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 week06/average-squares-example/average_squares/squares.py

diff --git a/week06/average-squares-example/average_squares/squares.py b/week06/average-squares-example/average_squares/squares.py
new file mode 100644
index 0000000..d7e454e
--- /dev/null
+++ b/week06/average-squares-example/average_squares/squares.py
@@ -0,0 +1,62 @@
+"""Computation of weighted average of squares."""
+
+
+def average_of_squares(list_of_numbers, list_of_weights=None):
+    """ Return the weighted average of a list of values.
+    
+    By default, all values are equally weighted, but this can be changed
+    by the list_of_weights argument.
+    
+    Example:
+    --------
+    >>> average_of_squares([1, 2, 4])
+    7.0
+    >>> average_of_squares([2, 4], [1, 0.5])
+    6.0
+    >>> average_of_squares([1, 2, 4], [1, 0.5])
+    Traceback (most recent call last):
+    AssertionError: weights and numbers must have same length
+
+    """
+    if list_of_weights is not None:
+        assert len(list_of_weights) == len(list_of_numbers), \
+            "weights and numbers must have same length"
+        effective_weights = list_of_weights
+    else:
+        effective_weights = [1] * len(list_of_numbers)
+    squares = [
+        weight * number * number
+        for number, weight
+        in zip(list_of_numbers, effective_weights)
+    ]
+    return sum(squares)
+
+
+def convert_numbers(list_of_strings):
+    """Convert a list of strings into numbers, ignoring whitespace.
+    
+    Example:
+    --------
+    >>> convert_numbers(["4", " 8 ", "15 16", " 23    42 "])
+    [4, 8, 15, 16]
+
+    """
+    all_numbers = []
+    for s in list_of_strings:
+        # Take each string in the list, split it into substrings separated by
+        # whitespace, and collect them into a single list...
+        all_numbers.extend([token.strip() for token in s.split()])
+    # ...then convert each substring into a number
+    return [float(number_string) for number_string in all_numbers]
+
+
+if __name__ == "__main__":
+    numbers_strings = ["1","2","4"]
+    weight_strings = ["1","1","1"]        
+    
+    numbers = convert_numbers(numbers_strings)
+    weights = convert_numbers(weight_strings)
+    
+    result = average_of_squares(numbers, weights)
+    
+    print(result)
\ No newline at end of file

From 8423020eb853c4e9420b87f483789f7628fb2742 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Tue, 10 Nov 2020 17:02:14 +0000
Subject: [PATCH 26/32] add gitignore

---
 .gitignore | 138 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5391d87
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,138 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
\ No newline at end of file

From 65870adc3454cf97dc16192f1e576899e24ac1df Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Tue, 10 Nov 2020 17:04:14 +0000
Subject: [PATCH 27/32] update gitignore

---
 .gitignore | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 5391d87..2c38787 100644
--- a/.gitignore
+++ b/.gitignore
@@ -135,4 +135,6 @@ dmypy.json
 .pytype/
 
 # Cython debug symbols
-cython_debug/
\ No newline at end of file
+cython_debug/
+
+.idea/
\ No newline at end of file

From a2e3db0a70cd2a61f5e8692274d802500cadf1d7 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Tue, 10 Nov 2020 18:25:41 +0000
Subject: [PATCH 28/32] add iss passes

---
 requirements.txt             |  3 ++-
 week05-testing/test_times.py | 15 +++++++++++----
 week05-testing/times.py      | 35 +++++++++++++++++++++++++++++++----
 3 files changed, 44 insertions(+), 9 deletions(-)

diff --git a/requirements.txt b/requirements.txt
index 76e4fb4..12df289 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
 pytest
 pytest-cov
-codecov
\ No newline at end of file
+codecov
+requests
\ No newline at end of file
diff --git a/week05-testing/test_times.py b/week05-testing/test_times.py
index 466bbc0..73824f9 100644
--- a/week05-testing/test_times.py
+++ b/week05-testing/test_times.py
@@ -1,8 +1,7 @@
-from times import compute_overlap_time, time_range
-from datetime import datetime
+from times import compute_overlap_time, time_range, iss_passes, fetch_iss_passes, json_to_passes
 import pytest
-
-from times import compute_overlap_time, time_range
+from unittest.mock import patch
+import requests
 
 @pytest.mark.parametrize("range1, range2, expected",
 [(time_range("2010-01-12 10:00:00", "2010-01-12 12:00:00"),
@@ -26,3 +25,11 @@ def test_backward():
     with pytest.raises(ValueError) as e:
         time_range("2010-01-12 13:00:00", "2010-01-12 12:00:00")
         assert e.match('End time should be later than Start time.')
+
+def test_fetch_iss_passes():
+    with patch.object(requests, "get") as mock_get:
+        passes = fetch_iss_passes(0.1, 0.1, 3)
+        mock_get.assert_called_with(
+                "http://api.open-notify.org/iss-pass.json",
+                params={'lat': 0.1, 'lon':0.1, 'n':3}
+        )
diff --git a/week05-testing/times.py b/week05-testing/times.py
index fcaee28..d1186e2 100644
--- a/week05-testing/times.py
+++ b/week05-testing/times.py
@@ -1,5 +1,6 @@
 import datetime
-
+import requests
+import json
 
 def time_range(start_time, end_time, number_of_intervals=1, gap_between_intervals_s=0):
     start_time_s = datetime.datetime.strptime(start_time, "%Y-%m-%d %H:%M:%S")
@@ -31,7 +32,33 @@ def compute_overlap_time(range1, range2):
                 overlap_time.append((low, high))
     return overlap_time
 
+def fetch_iss_passes(lat, lon, n=1):
+    params = {}
+    params['lat'] = lat
+    params['lon'] = lon
+    params['n'] = n
+    return requests.get("http://api.open-notify.org/iss-pass.json", params=params)
+
+def json_to_passes(data):
+    passes = []
+    for d in data['response']:
+        duration = d['duration']
+        risetime = d['risetime']
+        passes.append((datetime.datetime.fromtimestamp(risetime),
+                       datetime.datetime.fromtimestamp(risetime + duration)))
+    return passes
+
+def iss_passes(lat, lon, n=1):
+    if lat < -80 or lat > 80 or lat == 0:
+        raise ValueError("Latitude must be non-zero and between -80 and 80.")
+    if lon < -180 or lon > 180 or lon == 0:
+        raise ValueError("Longitude must be non-zero and between -180 and 180")
+    if int(n) != n or n < 1:
+        raise ValueError("n must be a positive integer.")
+
+    data = json.loads(fetch_iss_passes(lat, lon, n).text)
+    passes = json_to_passes(data)
+    return [(ta.strftime("%Y-%m-%d %H:%M:%S"), tb.strftime("%Y-%m-%d %H:%M:%S")) for ta, tb in passes]
+
 if __name__ == "__main__":
-    large = time_range("2010-01-12 10:00:00", "2010-01-12 12:00:00")
-    short = time_range("2010-01-12 10:30:00", "2010-01-12 10:45:00", 2, 60)
-    print(compute_overlap_time(large, short))
\ No newline at end of file
+    print(iss_passes(23, 5, 3))
\ No newline at end of file

From a86c1f7e9d60dbad58c20b8595f2dbb6749d0ab7 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Tue, 10 Nov 2020 18:29:14 +0000
Subject: [PATCH 29/32] remove python 2.7 from travis

---
 .travis.yml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 819a657..76d716b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,5 @@
 language: python
 python:
-  - 2.7
   - 3.6
   - 3.7
   - 3.8

From b3dbde301dc79bc899e53ba091866a4315d364a0 Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Thu, 19 Nov 2020 16:35:52 +0000
Subject: [PATCH 30/32] update fixture

---
 .gitignore                  | 4 +++-
 .vscode/settings.json       | 8 ++++++++
 week05-testing/fixture.yaml | 2 ++
 3 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 .vscode/settings.json
 create mode 100644 week05-testing/fixture.yaml

diff --git a/.gitignore b/.gitignore
index 2c38787..5a05029 100644
--- a/.gitignore
+++ b/.gitignore
@@ -137,4 +137,6 @@ dmypy.json
 # Cython debug symbols
 cython_debug/
 
-.idea/
\ No newline at end of file
+.idea/
+week05-testing/__pycache__/test_times.cpython-37-pytest-6.1.1.pyc
+week05-testing/__pycache__/times.cpython-37.pyc
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..2421e38
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,8 @@
+{
+    "files.exclude": {
+        "**/.classpath": true,
+        "**/.project": true,
+        "**/.settings": true,
+        "**/.factorypath": true
+    }
+}
\ No newline at end of file
diff --git a/week05-testing/fixture.yaml b/week05-testing/fixture.yaml
new file mode 100644
index 0000000..44a9c6a
--- /dev/null
+++ b/week05-testing/fixture.yaml
@@ -0,0 +1,2 @@
+- generic:
+    time_range_1: [1, 2]
\ No newline at end of file

From 3f813dc05dc74c49710c0400a9db665d4898021f Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Thu, 19 Nov 2020 16:52:48 +0000
Subject: [PATCH 31/32] fix doctest bugs

---
 week06/average-squares-example/average_squares/squares.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/week06/average-squares-example/average_squares/squares.py b/week06/average-squares-example/average_squares/squares.py
index d7e454e..7945a9f 100644
--- a/week06/average-squares-example/average_squares/squares.py
+++ b/week06/average-squares-example/average_squares/squares.py
@@ -12,7 +12,7 @@ def average_of_squares(list_of_numbers, list_of_weights=None):
     >>> average_of_squares([1, 2, 4])
     7.0
     >>> average_of_squares([2, 4], [1, 0.5])
-    6.0
+    8.0
     >>> average_of_squares([1, 2, 4], [1, 0.5])
     Traceback (most recent call last):
     AssertionError: weights and numbers must have same length
@@ -29,7 +29,7 @@ def average_of_squares(list_of_numbers, list_of_weights=None):
         for number, weight
         in zip(list_of_numbers, effective_weights)
     ]
-    return sum(squares)
+    return sum(squares)/sum(effective_weights)
 
 
 def convert_numbers(list_of_strings):
@@ -38,7 +38,7 @@ def convert_numbers(list_of_strings):
     Example:
     --------
     >>> convert_numbers(["4", " 8 ", "15 16", " 23    42 "])
-    [4, 8, 15, 16]
+    [4.0, 8.0, 15.0, 16.0, 23.0, 42.0]
 
     """
     all_numbers = []

From cdafac6c6ca5a7ec21b41a13bb161bb3889fc7ed Mon Sep 17 00:00:00 2001
From: Kin Ian Lo <keonlo123@gmail.com>
Date: Thu, 19 Nov 2020 17:51:49 +0000
Subject: [PATCH 32/32] Add docs

---
 .../average_squares/squares.py                |     3 +
 week06/average-squares-example/docs/Makefile  |    20 +
 .../content/average-squares-docs.doctree      |   Bin 0 -> 8853 bytes
 .../docs/_build/doctrees/environment.pickle   |   Bin 0 -> 5240 bytes
 .../docs/_build/doctrees/index.doctree        |   Bin 0 -> 5202 bytes
 .../docs/_build/html/.buildinfo               |     4 +
 .../content/average-squares-docs.rst.txt      |     5 +
 .../docs/_build/html/_sources/index.rst.txt   |    23 +
 .../docs/_build/html/_static/ajax-loader.gif  |   Bin 0 -> 673 bytes
 .../docs/_build/html/_static/alabaster.css    |   607 +
 .../docs/_build/html/_static/basic.css        |   648 +
 .../docs/_build/html/_static/classic.css      |   261 +
 .../_build/html/_static/comment-bright.png    |   Bin 0 -> 756 bytes
 .../_build/html/_static/comment-close.png     |   Bin 0 -> 829 bytes
 .../docs/_build/html/_static/comment.png      |   Bin 0 -> 641 bytes
 .../docs/_build/html/_static/custom.css       |     1 +
 .../docs/_build/html/_static/doctools.js      |   311 +
 .../docs/_build/html/_static/down-pressed.png |   Bin 0 -> 222 bytes
 .../docs/_build/html/_static/down.png         |   Bin 0 -> 202 bytes
 .../docs/_build/html/_static/file.png         |   Bin 0 -> 286 bytes
 .../docs/_build/html/_static/jquery.js        | 10253 ++++++++++++++++
 .../docs/_build/html/_static/minus.png        |   Bin 0 -> 90 bytes
 .../docs/_build/html/_static/plus.png         |   Bin 0 -> 90 bytes
 .../docs/_build/html/_static/pygments.css     |    69 +
 .../docs/_build/html/_static/searchtools.js   |   761 ++
 .../docs/_build/html/_static/sidebar.js       |   159 +
 .../docs/_build/html/_static/underscore.js    |  1548 +++
 .../docs/_build/html/_static/up-pressed.png   |   Bin 0 -> 214 bytes
 .../docs/_build/html/_static/up.png           |   Bin 0 -> 203 bytes
 .../docs/_build/html/_static/websupport.js    |   808 ++
 .../html/content/average-squares-docs.html    |   128 +
 .../docs/_build/html/genindex.html            |   114 +
 .../docs/_build/html/index.html               |   113 +
 .../docs/_build/html/objects.inv              |     6 +
 .../docs/_build/html/py-modindex.html         |   111 +
 .../docs/_build/html/search.html              |   105 +
 .../docs/_build/html/searchindex.js           |     1 +
 week06/average-squares-example/docs/conf.py   |   169 +
 .../docs/content/average-squares-docs.rst     |     5 +
 week06/average-squares-example/docs/index.rst |    23 +
 week06/average-squares-example/docs/make.bat  |    36 +
 41 files changed, 16292 insertions(+)
 create mode 100644 week06/average-squares-example/docs/Makefile
 create mode 100644 week06/average-squares-example/docs/_build/doctrees/content/average-squares-docs.doctree
 create mode 100644 week06/average-squares-example/docs/_build/doctrees/environment.pickle
 create mode 100644 week06/average-squares-example/docs/_build/doctrees/index.doctree
 create mode 100644 week06/average-squares-example/docs/_build/html/.buildinfo
 create mode 100644 week06/average-squares-example/docs/_build/html/_sources/content/average-squares-docs.rst.txt
 create mode 100644 week06/average-squares-example/docs/_build/html/_sources/index.rst.txt
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/ajax-loader.gif
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/alabaster.css
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/basic.css
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/classic.css
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/comment-bright.png
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/comment-close.png
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/comment.png
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/custom.css
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/doctools.js
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/down-pressed.png
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/down.png
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/file.png
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/jquery.js
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/minus.png
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/plus.png
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/pygments.css
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/searchtools.js
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/sidebar.js
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/underscore.js
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/up-pressed.png
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/up.png
 create mode 100644 week06/average-squares-example/docs/_build/html/_static/websupport.js
 create mode 100644 week06/average-squares-example/docs/_build/html/content/average-squares-docs.html
 create mode 100644 week06/average-squares-example/docs/_build/html/genindex.html
 create mode 100644 week06/average-squares-example/docs/_build/html/index.html
 create mode 100644 week06/average-squares-example/docs/_build/html/objects.inv
 create mode 100644 week06/average-squares-example/docs/_build/html/py-modindex.html
 create mode 100644 week06/average-squares-example/docs/_build/html/search.html
 create mode 100644 week06/average-squares-example/docs/_build/html/searchindex.js
 create mode 100644 week06/average-squares-example/docs/conf.py
 create mode 100644 week06/average-squares-example/docs/content/average-squares-docs.rst
 create mode 100644 week06/average-squares-example/docs/index.rst
 create mode 100644 week06/average-squares-example/docs/make.bat

diff --git a/week06/average-squares-example/average_squares/squares.py b/week06/average-squares-example/average_squares/squares.py
index 7945a9f..0712557 100644
--- a/week06/average-squares-example/average_squares/squares.py
+++ b/week06/average-squares-example/average_squares/squares.py
@@ -3,6 +3,9 @@
 
 def average_of_squares(list_of_numbers, list_of_weights=None):
     """ Return the weighted average of a list of values.
+
+    .. math::
+        \\frac{\sum_{i=0}^{N-1} w_i x_{i}^2}{\sum_{i=0}^{N-1} w_i}
     
     By default, all values are equally weighted, but this can be changed
     by the list_of_weights argument.
diff --git a/week06/average-squares-example/docs/Makefile b/week06/average-squares-example/docs/Makefile
new file mode 100644
index 0000000..924d1c5
--- /dev/null
+++ b/week06/average-squares-example/docs/Makefile
@@ -0,0 +1,20 @@
+# Minimal makefile for Sphinx documentation
+#
+
+# You can set these variables from the command line.
+SPHINXOPTS    =
+SPHINXBUILD   = sphinx-build
+SPHINXPROJ    = averagesquares
+SOURCEDIR     = .
+BUILDDIR      = _build
+
+# Put it first so that "make" without argument is like "make help".
+help:
+	@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+
+.PHONY: help Makefile
+
+# Catch-all target: route all unknown targets to Sphinx using the new
+# "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
+%: Makefile
+	@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
\ No newline at end of file
diff --git a/week06/average-squares-example/docs/_build/doctrees/content/average-squares-docs.doctree b/week06/average-squares-example/docs/_build/doctrees/content/average-squares-docs.doctree
new file mode 100644
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+# This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
+config: 1ec56ddb7d6513b342a50d646334d680
+tags: 645f666f9bcd5a90fca523b33c5a78b7
diff --git a/week06/average-squares-example/docs/_build/html/_sources/content/average-squares-docs.rst.txt b/week06/average-squares-example/docs/_build/html/_sources/content/average-squares-docs.rst.txt
new file mode 100644
index 0000000..dfda218
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/_sources/content/average-squares-docs.rst.txt
@@ -0,0 +1,5 @@
+Average Squares Documentation
+=============================
+
+.. automodule:: average_squares.squares
+    :members:
\ No newline at end of file
diff --git a/week06/average-squares-example/docs/_build/html/_sources/index.rst.txt b/week06/average-squares-example/docs/_build/html/_sources/index.rst.txt
new file mode 100644
index 0000000..006d4b4
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/_sources/index.rst.txt
@@ -0,0 +1,23 @@
+.. average squares documentation master file, created by
+   sphinx-quickstart on Thu Nov 19 17:07:01 2020.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+Welcome to average squares's documentation!
+===========================================
+This pointless project helps you to calculate the weighted average of a list of numbers. Lovely.
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+   content/average-squares-docs
+
+
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`
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+}
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+    margin: 20px auto 30px auto;
+    font-size: 14px;
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diff --git a/week06/average-squares-example/docs/_build/html/_static/basic.css b/week06/average-squares-example/docs/_build/html/_static/basic.css
new file mode 100644
index 0000000..607b5f5
--- /dev/null
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+    visibility: visible;
+}
+
+div.body p.caption {
+    text-align: inherit;
+}
+
+div.body td {
+    text-align: left;
+}
+
+.first {
+    margin-top: 0 !important;
+}
+
+p.rubric {
+    margin-top: 30px;
+    font-weight: bold;
+}
+
+img.align-left, .figure.align-left, object.align-left {
+    clear: left;
+    float: left;
+    margin-right: 1em;
+}
+
+img.align-right, .figure.align-right, object.align-right {
+    clear: right;
+    float: right;
+    margin-left: 1em;
+}
+
+img.align-center, .figure.align-center, object.align-center {
+  display: block;
+  margin-left: auto;
+  margin-right: auto;
+}
+
+.align-left {
+    text-align: left;
+}
+
+.align-center {
+    text-align: center;
+}
+
+.align-right {
+    text-align: right;
+}
+
+/* -- sidebars -------------------------------------------------------------- */
+
+div.sidebar {
+    margin: 0 0 0.5em 1em;
+    border: 1px solid #ddb;
+    padding: 7px 7px 0 7px;
+    background-color: #ffe;
+    width: 40%;
+    float: right;
+}
+
+p.sidebar-title {
+    font-weight: bold;
+}
+
+/* -- topics ---------------------------------------------------------------- */
+
+div.topic {
+    border: 1px solid #ccc;
+    padding: 7px 7px 0 7px;
+    margin: 10px 0 10px 0;
+}
+
+p.topic-title {
+    font-size: 1.1em;
+    font-weight: bold;
+    margin-top: 10px;
+}
+
+/* -- admonitions ----------------------------------------------------------- */
+
+div.admonition {
+    margin-top: 10px;
+    margin-bottom: 10px;
+    padding: 7px;
+}
+
+div.admonition dt {
+    font-weight: bold;
+}
+
+div.admonition dl {
+    margin-bottom: 0;
+}
+
+p.admonition-title {
+    margin: 0px 10px 5px 0px;
+    font-weight: bold;
+}
+
+div.body p.centered {
+    text-align: center;
+    margin-top: 25px;
+}
+
+/* -- tables ---------------------------------------------------------------- */
+
+table.docutils {
+    border: 0;
+    border-collapse: collapse;
+}
+
+table.align-center {
+    margin-left: auto;
+    margin-right: auto;
+}
+
+table caption span.caption-number {
+    font-style: italic;
+}
+
+table caption span.caption-text {
+}
+
+table.docutils td, table.docutils th {
+    padding: 1px 8px 1px 5px;
+    border-top: 0;
+    border-left: 0;
+    border-right: 0;
+    border-bottom: 1px solid #aaa;
+}
+
+table.footnote td, table.footnote th {
+    border: 0 !important;
+}
+
+th {
+    text-align: left;
+    padding-right: 5px;
+}
+
+table.citation {
+    border-left: solid 1px gray;
+    margin-left: 1px;
+}
+
+table.citation td {
+    border-bottom: none;
+}
+
+/* -- figures --------------------------------------------------------------- */
+
+div.figure {
+    margin: 0.5em;
+    padding: 0.5em;
+}
+
+div.figure p.caption {
+    padding: 0.3em;
+}
+
+div.figure p.caption span.caption-number {
+    font-style: italic;
+}
+
+div.figure p.caption span.caption-text {
+}
+
+/* -- field list styles ----------------------------------------------------- */
+
+table.field-list td, table.field-list th {
+    border: 0 !important;
+}
+
+.field-list ul {
+    margin: 0;
+    padding-left: 1em;
+}
+
+.field-list p {
+    margin: 0;
+}
+
+.field-name {
+    -moz-hyphens: manual;
+    -ms-hyphens: manual;
+    -webkit-hyphens: manual;
+    hyphens: manual;
+}
+
+/* -- other body styles ----------------------------------------------------- */
+
+ol.arabic {
+    list-style: decimal;
+}
+
+ol.loweralpha {
+    list-style: lower-alpha;
+}
+
+ol.upperalpha {
+    list-style: upper-alpha;
+}
+
+ol.lowerroman {
+    list-style: lower-roman;
+}
+
+ol.upperroman {
+    list-style: upper-roman;
+}
+
+dl {
+    margin-bottom: 15px;
+}
+
+dd p {
+    margin-top: 0px;
+}
+
+dd ul, dd table {
+    margin-bottom: 10px;
+}
+
+dd {
+    margin-top: 3px;
+    margin-bottom: 10px;
+    margin-left: 30px;
+}
+
+dt:target, span.highlighted {
+    background-color: #fbe54e;
+}
+
+rect.highlighted {
+    fill: #fbe54e;
+}
+
+dl.glossary dt {
+    font-weight: bold;
+    font-size: 1.1em;
+}
+
+.optional {
+    font-size: 1.3em;
+}
+
+.sig-paren {
+    font-size: larger;
+}
+
+.versionmodified {
+    font-style: italic;
+}
+
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+    background-color: #fda;
+    padding: 5px;
+    border: 3px solid red;
+}
+
+.footnote:target  {
+    background-color: #ffa;
+}
+
+.line-block {
+    display: block;
+    margin-top: 1em;
+    margin-bottom: 1em;
+}
+
+.line-block .line-block {
+    margin-top: 0;
+    margin-bottom: 0;
+    margin-left: 1.5em;
+}
+
+.guilabel, .menuselection {
+    font-family: sans-serif;
+}
+
+.accelerator {
+    text-decoration: underline;
+}
+
+.classifier {
+    font-style: oblique;
+}
+
+abbr, acronym {
+    border-bottom: dotted 1px;
+    cursor: help;
+}
+
+/* -- code displays --------------------------------------------------------- */
+
+pre {
+    overflow: auto;
+    overflow-y: hidden;  /* fixes display issues on Chrome browsers */
+}
+
+span.pre {
+    -moz-hyphens: none;
+    -ms-hyphens: none;
+    -webkit-hyphens: none;
+    hyphens: none;
+}
+
+td.linenos pre {
+    padding: 5px 0px;
+    border: 0;
+    background-color: transparent;
+    color: #aaa;
+}
+
+table.highlighttable {
+    margin-left: 0.5em;
+}
+
+table.highlighttable td {
+    padding: 0 0.5em 0 0.5em;
+}
+
+div.code-block-caption {
+    padding: 2px 5px;
+    font-size: small;
+}
+
+div.code-block-caption code {
+    background-color: transparent;
+}
+
+div.code-block-caption + div > div.highlight > pre {
+    margin-top: 0;
+}
+
+div.code-block-caption span.caption-number {
+    padding: 0.1em 0.3em;
+    font-style: italic;
+}
+
+div.code-block-caption span.caption-text {
+}
+
+div.literal-block-wrapper {
+    padding: 1em 1em 0;
+}
+
+div.literal-block-wrapper div.highlight {
+    margin: 0;
+}
+
+code.descname {
+    background-color: transparent;
+    font-weight: bold;
+    font-size: 1.2em;
+}
+
+code.descclassname {
+    background-color: transparent;
+}
+
+code.xref, a code {
+    background-color: transparent;
+    font-weight: bold;
+}
+
+h1 code, h2 code, h3 code, h4 code, h5 code, h6 code {
+    background-color: transparent;
+}
+
+.viewcode-link {
+    float: right;
+}
+
+.viewcode-back {
+    float: right;
+    font-family: sans-serif;
+}
+
+div.viewcode-block:target {
+    margin: -1px -10px;
+    padding: 0 10px;
+}
+
+/* -- math display ---------------------------------------------------------- */
+
+img.math {
+    vertical-align: middle;
+}
+
+div.body div.math p {
+    text-align: center;
+}
+
+span.eqno {
+    float: right;
+}
+
+span.eqno a.headerlink {
+    position: relative;
+    left: 0px;
+    z-index: 1;
+}
+
+div.math:hover a.headerlink {
+    visibility: visible;
+}
+
+/* -- printout stylesheet --------------------------------------------------- */
+
+@media print {
+    div.document,
+    div.documentwrapper,
+    div.bodywrapper {
+        margin: 0 !important;
+        width: 100%;
+    }
+
+    div.sphinxsidebar,
+    div.related,
+    div.footer,
+    #top-link {
+        display: none;
+    }
+}
\ No newline at end of file
diff --git a/week06/average-squares-example/docs/_build/html/_static/classic.css b/week06/average-squares-example/docs/_build/html/_static/classic.css
new file mode 100644
index 0000000..6cfbfb9
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/_static/classic.css
@@ -0,0 +1,261 @@
+/*
+ * classic.css_t
+ * ~~~~~~~~~~~~~
+ *
+ * Sphinx stylesheet -- classic theme.
+ *
+ * :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+@import url("basic.css");
+
+/* -- page layout ----------------------------------------------------------- */
+
+body {
+    font-family: sans-serif;
+    font-size: 100%;
+    background-color: #11303d;
+    color: #000;
+    margin: 0;
+    padding: 0;
+}
+
+div.document {
+    background-color: #1c4e63;
+}
+
+div.documentwrapper {
+    float: left;
+    width: 100%;
+}
+
+div.bodywrapper {
+    margin: 0 0 0 230px;
+}
+
+div.body {
+    background-color: #ffffff;
+    color: #000000;
+    padding: 0 20px 30px 20px;
+}
+
+div.footer {
+    color: #ffffff;
+    width: 100%;
+    padding: 9px 0 9px 0;
+    text-align: center;
+    font-size: 75%;
+}
+
+div.footer a {
+    color: #ffffff;
+    text-decoration: underline;
+}
+
+div.related {
+    background-color: #133f52;
+    line-height: 30px;
+    color: #ffffff;
+}
+
+div.related a {
+    color: #ffffff;
+}
+
+div.sphinxsidebar {
+}
+
+div.sphinxsidebar h3 {
+    font-family: 'Trebuchet MS', sans-serif;
+    color: #ffffff;
+    font-size: 1.4em;
+    font-weight: normal;
+    margin: 0;
+    padding: 0;
+}
+
+div.sphinxsidebar h3 a {
+    color: #ffffff;
+}
+
+div.sphinxsidebar h4 {
+    font-family: 'Trebuchet MS', sans-serif;
+    color: #ffffff;
+    font-size: 1.3em;
+    font-weight: normal;
+    margin: 5px 0 0 0;
+    padding: 0;
+}
+
+div.sphinxsidebar p {
+    color: #ffffff;
+}
+
+div.sphinxsidebar p.topless {
+    margin: 5px 10px 10px 10px;
+}
+
+div.sphinxsidebar ul {
+    margin: 10px;
+    padding: 0;
+    color: #ffffff;
+}
+
+div.sphinxsidebar a {
+    color: #98dbcc;
+}
+
+div.sphinxsidebar input {
+    border: 1px solid #98dbcc;
+    font-family: sans-serif;
+    font-size: 1em;
+}
+
+
+
+/* -- hyperlink styles ------------------------------------------------------ */
+
+a {
+    color: #355f7c;
+    text-decoration: none;
+}
+
+a:visited {
+    color: #355f7c;
+    text-decoration: none;
+}
+
+a:hover {
+    text-decoration: underline;
+}
+
+
+
+/* -- body styles ----------------------------------------------------------- */
+
+div.body h1,
+div.body h2,
+div.body h3,
+div.body h4,
+div.body h5,
+div.body h6 {
+    font-family: 'Trebuchet MS', sans-serif;
+    background-color: #f2f2f2;
+    font-weight: normal;
+    color: #20435c;
+    border-bottom: 1px solid #ccc;
+    margin: 20px -20px 10px -20px;
+    padding: 3px 0 3px 10px;
+}
+
+div.body h1 { margin-top: 0; font-size: 200%; }
+div.body h2 { font-size: 160%; }
+div.body h3 { font-size: 140%; }
+div.body h4 { font-size: 120%; }
+div.body h5 { font-size: 110%; }
+div.body h6 { font-size: 100%; }
+
+a.headerlink {
+    color: #c60f0f;
+    font-size: 0.8em;
+    padding: 0 4px 0 4px;
+    text-decoration: none;
+}
+
+a.headerlink:hover {
+    background-color: #c60f0f;
+    color: white;
+}
+
+div.body p, div.body dd, div.body li, div.body blockquote {
+    text-align: justify;
+    line-height: 130%;
+}
+
+div.admonition p.admonition-title + p {
+    display: inline;
+}
+
+div.admonition p {
+    margin-bottom: 5px;
+}
+
+div.admonition pre {
+    margin-bottom: 5px;
+}
+
+div.admonition ul, div.admonition ol {
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+}
+
+div.note {
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+    border: 1px solid #ccc;
+}
+
+div.seealso {
+    background-color: #ffc;
+    border: 1px solid #ff6;
+}
+
+div.topic {
+    background-color: #eee;
+}
+
+div.warning {
+    background-color: #ffe4e4;
+    border: 1px solid #f66;
+}
+
+p.admonition-title {
+    display: inline;
+}
+
+p.admonition-title:after {
+    content: ":";
+}
+
+pre {
+    padding: 5px;
+    background-color: #eeffcc;
+    color: #333333;
+    line-height: 120%;
+    border: 1px solid #ac9;
+    border-left: none;
+    border-right: none;
+}
+
+code {
+    background-color: #ecf0f3;
+    padding: 0 1px 0 1px;
+    font-size: 0.95em;
+}
+
+th {
+    background-color: #ede;
+}
+
+.warning code {
+    background: #efc2c2;
+}
+
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+    background: #d6d6d6;
+}
+
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+}
+
+div.viewcode-block:target {
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+    border-top: 1px solid #ac9;
+    border-bottom: 1px solid #ac9;
+}
+
+div.code-block-caption {
+    color: #efefef;
+    background-color: #1c4e63;
+}
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index 0000000..2a924f1
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/_static/custom.css
@@ -0,0 +1 @@
+/* This file intentionally left blank. */
diff --git a/week06/average-squares-example/docs/_build/html/_static/doctools.js b/week06/average-squares-example/docs/_build/html/_static/doctools.js
new file mode 100644
index 0000000..0c15c00
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/_static/doctools.js
@@ -0,0 +1,311 @@
+/*
+ * doctools.js
+ * ~~~~~~~~~~~
+ *
+ * Sphinx JavaScript utilities for all documentation.
+ *
+ * :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+/**
+ * select a different prefix for underscore
+ */
+$u = _.noConflict();
+
+/**
+ * make the code below compatible with browsers without
+ * an installed firebug like debugger
+if (!window.console || !console.firebug) {
+  var names = ["log", "debug", "info", "warn", "error", "assert", "dir",
+    "dirxml", "group", "groupEnd", "time", "timeEnd", "count", "trace",
+    "profile", "profileEnd"];
+  window.console = {};
+  for (var i = 0; i < names.length; ++i)
+    window.console[names[i]] = function() {};
+}
+ */
+
+/**
+ * small helper function to urldecode strings
+ */
+jQuery.urldecode = function(x) {
+  return decodeURIComponent(x).replace(/\+/g, ' ');
+};
+
+/**
+ * small helper function to urlencode strings
+ */
+jQuery.urlencode = encodeURIComponent;
+
+/**
+ * This function returns the parsed url parameters of the
+ * current request. Multiple values per key are supported,
+ * it will always return arrays of strings for the value parts.
+ */
+jQuery.getQueryParameters = function(s) {
+  if (typeof s === 'undefined')
+    s = document.location.search;
+  var parts = s.substr(s.indexOf('?') + 1).split('&');
+  var result = {};
+  for (var i = 0; i < parts.length; i++) {
+    var tmp = parts[i].split('=', 2);
+    var key = jQuery.urldecode(tmp[0]);
+    var value = jQuery.urldecode(tmp[1]);
+    if (key in result)
+      result[key].push(value);
+    else
+      result[key] = [value];
+  }
+  return result;
+};
+
+/**
+ * highlight a given string on a jquery object by wrapping it in
+ * span elements with the given class name.
+ */
+jQuery.fn.highlightText = function(text, className) {
+  function highlight(node, addItems) {
+    if (node.nodeType === 3) {
+      var val = node.nodeValue;
+      var pos = val.toLowerCase().indexOf(text);
+      if (pos >= 0 && !jQuery(node.parentNode).hasClass(className)) {
+        var span;
+        var isInSVG = jQuery(node).closest("body, svg, foreignObject").is("svg");
+        if (isInSVG) {
+          span = document.createElementNS("http://www.w3.org/2000/svg", "tspan");
+        } else {
+          span = document.createElement("span");
+          span.className = className;
+        }
+        span.appendChild(document.createTextNode(val.substr(pos, text.length)));
+        node.parentNode.insertBefore(span, node.parentNode.insertBefore(
+          document.createTextNode(val.substr(pos + text.length)),
+          node.nextSibling));
+        node.nodeValue = val.substr(0, pos);
+        if (isInSVG) {
+          var bbox = span.getBBox();
+          var rect = document.createElementNS("http://www.w3.org/2000/svg", "rect");
+       	  rect.x.baseVal.value = bbox.x;
+          rect.y.baseVal.value = bbox.y;
+          rect.width.baseVal.value = bbox.width;
+          rect.height.baseVal.value = bbox.height;
+          rect.setAttribute('class', className);
+          var parentOfText = node.parentNode.parentNode;
+          addItems.push({
+              "parent": node.parentNode,
+              "target": rect});
+        }
+      }
+    }
+    else if (!jQuery(node).is("button, select, textarea")) {
+      jQuery.each(node.childNodes, function() {
+        highlight(this, addItems);
+      });
+    }
+  }
+  var addItems = [];
+  var result = this.each(function() {
+    highlight(this, addItems);
+  });
+  for (var i = 0; i < addItems.length; ++i) {
+    jQuery(addItems[i].parent).before(addItems[i].target);
+  }
+  return result;
+};
+
+/*
+ * backward compatibility for jQuery.browser
+ * This will be supported until firefox bug is fixed.
+ */
+if (!jQuery.browser) {
+  jQuery.uaMatch = function(ua) {
+    ua = ua.toLowerCase();
+
+    var match = /(chrome)[ \/]([\w.]+)/.exec(ua) ||
+      /(webkit)[ \/]([\w.]+)/.exec(ua) ||
+      /(opera)(?:.*version|)[ \/]([\w.]+)/.exec(ua) ||
+      /(msie) ([\w.]+)/.exec(ua) ||
+      ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua) ||
+      [];
+
+    return {
+      browser: match[ 1 ] || "",
+      version: match[ 2 ] || "0"
+    };
+  };
+  jQuery.browser = {};
+  jQuery.browser[jQuery.uaMatch(navigator.userAgent).browser] = true;
+}
+
+/**
+ * Small JavaScript module for the documentation.
+ */
+var Documentation = {
+
+  init : function() {
+    this.fixFirefoxAnchorBug();
+    this.highlightSearchWords();
+    this.initIndexTable();
+    
+  },
+
+  /**
+   * i18n support
+   */
+  TRANSLATIONS : {},
+  PLURAL_EXPR : function(n) { return n === 1 ? 0 : 1; },
+  LOCALE : 'unknown',
+
+  // gettext and ngettext don't access this so that the functions
+  // can safely bound to a different name (_ = Documentation.gettext)
+  gettext : function(string) {
+    var translated = Documentation.TRANSLATIONS[string];
+    if (typeof translated === 'undefined')
+      return string;
+    return (typeof translated === 'string') ? translated : translated[0];
+  },
+
+  ngettext : function(singular, plural, n) {
+    var translated = Documentation.TRANSLATIONS[singular];
+    if (typeof translated === 'undefined')
+      return (n == 1) ? singular : plural;
+    return translated[Documentation.PLURALEXPR(n)];
+  },
+
+  addTranslations : function(catalog) {
+    for (var key in catalog.messages)
+      this.TRANSLATIONS[key] = catalog.messages[key];
+    this.PLURAL_EXPR = new Function('n', 'return +(' + catalog.plural_expr + ')');
+    this.LOCALE = catalog.locale;
+  },
+
+  /**
+   * add context elements like header anchor links
+   */
+  addContextElements : function() {
+    $('div[id] > :header:first').each(function() {
+      $('<a class="headerlink">\u00B6</a>').
+      attr('href', '#' + this.id).
+      attr('title', _('Permalink to this headline')).
+      appendTo(this);
+    });
+    $('dt[id]').each(function() {
+      $('<a class="headerlink">\u00B6</a>').
+      attr('href', '#' + this.id).
+      attr('title', _('Permalink to this definition')).
+      appendTo(this);
+    });
+  },
+
+  /**
+   * workaround a firefox stupidity
+   * see: https://bugzilla.mozilla.org/show_bug.cgi?id=645075
+   */
+  fixFirefoxAnchorBug : function() {
+    if (document.location.hash && $.browser.mozilla)
+      window.setTimeout(function() {
+        document.location.href += '';
+      }, 10);
+  },
+
+  /**
+   * highlight the search words provided in the url in the text
+   */
+  highlightSearchWords : function() {
+    var params = $.getQueryParameters();
+    var terms = (params.highlight) ? params.highlight[0].split(/\s+/) : [];
+    if (terms.length) {
+      var body = $('div.body');
+      if (!body.length) {
+        body = $('body');
+      }
+      window.setTimeout(function() {
+        $.each(terms, function() {
+          body.highlightText(this.toLowerCase(), 'highlighted');
+        });
+      }, 10);
+      $('<p class="highlight-link"><a href="javascript:Documentation.' +
+        'hideSearchWords()">' + _('Hide Search Matches') + '</a></p>')
+          .appendTo($('#searchbox'));
+    }
+  },
+
+  /**
+   * init the domain index toggle buttons
+   */
+  initIndexTable : function() {
+    var togglers = $('img.toggler').click(function() {
+      var src = $(this).attr('src');
+      var idnum = $(this).attr('id').substr(7);
+      $('tr.cg-' + idnum).toggle();
+      if (src.substr(-9) === 'minus.png')
+        $(this).attr('src', src.substr(0, src.length-9) + 'plus.png');
+      else
+        $(this).attr('src', src.substr(0, src.length-8) + 'minus.png');
+    }).css('display', '');
+    if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) {
+        togglers.click();
+    }
+  },
+
+  /**
+   * helper function to hide the search marks again
+   */
+  hideSearchWords : function() {
+    $('#searchbox .highlight-link').fadeOut(300);
+    $('span.highlighted').removeClass('highlighted');
+  },
+
+  /**
+   * make the url absolute
+   */
+  makeURL : function(relativeURL) {
+    return DOCUMENTATION_OPTIONS.URL_ROOT + '/' + relativeURL;
+  },
+
+  /**
+   * get the current relative url
+   */
+  getCurrentURL : function() {
+    var path = document.location.pathname;
+    var parts = path.split(/\//);
+    $.each(DOCUMENTATION_OPTIONS.URL_ROOT.split(/\//), function() {
+      if (this === '..')
+        parts.pop();
+    });
+    var url = parts.join('/');
+    return path.substring(url.lastIndexOf('/') + 1, path.length - 1);
+  },
+
+  initOnKeyListeners: function() {
+    $(document).keyup(function(event) {
+      var activeElementType = document.activeElement.tagName;
+      // don't navigate when in search box or textarea
+      if (activeElementType !== 'TEXTAREA' && activeElementType !== 'INPUT' && activeElementType !== 'SELECT') {
+        switch (event.keyCode) {
+          case 37: // left
+            var prevHref = $('link[rel="prev"]').prop('href');
+            if (prevHref) {
+              window.location.href = prevHref;
+              return false;
+            }
+          case 39: // right
+            var nextHref = $('link[rel="next"]').prop('href');
+            if (nextHref) {
+              window.location.href = nextHref;
+              return false;
+            }
+        }
+      }
+    });
+  }
+};
+
+// quick alias for translations
+_ = Documentation.gettext;
+
+$(document).ready(function() {
+  Documentation.init();
+});
\ No newline at end of file
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diff --git a/week06/average-squares-example/docs/_build/html/_static/jquery.js b/week06/average-squares-example/docs/_build/html/_static/jquery.js
new file mode 100644
index 0000000..ba171ca
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/_static/jquery.js
@@ -0,0 +1,10253 @@
+/*!
+ * jQuery JavaScript Library v3.2.1
+ * https://jquery.com/
+ *
+ * Includes Sizzle.js
+ * https://sizzlejs.com/
+ *
+ * Copyright JS Foundation and other contributors
+ * Released under the MIT license
+ * https://jquery.org/license
+ *
+ * Date: 2017-09-03T00:14Z
+ */
+( function( global, factory ) {
+
+	"use strict";
+
+	if ( typeof module === "object" && typeof module.exports === "object" ) {
+
+		// For CommonJS and CommonJS-like environments where a proper `window`
+		// is present, execute the factory and get jQuery.
+		// For environments that do not have a `window` with a `document`
+		// (such as Node.js), expose a factory as module.exports.
+		// This accentuates the need for the creation of a real `window`.
+		// e.g. var jQuery = require("jquery")(window);
+		// See ticket #14549 for more info.
+		module.exports = global.document ?
+			factory( global, true ) :
+			function( w ) {
+				if ( !w.document ) {
+					throw new Error( "jQuery requires a window with a document" );
+				}
+				return factory( w );
+			};
+	} else {
+		factory( global );
+	}
+
+// Pass this if window is not defined yet
+} )( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
+
+// Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
+// throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
+// arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
+// enough that all such attempts are guarded in a try block.
+
+
+var arr = [];
+
+var document = window.document;
+
+var getProto = Object.getPrototypeOf;
+
+var slice = arr.slice;
+
+var concat = arr.concat;
+
+var push = arr.push;
+
+var indexOf = arr.indexOf;
+
+var class2type = {};
+
+var toString = class2type.toString;
+
+var hasOwn = class2type.hasOwnProperty;
+
+var fnToString = hasOwn.toString;
+
+var ObjectFunctionString = fnToString.call( Object );
+
+var support = {};
+
+
+
+	function DOMEval( code, doc ) {
+		doc = doc || document;
+
+		var script = doc.createElement( "script" );
+
+		script.text = code;
+		doc.head.appendChild( script ).parentNode.removeChild( script );
+	}
+/* global Symbol */
+// Defining this global in .eslintrc.json would create a danger of using the global
+// unguarded in another place, it seems safer to define global only for this module
+
+
+
+var
+	version = "3.2.1",
+
+	// Define a local copy of jQuery
+	jQuery = function( selector, context ) {
+
+		// The jQuery object is actually just the init constructor 'enhanced'
+		// Need init if jQuery is called (just allow error to be thrown if not included)
+		return new jQuery.fn.init( selector, context );
+	},
+
+	// Support: Android <=4.0 only
+	// Make sure we trim BOM and NBSP
+	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
+
+	// Matches dashed string for camelizing
+	rmsPrefix = /^-ms-/,
+	rdashAlpha = /-([a-z])/g,
+
+	// Used by jQuery.camelCase as callback to replace()
+	fcamelCase = function( all, letter ) {
+		return letter.toUpperCase();
+	};
+
+jQuery.fn = jQuery.prototype = {
+
+	// The current version of jQuery being used
+	jquery: version,
+
+	constructor: jQuery,
+
+	// The default length of a jQuery object is 0
+	length: 0,
+
+	toArray: function() {
+		return slice.call( this );
+	},
+
+	// Get the Nth element in the matched element set OR
+	// Get the whole matched element set as a clean array
+	get: function( num ) {
+
+		// Return all the elements in a clean array
+		if ( num == null ) {
+			return slice.call( this );
+		}
+
+		// Return just the one element from the set
+		return num < 0 ? this[ num + this.length ] : this[ num ];
+	},
+
+	// Take an array of elements and push it onto the stack
+	// (returning the new matched element set)
+	pushStack: function( elems ) {
+
+		// Build a new jQuery matched element set
+		var ret = jQuery.merge( this.constructor(), elems );
+
+		// Add the old object onto the stack (as a reference)
+		ret.prevObject = this;
+
+		// Return the newly-formed element set
+		return ret;
+	},
+
+	// Execute a callback for every element in the matched set.
+	each: function( callback ) {
+		return jQuery.each( this, callback );
+	},
+
+	map: function( callback ) {
+		return this.pushStack( jQuery.map( this, function( elem, i ) {
+			return callback.call( elem, i, elem );
+		} ) );
+	},
+
+	slice: function() {
+		return this.pushStack( slice.apply( this, arguments ) );
+	},
+
+	first: function() {
+		return this.eq( 0 );
+	},
+
+	last: function() {
+		return this.eq( -1 );
+	},
+
+	eq: function( i ) {
+		var len = this.length,
+			j = +i + ( i < 0 ? len : 0 );
+		return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
+	},
+
+	end: function() {
+		return this.prevObject || this.constructor();
+	},
+
+	// For internal use only.
+	// Behaves like an Array's method, not like a jQuery method.
+	push: push,
+	sort: arr.sort,
+	splice: arr.splice
+};
+
+jQuery.extend = jQuery.fn.extend = function() {
+	var options, name, src, copy, copyIsArray, clone,
+		target = arguments[ 0 ] || {},
+		i = 1,
+		length = arguments.length,
+		deep = false;
+
+	// Handle a deep copy situation
+	if ( typeof target === "boolean" ) {
+		deep = target;
+
+		// Skip the boolean and the target
+		target = arguments[ i ] || {};
+		i++;
+	}
+
+	// Handle case when target is a string or something (possible in deep copy)
+	if ( typeof target !== "object" && !jQuery.isFunction( target ) ) {
+		target = {};
+	}
+
+	// Extend jQuery itself if only one argument is passed
+	if ( i === length ) {
+		target = this;
+		i--;
+	}
+
+	for ( ; i < length; i++ ) {
+
+		// Only deal with non-null/undefined values
+		if ( ( options = arguments[ i ] ) != null ) {
+
+			// Extend the base object
+			for ( name in options ) {
+				src = target[ name ];
+				copy = options[ name ];
+
+				// Prevent never-ending loop
+				if ( target === copy ) {
+					continue;
+				}
+
+				// Recurse if we're merging plain objects or arrays
+				if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
+					( copyIsArray = Array.isArray( copy ) ) ) ) {
+
+					if ( copyIsArray ) {
+						copyIsArray = false;
+						clone = src && Array.isArray( src ) ? src : [];
+
+					} else {
+						clone = src && jQuery.isPlainObject( src ) ? src : {};
+					}
+
+					// Never move original objects, clone them
+					target[ name ] = jQuery.extend( deep, clone, copy );
+
+				// Don't bring in undefined values
+				} else if ( copy !== undefined ) {
+					target[ name ] = copy;
+				}
+			}
+		}
+	}
+
+	// Return the modified object
+	return target;
+};
+
+jQuery.extend( {
+
+	// Unique for each copy of jQuery on the page
+	expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
+
+	// Assume jQuery is ready without the ready module
+	isReady: true,
+
+	error: function( msg ) {
+		throw new Error( msg );
+	},
+
+	noop: function() {},
+
+	isFunction: function( obj ) {
+		return jQuery.type( obj ) === "function";
+	},
+
+	isWindow: function( obj ) {
+		return obj != null && obj === obj.window;
+	},
+
+	isNumeric: function( obj ) {
+
+		// As of jQuery 3.0, isNumeric is limited to
+		// strings and numbers (primitives or objects)
+		// that can be coerced to finite numbers (gh-2662)
+		var type = jQuery.type( obj );
+		return ( type === "number" || type === "string" ) &&
+
+			// parseFloat NaNs numeric-cast false positives ("")
+			// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
+			// subtraction forces infinities to NaN
+			!isNaN( obj - parseFloat( obj ) );
+	},
+
+	isPlainObject: function( obj ) {
+		var proto, Ctor;
+
+		// Detect obvious negatives
+		// Use toString instead of jQuery.type to catch host objects
+		if ( !obj || toString.call( obj ) !== "[object Object]" ) {
+			return false;
+		}
+
+		proto = getProto( obj );
+
+		// Objects with no prototype (e.g., `Object.create( null )`) are plain
+		if ( !proto ) {
+			return true;
+		}
+
+		// Objects with prototype are plain iff they were constructed by a global Object function
+		Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
+		return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
+	},
+
+	isEmptyObject: function( obj ) {
+
+		/* eslint-disable no-unused-vars */
+		// See https://github.com/eslint/eslint/issues/6125
+		var name;
+
+		for ( name in obj ) {
+			return false;
+		}
+		return true;
+	},
+
+	type: function( obj ) {
+		if ( obj == null ) {
+			return obj + "";
+		}
+
+		// Support: Android <=2.3 only (functionish RegExp)
+		return typeof obj === "object" || typeof obj === "function" ?
+			class2type[ toString.call( obj ) ] || "object" :
+			typeof obj;
+	},
+
+	// Evaluates a script in a global context
+	globalEval: function( code ) {
+		DOMEval( code );
+	},
+
+	// Convert dashed to camelCase; used by the css and data modules
+	// Support: IE <=9 - 11, Edge 12 - 13
+	// Microsoft forgot to hump their vendor prefix (#9572)
+	camelCase: function( string ) {
+		return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
+	},
+
+	each: function( obj, callback ) {
+		var length, i = 0;
+
+		if ( isArrayLike( obj ) ) {
+			length = obj.length;
+			for ( ; i < length; i++ ) {
+				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
+					break;
+				}
+			}
+		} else {
+			for ( i in obj ) {
+				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
+					break;
+				}
+			}
+		}
+
+		return obj;
+	},
+
+	// Support: Android <=4.0 only
+	trim: function( text ) {
+		return text == null ?
+			"" :
+			( text + "" ).replace( rtrim, "" );
+	},
+
+	// results is for internal usage only
+	makeArray: function( arr, results ) {
+		var ret = results || [];
+
+		if ( arr != null ) {
+			if ( isArrayLike( Object( arr ) ) ) {
+				jQuery.merge( ret,
+					typeof arr === "string" ?
+					[ arr ] : arr
+				);
+			} else {
+				push.call( ret, arr );
+			}
+		}
+
+		return ret;
+	},
+
+	inArray: function( elem, arr, i ) {
+		return arr == null ? -1 : indexOf.call( arr, elem, i );
+	},
+
+	// Support: Android <=4.0 only, PhantomJS 1 only
+	// push.apply(_, arraylike) throws on ancient WebKit
+	merge: function( first, second ) {
+		var len = +second.length,
+			j = 0,
+			i = first.length;
+
+		for ( ; j < len; j++ ) {
+			first[ i++ ] = second[ j ];
+		}
+
+		first.length = i;
+
+		return first;
+	},
+
+	grep: function( elems, callback, invert ) {
+		var callbackInverse,
+			matches = [],
+			i = 0,
+			length = elems.length,
+			callbackExpect = !invert;
+
+		// Go through the array, only saving the items
+		// that pass the validator function
+		for ( ; i < length; i++ ) {
+			callbackInverse = !callback( elems[ i ], i );
+			if ( callbackInverse !== callbackExpect ) {
+				matches.push( elems[ i ] );
+			}
+		}
+
+		return matches;
+	},
+
+	// arg is for internal usage only
+	map: function( elems, callback, arg ) {
+		var length, value,
+			i = 0,
+			ret = [];
+
+		// Go through the array, translating each of the items to their new values
+		if ( isArrayLike( elems ) ) {
+			length = elems.length;
+			for ( ; i < length; i++ ) {
+				value = callback( elems[ i ], i, arg );
+
+				if ( value != null ) {
+					ret.push( value );
+				}
+			}
+
+		// Go through every key on the object,
+		} else {
+			for ( i in elems ) {
+				value = callback( elems[ i ], i, arg );
+
+				if ( value != null ) {
+					ret.push( value );
+				}
+			}
+		}
+
+		// Flatten any nested arrays
+		return concat.apply( [], ret );
+	},
+
+	// A global GUID counter for objects
+	guid: 1,
+
+	// Bind a function to a context, optionally partially applying any
+	// arguments.
+	proxy: function( fn, context ) {
+		var tmp, args, proxy;
+
+		if ( typeof context === "string" ) {
+			tmp = fn[ context ];
+			context = fn;
+			fn = tmp;
+		}
+
+		// Quick check to determine if target is callable, in the spec
+		// this throws a TypeError, but we will just return undefined.
+		if ( !jQuery.isFunction( fn ) ) {
+			return undefined;
+		}
+
+		// Simulated bind
+		args = slice.call( arguments, 2 );
+		proxy = function() {
+			return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
+		};
+
+		// Set the guid of unique handler to the same of original handler, so it can be removed
+		proxy.guid = fn.guid = fn.guid || jQuery.guid++;
+
+		return proxy;
+	},
+
+	now: Date.now,
+
+	// jQuery.support is not used in Core but other projects attach their
+	// properties to it so it needs to exist.
+	support: support
+} );
+
+if ( typeof Symbol === "function" ) {
+	jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
+}
+
+// Populate the class2type map
+jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
+function( i, name ) {
+	class2type[ "[object " + name + "]" ] = name.toLowerCase();
+} );
+
+function isArrayLike( obj ) {
+
+	// Support: real iOS 8.2 only (not reproducible in simulator)
+	// `in` check used to prevent JIT error (gh-2145)
+	// hasOwn isn't used here due to false negatives
+	// regarding Nodelist length in IE
+	var length = !!obj && "length" in obj && obj.length,
+		type = jQuery.type( obj );
+
+	if ( type === "function" || jQuery.isWindow( obj ) ) {
+		return false;
+	}
+
+	return type === "array" || length === 0 ||
+		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
+}
+var Sizzle =
+/*!
+ * Sizzle CSS Selector Engine v2.3.3
+ * https://sizzlejs.com/
+ *
+ * Copyright jQuery Foundation and other contributors
+ * Released under the MIT license
+ * http://jquery.org/license
+ *
+ * Date: 2016-08-08
+ */
+(function( window ) {
+
+var i,
+	support,
+	Expr,
+	getText,
+	isXML,
+	tokenize,
+	compile,
+	select,
+	outermostContext,
+	sortInput,
+	hasDuplicate,
+
+	// Local document vars
+	setDocument,
+	document,
+	docElem,
+	documentIsHTML,
+	rbuggyQSA,
+	rbuggyMatches,
+	matches,
+	contains,
+
+	// Instance-specific data
+	expando = "sizzle" + 1 * new Date(),
+	preferredDoc = window.document,
+	dirruns = 0,
+	done = 0,
+	classCache = createCache(),
+	tokenCache = createCache(),
+	compilerCache = createCache(),
+	sortOrder = function( a, b ) {
+		if ( a === b ) {
+			hasDuplicate = true;
+		}
+		return 0;
+	},
+
+	// Instance methods
+	hasOwn = ({}).hasOwnProperty,
+	arr = [],
+	pop = arr.pop,
+	push_native = arr.push,
+	push = arr.push,
+	slice = arr.slice,
+	// Use a stripped-down indexOf as it's faster than native
+	// https://jsperf.com/thor-indexof-vs-for/5
+	indexOf = function( list, elem ) {
+		var i = 0,
+			len = list.length;
+		for ( ; i < len; i++ ) {
+			if ( list[i] === elem ) {
+				return i;
+			}
+		}
+		return -1;
+	},
+
+	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
+
+	// Regular expressions
+
+	// http://www.w3.org/TR/css3-selectors/#whitespace
+	whitespace = "[\\x20\\t\\r\\n\\f]",
+
+	// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
+	identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
+
+	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
+	attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
+		// Operator (capture 2)
+		"*([*^$|!~]?=)" + whitespace +
+		// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
+		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
+		"*\\]",
+
+	pseudos = ":(" + identifier + ")(?:\\((" +
+		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
+		// 1. quoted (capture 3; capture 4 or capture 5)
+		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
+		// 2. simple (capture 6)
+		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
+		// 3. anything else (capture 2)
+		".*" +
+		")\\)|)",
+
+	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
+	rwhitespace = new RegExp( whitespace + "+", "g" ),
+	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
+
+	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
+	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
+
+	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
+
+	rpseudo = new RegExp( pseudos ),
+	ridentifier = new RegExp( "^" + identifier + "$" ),
+
+	matchExpr = {
+		"ID": new RegExp( "^#(" + identifier + ")" ),
+		"CLASS": new RegExp( "^\\.(" + identifier + ")" ),
+		"TAG": new RegExp( "^(" + identifier + "|[*])" ),
+		"ATTR": new RegExp( "^" + attributes ),
+		"PSEUDO": new RegExp( "^" + pseudos ),
+		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
+			"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
+			"*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
+		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
+		// For use in libraries implementing .is()
+		// We use this for POS matching in `select`
+		"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
+			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
+	},
+
+	rinputs = /^(?:input|select|textarea|button)$/i,
+	rheader = /^h\d$/i,
+
+	rnative = /^[^{]+\{\s*\[native \w/,
+
+	// Easily-parseable/retrievable ID or TAG or CLASS selectors
+	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
+
+	rsibling = /[+~]/,
+
+	// CSS escapes
+	// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
+	runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
+	funescape = function( _, escaped, escapedWhitespace ) {
+		var high = "0x" + escaped - 0x10000;
+		// NaN means non-codepoint
+		// Support: Firefox<24
+		// Workaround erroneous numeric interpretation of +"0x"
+		return high !== high || escapedWhitespace ?
+			escaped :
+			high < 0 ?
+				// BMP codepoint
+				String.fromCharCode( high + 0x10000 ) :
+				// Supplemental Plane codepoint (surrogate pair)
+				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
+	},
+
+	// CSS string/identifier serialization
+	// https://drafts.csswg.org/cssom/#common-serializing-idioms
+	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\0-\x1f\x7f-\uFFFF\w-]/g,
+	fcssescape = function( ch, asCodePoint ) {
+		if ( asCodePoint ) {
+
+			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
+			if ( ch === "\0" ) {
+				return "\uFFFD";
+			}
+
+			// Control characters and (dependent upon position) numbers get escaped as code points
+			return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
+		}
+
+		// Other potentially-special ASCII characters get backslash-escaped
+		return "\\" + ch;
+	},
+
+	// Used for iframes
+	// See setDocument()
+	// Removing the function wrapper causes a "Permission Denied"
+	// error in IE
+	unloadHandler = function() {
+		setDocument();
+	},
+
+	disabledAncestor = addCombinator(
+		function( elem ) {
+			return elem.disabled === true && ("form" in elem || "label" in elem);
+		},
+		{ dir: "parentNode", next: "legend" }
+	);
+
+// Optimize for push.apply( _, NodeList )
+try {
+	push.apply(
+		(arr = slice.call( preferredDoc.childNodes )),
+		preferredDoc.childNodes
+	);
+	// Support: Android<4.0
+	// Detect silently failing push.apply
+	arr[ preferredDoc.childNodes.length ].nodeType;
+} catch ( e ) {
+	push = { apply: arr.length ?
+
+		// Leverage slice if possible
+		function( target, els ) {
+			push_native.apply( target, slice.call(els) );
+		} :
+
+		// Support: IE<9
+		// Otherwise append directly
+		function( target, els ) {
+			var j = target.length,
+				i = 0;
+			// Can't trust NodeList.length
+			while ( (target[j++] = els[i++]) ) {}
+			target.length = j - 1;
+		}
+	};
+}
+
+function Sizzle( selector, context, results, seed ) {
+	var m, i, elem, nid, match, groups, newSelector,
+		newContext = context && context.ownerDocument,
+
+		// nodeType defaults to 9, since context defaults to document
+		nodeType = context ? context.nodeType : 9;
+
+	results = results || [];
+
+	// Return early from calls with invalid selector or context
+	if ( typeof selector !== "string" || !selector ||
+		nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
+
+		return results;
+	}
+
+	// Try to shortcut find operations (as opposed to filters) in HTML documents
+	if ( !seed ) {
+
+		if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
+			setDocument( context );
+		}
+		context = context || document;
+
+		if ( documentIsHTML ) {
+
+			// If the selector is sufficiently simple, try using a "get*By*" DOM method
+			// (excepting DocumentFragment context, where the methods don't exist)
+			if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
+
+				// ID selector
+				if ( (m = match[1]) ) {
+
+					// Document context
+					if ( nodeType === 9 ) {
+						if ( (elem = context.getElementById( m )) ) {
+
+							// Support: IE, Opera, Webkit
+							// TODO: identify versions
+							// getElementById can match elements by name instead of ID
+							if ( elem.id === m ) {
+								results.push( elem );
+								return results;
+							}
+						} else {
+							return results;
+						}
+
+					// Element context
+					} else {
+
+						// Support: IE, Opera, Webkit
+						// TODO: identify versions
+						// getElementById can match elements by name instead of ID
+						if ( newContext && (elem = newContext.getElementById( m )) &&
+							contains( context, elem ) &&
+							elem.id === m ) {
+
+							results.push( elem );
+							return results;
+						}
+					}
+
+				// Type selector
+				} else if ( match[2] ) {
+					push.apply( results, context.getElementsByTagName( selector ) );
+					return results;
+
+				// Class selector
+				} else if ( (m = match[3]) && support.getElementsByClassName &&
+					context.getElementsByClassName ) {
+
+					push.apply( results, context.getElementsByClassName( m ) );
+					return results;
+				}
+			}
+
+			// Take advantage of querySelectorAll
+			if ( support.qsa &&
+				!compilerCache[ selector + " " ] &&
+				(!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
+
+				if ( nodeType !== 1 ) {
+					newContext = context;
+					newSelector = selector;
+
+				// qSA looks outside Element context, which is not what we want
+				// Thanks to Andrew Dupont for this workaround technique
+				// Support: IE <=8
+				// Exclude object elements
+				} else if ( context.nodeName.toLowerCase() !== "object" ) {
+
+					// Capture the context ID, setting it first if necessary
+					if ( (nid = context.getAttribute( "id" )) ) {
+						nid = nid.replace( rcssescape, fcssescape );
+					} else {
+						context.setAttribute( "id", (nid = expando) );
+					}
+
+					// Prefix every selector in the list
+					groups = tokenize( selector );
+					i = groups.length;
+					while ( i-- ) {
+						groups[i] = "#" + nid + " " + toSelector( groups[i] );
+					}
+					newSelector = groups.join( "," );
+
+					// Expand context for sibling selectors
+					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
+						context;
+				}
+
+				if ( newSelector ) {
+					try {
+						push.apply( results,
+							newContext.querySelectorAll( newSelector )
+						);
+						return results;
+					} catch ( qsaError ) {
+					} finally {
+						if ( nid === expando ) {
+							context.removeAttribute( "id" );
+						}
+					}
+				}
+			}
+		}
+	}
+
+	// All others
+	return select( selector.replace( rtrim, "$1" ), context, results, seed );
+}
+
+/**
+ * Create key-value caches of limited size
+ * @returns {function(string, object)} Returns the Object data after storing it on itself with
+ *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
+ *	deleting the oldest entry
+ */
+function createCache() {
+	var keys = [];
+
+	function cache( key, value ) {
+		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
+		if ( keys.push( key + " " ) > Expr.cacheLength ) {
+			// Only keep the most recent entries
+			delete cache[ keys.shift() ];
+		}
+		return (cache[ key + " " ] = value);
+	}
+	return cache;
+}
+
+/**
+ * Mark a function for special use by Sizzle
+ * @param {Function} fn The function to mark
+ */
+function markFunction( fn ) {
+	fn[ expando ] = true;
+	return fn;
+}
+
+/**
+ * Support testing using an element
+ * @param {Function} fn Passed the created element and returns a boolean result
+ */
+function assert( fn ) {
+	var el = document.createElement("fieldset");
+
+	try {
+		return !!fn( el );
+	} catch (e) {
+		return false;
+	} finally {
+		// Remove from its parent by default
+		if ( el.parentNode ) {
+			el.parentNode.removeChild( el );
+		}
+		// release memory in IE
+		el = null;
+	}
+}
+
+/**
+ * Adds the same handler for all of the specified attrs
+ * @param {String} attrs Pipe-separated list of attributes
+ * @param {Function} handler The method that will be applied
+ */
+function addHandle( attrs, handler ) {
+	var arr = attrs.split("|"),
+		i = arr.length;
+
+	while ( i-- ) {
+		Expr.attrHandle[ arr[i] ] = handler;
+	}
+}
+
+/**
+ * Checks document order of two siblings
+ * @param {Element} a
+ * @param {Element} b
+ * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
+ */
+function siblingCheck( a, b ) {
+	var cur = b && a,
+		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
+			a.sourceIndex - b.sourceIndex;
+
+	// Use IE sourceIndex if available on both nodes
+	if ( diff ) {
+		return diff;
+	}
+
+	// Check if b follows a
+	if ( cur ) {
+		while ( (cur = cur.nextSibling) ) {
+			if ( cur === b ) {
+				return -1;
+			}
+		}
+	}
+
+	return a ? 1 : -1;
+}
+
+/**
+ * Returns a function to use in pseudos for input types
+ * @param {String} type
+ */
+function createInputPseudo( type ) {
+	return function( elem ) {
+		var name = elem.nodeName.toLowerCase();
+		return name === "input" && elem.type === type;
+	};
+}
+
+/**
+ * Returns a function to use in pseudos for buttons
+ * @param {String} type
+ */
+function createButtonPseudo( type ) {
+	return function( elem ) {
+		var name = elem.nodeName.toLowerCase();
+		return (name === "input" || name === "button") && elem.type === type;
+	};
+}
+
+/**
+ * Returns a function to use in pseudos for :enabled/:disabled
+ * @param {Boolean} disabled true for :disabled; false for :enabled
+ */
+function createDisabledPseudo( disabled ) {
+
+	// Known :disabled false positives: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
+	return function( elem ) {
+
+		// Only certain elements can match :enabled or :disabled
+		// https://html.spec.whatwg.org/multipage/scripting.html#selector-enabled
+		// https://html.spec.whatwg.org/multipage/scripting.html#selector-disabled
+		if ( "form" in elem ) {
+
+			// Check for inherited disabledness on relevant non-disabled elements:
+			// * listed form-associated elements in a disabled fieldset
+			//   https://html.spec.whatwg.org/multipage/forms.html#category-listed
+			//   https://html.spec.whatwg.org/multipage/forms.html#concept-fe-disabled
+			// * option elements in a disabled optgroup
+			//   https://html.spec.whatwg.org/multipage/forms.html#concept-option-disabled
+			// All such elements have a "form" property.
+			if ( elem.parentNode && elem.disabled === false ) {
+
+				// Option elements defer to a parent optgroup if present
+				if ( "label" in elem ) {
+					if ( "label" in elem.parentNode ) {
+						return elem.parentNode.disabled === disabled;
+					} else {
+						return elem.disabled === disabled;
+					}
+				}
+
+				// Support: IE 6 - 11
+				// Use the isDisabled shortcut property to check for disabled fieldset ancestors
+				return elem.isDisabled === disabled ||
+
+					// Where there is no isDisabled, check manually
+					/* jshint -W018 */
+					elem.isDisabled !== !disabled &&
+						disabledAncestor( elem ) === disabled;
+			}
+
+			return elem.disabled === disabled;
+
+		// Try to winnow out elements that can't be disabled before trusting the disabled property.
+		// Some victims get caught in our net (label, legend, menu, track), but it shouldn't
+		// even exist on them, let alone have a boolean value.
+		} else if ( "label" in elem ) {
+			return elem.disabled === disabled;
+		}
+
+		// Remaining elements are neither :enabled nor :disabled
+		return false;
+	};
+}
+
+/**
+ * Returns a function to use in pseudos for positionals
+ * @param {Function} fn
+ */
+function createPositionalPseudo( fn ) {
+	return markFunction(function( argument ) {
+		argument = +argument;
+		return markFunction(function( seed, matches ) {
+			var j,
+				matchIndexes = fn( [], seed.length, argument ),
+				i = matchIndexes.length;
+
+			// Match elements found at the specified indexes
+			while ( i-- ) {
+				if ( seed[ (j = matchIndexes[i]) ] ) {
+					seed[j] = !(matches[j] = seed[j]);
+				}
+			}
+		});
+	});
+}
+
+/**
+ * Checks a node for validity as a Sizzle context
+ * @param {Element|Object=} context
+ * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
+ */
+function testContext( context ) {
+	return context && typeof context.getElementsByTagName !== "undefined" && context;
+}
+
+// Expose support vars for convenience
+support = Sizzle.support = {};
+
+/**
+ * Detects XML nodes
+ * @param {Element|Object} elem An element or a document
+ * @returns {Boolean} True iff elem is a non-HTML XML node
+ */
+isXML = Sizzle.isXML = function( elem ) {
+	// documentElement is verified for cases where it doesn't yet exist
+	// (such as loading iframes in IE - #4833)
+	var documentElement = elem && (elem.ownerDocument || elem).documentElement;
+	return documentElement ? documentElement.nodeName !== "HTML" : false;
+};
+
+/**
+ * Sets document-related variables once based on the current document
+ * @param {Element|Object} [doc] An element or document object to use to set the document
+ * @returns {Object} Returns the current document
+ */
+setDocument = Sizzle.setDocument = function( node ) {
+	var hasCompare, subWindow,
+		doc = node ? node.ownerDocument || node : preferredDoc;
+
+	// Return early if doc is invalid or already selected
+	if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
+		return document;
+	}
+
+	// Update global variables
+	document = doc;
+	docElem = document.documentElement;
+	documentIsHTML = !isXML( document );
+
+	// Support: IE 9-11, Edge
+	// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
+	if ( preferredDoc !== document &&
+		(subWindow = document.defaultView) && subWindow.top !== subWindow ) {
+
+		// Support: IE 11, Edge
+		if ( subWindow.addEventListener ) {
+			subWindow.addEventListener( "unload", unloadHandler, false );
+
+		// Support: IE 9 - 10 only
+		} else if ( subWindow.attachEvent ) {
+			subWindow.attachEvent( "onunload", unloadHandler );
+		}
+	}
+
+	/* Attributes
+	---------------------------------------------------------------------- */
+
+	// Support: IE<8
+	// Verify that getAttribute really returns attributes and not properties
+	// (excepting IE8 booleans)
+	support.attributes = assert(function( el ) {
+		el.className = "i";
+		return !el.getAttribute("className");
+	});
+
+	/* getElement(s)By*
+	---------------------------------------------------------------------- */
+
+	// Check if getElementsByTagName("*") returns only elements
+	support.getElementsByTagName = assert(function( el ) {
+		el.appendChild( document.createComment("") );
+		return !el.getElementsByTagName("*").length;
+	});
+
+	// Support: IE<9
+	support.getElementsByClassName = rnative.test( document.getElementsByClassName );
+
+	// Support: IE<10
+	// Check if getElementById returns elements by name
+	// The broken getElementById methods don't pick up programmatically-set names,
+	// so use a roundabout getElementsByName test
+	support.getById = assert(function( el ) {
+		docElem.appendChild( el ).id = expando;
+		return !document.getElementsByName || !document.getElementsByName( expando ).length;
+	});
+
+	// ID filter and find
+	if ( support.getById ) {
+		Expr.filter["ID"] = function( id ) {
+			var attrId = id.replace( runescape, funescape );
+			return function( elem ) {
+				return elem.getAttribute("id") === attrId;
+			};
+		};
+		Expr.find["ID"] = function( id, context ) {
+			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
+				var elem = context.getElementById( id );
+				return elem ? [ elem ] : [];
+			}
+		};
+	} else {
+		Expr.filter["ID"] =  function( id ) {
+			var attrId = id.replace( runescape, funescape );
+			return function( elem ) {
+				var node = typeof elem.getAttributeNode !== "undefined" &&
+					elem.getAttributeNode("id");
+				return node && node.value === attrId;
+			};
+		};
+
+		// Support: IE 6 - 7 only
+		// getElementById is not reliable as a find shortcut
+		Expr.find["ID"] = function( id, context ) {
+			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
+				var node, i, elems,
+					elem = context.getElementById( id );
+
+				if ( elem ) {
+
+					// Verify the id attribute
+					node = elem.getAttributeNode("id");
+					if ( node && node.value === id ) {
+						return [ elem ];
+					}
+
+					// Fall back on getElementsByName
+					elems = context.getElementsByName( id );
+					i = 0;
+					while ( (elem = elems[i++]) ) {
+						node = elem.getAttributeNode("id");
+						if ( node && node.value === id ) {
+							return [ elem ];
+						}
+					}
+				}
+
+				return [];
+			}
+		};
+	}
+
+	// Tag
+	Expr.find["TAG"] = support.getElementsByTagName ?
+		function( tag, context ) {
+			if ( typeof context.getElementsByTagName !== "undefined" ) {
+				return context.getElementsByTagName( tag );
+
+			// DocumentFragment nodes don't have gEBTN
+			} else if ( support.qsa ) {
+				return context.querySelectorAll( tag );
+			}
+		} :
+
+		function( tag, context ) {
+			var elem,
+				tmp = [],
+				i = 0,
+				// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
+				results = context.getElementsByTagName( tag );
+
+			// Filter out possible comments
+			if ( tag === "*" ) {
+				while ( (elem = results[i++]) ) {
+					if ( elem.nodeType === 1 ) {
+						tmp.push( elem );
+					}
+				}
+
+				return tmp;
+			}
+			return results;
+		};
+
+	// Class
+	Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
+		if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
+			return context.getElementsByClassName( className );
+		}
+	};
+
+	/* QSA/matchesSelector
+	---------------------------------------------------------------------- */
+
+	// QSA and matchesSelector support
+
+	// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
+	rbuggyMatches = [];
+
+	// qSa(:focus) reports false when true (Chrome 21)
+	// We allow this because of a bug in IE8/9 that throws an error
+	// whenever `document.activeElement` is accessed on an iframe
+	// So, we allow :focus to pass through QSA all the time to avoid the IE error
+	// See https://bugs.jquery.com/ticket/13378
+	rbuggyQSA = [];
+
+	if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
+		// Build QSA regex
+		// Regex strategy adopted from Diego Perini
+		assert(function( el ) {
+			// Select is set to empty string on purpose
+			// This is to test IE's treatment of not explicitly
+			// setting a boolean content attribute,
+			// since its presence should be enough
+			// https://bugs.jquery.com/ticket/12359
+			docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
+				"<select id='" + expando + "-\r\\' msallowcapture=''>" +
+				"<option selected=''></option></select>";
+
+			// Support: IE8, Opera 11-12.16
+			// Nothing should be selected when empty strings follow ^= or $= or *=
+			// The test attribute must be unknown in Opera but "safe" for WinRT
+			// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
+			if ( el.querySelectorAll("[msallowcapture^='']").length ) {
+				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
+			}
+
+			// Support: IE8
+			// Boolean attributes and "value" are not treated correctly
+			if ( !el.querySelectorAll("[selected]").length ) {
+				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
+			}
+
+			// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
+			if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
+				rbuggyQSA.push("~=");
+			}
+
+			// Webkit/Opera - :checked should return selected option elements
+			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
+			// IE8 throws error here and will not see later tests
+			if ( !el.querySelectorAll(":checked").length ) {
+				rbuggyQSA.push(":checked");
+			}
+
+			// Support: Safari 8+, iOS 8+
+			// https://bugs.webkit.org/show_bug.cgi?id=136851
+			// In-page `selector#id sibling-combinator selector` fails
+			if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
+				rbuggyQSA.push(".#.+[+~]");
+			}
+		});
+
+		assert(function( el ) {
+			el.innerHTML = "<a href='' disabled='disabled'></a>" +
+				"<select disabled='disabled'><option/></select>";
+
+			// Support: Windows 8 Native Apps
+			// The type and name attributes are restricted during .innerHTML assignment
+			var input = document.createElement("input");
+			input.setAttribute( "type", "hidden" );
+			el.appendChild( input ).setAttribute( "name", "D" );
+
+			// Support: IE8
+			// Enforce case-sensitivity of name attribute
+			if ( el.querySelectorAll("[name=d]").length ) {
+				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
+			}
+
+			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
+			// IE8 throws error here and will not see later tests
+			if ( el.querySelectorAll(":enabled").length !== 2 ) {
+				rbuggyQSA.push( ":enabled", ":disabled" );
+			}
+
+			// Support: IE9-11+
+			// IE's :disabled selector does not pick up the children of disabled fieldsets
+			docElem.appendChild( el ).disabled = true;
+			if ( el.querySelectorAll(":disabled").length !== 2 ) {
+				rbuggyQSA.push( ":enabled", ":disabled" );
+			}
+
+			// Opera 10-11 does not throw on post-comma invalid pseudos
+			el.querySelectorAll("*,:x");
+			rbuggyQSA.push(",.*:");
+		});
+	}
+
+	if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
+		docElem.webkitMatchesSelector ||
+		docElem.mozMatchesSelector ||
+		docElem.oMatchesSelector ||
+		docElem.msMatchesSelector) )) ) {
+
+		assert(function( el ) {
+			// Check to see if it's possible to do matchesSelector
+			// on a disconnected node (IE 9)
+			support.disconnectedMatch = matches.call( el, "*" );
+
+			// This should fail with an exception
+			// Gecko does not error, returns false instead
+			matches.call( el, "[s!='']:x" );
+			rbuggyMatches.push( "!=", pseudos );
+		});
+	}
+
+	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
+	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
+
+	/* Contains
+	---------------------------------------------------------------------- */
+	hasCompare = rnative.test( docElem.compareDocumentPosition );
+
+	// Element contains another
+	// Purposefully self-exclusive
+	// As in, an element does not contain itself
+	contains = hasCompare || rnative.test( docElem.contains ) ?
+		function( a, b ) {
+			var adown = a.nodeType === 9 ? a.documentElement : a,
+				bup = b && b.parentNode;
+			return a === bup || !!( bup && bup.nodeType === 1 && (
+				adown.contains ?
+					adown.contains( bup ) :
+					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
+			));
+		} :
+		function( a, b ) {
+			if ( b ) {
+				while ( (b = b.parentNode) ) {
+					if ( b === a ) {
+						return true;
+					}
+				}
+			}
+			return false;
+		};
+
+	/* Sorting
+	---------------------------------------------------------------------- */
+
+	// Document order sorting
+	sortOrder = hasCompare ?
+	function( a, b ) {
+
+		// Flag for duplicate removal
+		if ( a === b ) {
+			hasDuplicate = true;
+			return 0;
+		}
+
+		// Sort on method existence if only one input has compareDocumentPosition
+		var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
+		if ( compare ) {
+			return compare;
+		}
+
+		// Calculate position if both inputs belong to the same document
+		compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
+			a.compareDocumentPosition( b ) :
+
+			// Otherwise we know they are disconnected
+			1;
+
+		// Disconnected nodes
+		if ( compare & 1 ||
+			(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
+
+			// Choose the first element that is related to our preferred document
+			if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
+				return -1;
+			}
+			if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
+				return 1;
+			}
+
+			// Maintain original order
+			return sortInput ?
+				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
+				0;
+		}
+
+		return compare & 4 ? -1 : 1;
+	} :
+	function( a, b ) {
+		// Exit early if the nodes are identical
+		if ( a === b ) {
+			hasDuplicate = true;
+			return 0;
+		}
+
+		var cur,
+			i = 0,
+			aup = a.parentNode,
+			bup = b.parentNode,
+			ap = [ a ],
+			bp = [ b ];
+
+		// Parentless nodes are either documents or disconnected
+		if ( !aup || !bup ) {
+			return a === document ? -1 :
+				b === document ? 1 :
+				aup ? -1 :
+				bup ? 1 :
+				sortInput ?
+				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
+				0;
+
+		// If the nodes are siblings, we can do a quick check
+		} else if ( aup === bup ) {
+			return siblingCheck( a, b );
+		}
+
+		// Otherwise we need full lists of their ancestors for comparison
+		cur = a;
+		while ( (cur = cur.parentNode) ) {
+			ap.unshift( cur );
+		}
+		cur = b;
+		while ( (cur = cur.parentNode) ) {
+			bp.unshift( cur );
+		}
+
+		// Walk down the tree looking for a discrepancy
+		while ( ap[i] === bp[i] ) {
+			i++;
+		}
+
+		return i ?
+			// Do a sibling check if the nodes have a common ancestor
+			siblingCheck( ap[i], bp[i] ) :
+
+			// Otherwise nodes in our document sort first
+			ap[i] === preferredDoc ? -1 :
+			bp[i] === preferredDoc ? 1 :
+			0;
+	};
+
+	return document;
+};
+
+Sizzle.matches = function( expr, elements ) {
+	return Sizzle( expr, null, null, elements );
+};
+
+Sizzle.matchesSelector = function( elem, expr ) {
+	// Set document vars if needed
+	if ( ( elem.ownerDocument || elem ) !== document ) {
+		setDocument( elem );
+	}
+
+	// Make sure that attribute selectors are quoted
+	expr = expr.replace( rattributeQuotes, "='$1']" );
+
+	if ( support.matchesSelector && documentIsHTML &&
+		!compilerCache[ expr + " " ] &&
+		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
+		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
+
+		try {
+			var ret = matches.call( elem, expr );
+
+			// IE 9's matchesSelector returns false on disconnected nodes
+			if ( ret || support.disconnectedMatch ||
+					// As well, disconnected nodes are said to be in a document
+					// fragment in IE 9
+					elem.document && elem.document.nodeType !== 11 ) {
+				return ret;
+			}
+		} catch (e) {}
+	}
+
+	return Sizzle( expr, document, null, [ elem ] ).length > 0;
+};
+
+Sizzle.contains = function( context, elem ) {
+	// Set document vars if needed
+	if ( ( context.ownerDocument || context ) !== document ) {
+		setDocument( context );
+	}
+	return contains( context, elem );
+};
+
+Sizzle.attr = function( elem, name ) {
+	// Set document vars if needed
+	if ( ( elem.ownerDocument || elem ) !== document ) {
+		setDocument( elem );
+	}
+
+	var fn = Expr.attrHandle[ name.toLowerCase() ],
+		// Don't get fooled by Object.prototype properties (jQuery #13807)
+		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
+			fn( elem, name, !documentIsHTML ) :
+			undefined;
+
+	return val !== undefined ?
+		val :
+		support.attributes || !documentIsHTML ?
+			elem.getAttribute( name ) :
+			(val = elem.getAttributeNode(name)) && val.specified ?
+				val.value :
+				null;
+};
+
+Sizzle.escape = function( sel ) {
+	return (sel + "").replace( rcssescape, fcssescape );
+};
+
+Sizzle.error = function( msg ) {
+	throw new Error( "Syntax error, unrecognized expression: " + msg );
+};
+
+/**
+ * Document sorting and removing duplicates
+ * @param {ArrayLike} results
+ */
+Sizzle.uniqueSort = function( results ) {
+	var elem,
+		duplicates = [],
+		j = 0,
+		i = 0;
+
+	// Unless we *know* we can detect duplicates, assume their presence
+	hasDuplicate = !support.detectDuplicates;
+	sortInput = !support.sortStable && results.slice( 0 );
+	results.sort( sortOrder );
+
+	if ( hasDuplicate ) {
+		while ( (elem = results[i++]) ) {
+			if ( elem === results[ i ] ) {
+				j = duplicates.push( i );
+			}
+		}
+		while ( j-- ) {
+			results.splice( duplicates[ j ], 1 );
+		}
+	}
+
+	// Clear input after sorting to release objects
+	// See https://github.com/jquery/sizzle/pull/225
+	sortInput = null;
+
+	return results;
+};
+
+/**
+ * Utility function for retrieving the text value of an array of DOM nodes
+ * @param {Array|Element} elem
+ */
+getText = Sizzle.getText = function( elem ) {
+	var node,
+		ret = "",
+		i = 0,
+		nodeType = elem.nodeType;
+
+	if ( !nodeType ) {
+		// If no nodeType, this is expected to be an array
+		while ( (node = elem[i++]) ) {
+			// Do not traverse comment nodes
+			ret += getText( node );
+		}
+	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
+		// Use textContent for elements
+		// innerText usage removed for consistency of new lines (jQuery #11153)
+		if ( typeof elem.textContent === "string" ) {
+			return elem.textContent;
+		} else {
+			// Traverse its children
+			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
+				ret += getText( elem );
+			}
+		}
+	} else if ( nodeType === 3 || nodeType === 4 ) {
+		return elem.nodeValue;
+	}
+	// Do not include comment or processing instruction nodes
+
+	return ret;
+};
+
+Expr = Sizzle.selectors = {
+
+	// Can be adjusted by the user
+	cacheLength: 50,
+
+	createPseudo: markFunction,
+
+	match: matchExpr,
+
+	attrHandle: {},
+
+	find: {},
+
+	relative: {
+		">": { dir: "parentNode", first: true },
+		" ": { dir: "parentNode" },
+		"+": { dir: "previousSibling", first: true },
+		"~": { dir: "previousSibling" }
+	},
+
+	preFilter: {
+		"ATTR": function( match ) {
+			match[1] = match[1].replace( runescape, funescape );
+
+			// Move the given value to match[3] whether quoted or unquoted
+			match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
+
+			if ( match[2] === "~=" ) {
+				match[3] = " " + match[3] + " ";
+			}
+
+			return match.slice( 0, 4 );
+		},
+
+		"CHILD": function( match ) {
+			/* matches from matchExpr["CHILD"]
+				1 type (only|nth|...)
+				2 what (child|of-type)
+				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
+				4 xn-component of xn+y argument ([+-]?\d*n|)
+				5 sign of xn-component
+				6 x of xn-component
+				7 sign of y-component
+				8 y of y-component
+			*/
+			match[1] = match[1].toLowerCase();
+
+			if ( match[1].slice( 0, 3 ) === "nth" ) {
+				// nth-* requires argument
+				if ( !match[3] ) {
+					Sizzle.error( match[0] );
+				}
+
+				// numeric x and y parameters for Expr.filter.CHILD
+				// remember that false/true cast respectively to 0/1
+				match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
+				match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
+
+			// other types prohibit arguments
+			} else if ( match[3] ) {
+				Sizzle.error( match[0] );
+			}
+
+			return match;
+		},
+
+		"PSEUDO": function( match ) {
+			var excess,
+				unquoted = !match[6] && match[2];
+
+			if ( matchExpr["CHILD"].test( match[0] ) ) {
+				return null;
+			}
+
+			// Accept quoted arguments as-is
+			if ( match[3] ) {
+				match[2] = match[4] || match[5] || "";
+
+			// Strip excess characters from unquoted arguments
+			} else if ( unquoted && rpseudo.test( unquoted ) &&
+				// Get excess from tokenize (recursively)
+				(excess = tokenize( unquoted, true )) &&
+				// advance to the next closing parenthesis
+				(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
+
+				// excess is a negative index
+				match[0] = match[0].slice( 0, excess );
+				match[2] = unquoted.slice( 0, excess );
+			}
+
+			// Return only captures needed by the pseudo filter method (type and argument)
+			return match.slice( 0, 3 );
+		}
+	},
+
+	filter: {
+
+		"TAG": function( nodeNameSelector ) {
+			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
+			return nodeNameSelector === "*" ?
+				function() { return true; } :
+				function( elem ) {
+					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
+				};
+		},
+
+		"CLASS": function( className ) {
+			var pattern = classCache[ className + " " ];
+
+			return pattern ||
+				(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
+				classCache( className, function( elem ) {
+					return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
+				});
+		},
+
+		"ATTR": function( name, operator, check ) {
+			return function( elem ) {
+				var result = Sizzle.attr( elem, name );
+
+				if ( result == null ) {
+					return operator === "!=";
+				}
+				if ( !operator ) {
+					return true;
+				}
+
+				result += "";
+
+				return operator === "=" ? result === check :
+					operator === "!=" ? result !== check :
+					operator === "^=" ? check && result.indexOf( check ) === 0 :
+					operator === "*=" ? check && result.indexOf( check ) > -1 :
+					operator === "$=" ? check && result.slice( -check.length ) === check :
+					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
+					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
+					false;
+			};
+		},
+
+		"CHILD": function( type, what, argument, first, last ) {
+			var simple = type.slice( 0, 3 ) !== "nth",
+				forward = type.slice( -4 ) !== "last",
+				ofType = what === "of-type";
+
+			return first === 1 && last === 0 ?
+
+				// Shortcut for :nth-*(n)
+				function( elem ) {
+					return !!elem.parentNode;
+				} :
+
+				function( elem, context, xml ) {
+					var cache, uniqueCache, outerCache, node, nodeIndex, start,
+						dir = simple !== forward ? "nextSibling" : "previousSibling",
+						parent = elem.parentNode,
+						name = ofType && elem.nodeName.toLowerCase(),
+						useCache = !xml && !ofType,
+						diff = false;
+
+					if ( parent ) {
+
+						// :(first|last|only)-(child|of-type)
+						if ( simple ) {
+							while ( dir ) {
+								node = elem;
+								while ( (node = node[ dir ]) ) {
+									if ( ofType ?
+										node.nodeName.toLowerCase() === name :
+										node.nodeType === 1 ) {
+
+										return false;
+									}
+								}
+								// Reverse direction for :only-* (if we haven't yet done so)
+								start = dir = type === "only" && !start && "nextSibling";
+							}
+							return true;
+						}
+
+						start = [ forward ? parent.firstChild : parent.lastChild ];
+
+						// non-xml :nth-child(...) stores cache data on `parent`
+						if ( forward && useCache ) {
+
+							// Seek `elem` from a previously-cached index
+
+							// ...in a gzip-friendly way
+							node = parent;
+							outerCache = node[ expando ] || (node[ expando ] = {});
+
+							// Support: IE <9 only
+							// Defend against cloned attroperties (jQuery gh-1709)
+							uniqueCache = outerCache[ node.uniqueID ] ||
+								(outerCache[ node.uniqueID ] = {});
+
+							cache = uniqueCache[ type ] || [];
+							nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
+							diff = nodeIndex && cache[ 2 ];
+							node = nodeIndex && parent.childNodes[ nodeIndex ];
+
+							while ( (node = ++nodeIndex && node && node[ dir ] ||
+
+								// Fallback to seeking `elem` from the start
+								(diff = nodeIndex = 0) || start.pop()) ) {
+
+								// When found, cache indexes on `parent` and break
+								if ( node.nodeType === 1 && ++diff && node === elem ) {
+									uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
+									break;
+								}
+							}
+
+						} else {
+							// Use previously-cached element index if available
+							if ( useCache ) {
+								// ...in a gzip-friendly way
+								node = elem;
+								outerCache = node[ expando ] || (node[ expando ] = {});
+
+								// Support: IE <9 only
+								// Defend against cloned attroperties (jQuery gh-1709)
+								uniqueCache = outerCache[ node.uniqueID ] ||
+									(outerCache[ node.uniqueID ] = {});
+
+								cache = uniqueCache[ type ] || [];
+								nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
+								diff = nodeIndex;
+							}
+
+							// xml :nth-child(...)
+							// or :nth-last-child(...) or :nth(-last)?-of-type(...)
+							if ( diff === false ) {
+								// Use the same loop as above to seek `elem` from the start
+								while ( (node = ++nodeIndex && node && node[ dir ] ||
+									(diff = nodeIndex = 0) || start.pop()) ) {
+
+									if ( ( ofType ?
+										node.nodeName.toLowerCase() === name :
+										node.nodeType === 1 ) &&
+										++diff ) {
+
+										// Cache the index of each encountered element
+										if ( useCache ) {
+											outerCache = node[ expando ] || (node[ expando ] = {});
+
+											// Support: IE <9 only
+											// Defend against cloned attroperties (jQuery gh-1709)
+											uniqueCache = outerCache[ node.uniqueID ] ||
+												(outerCache[ node.uniqueID ] = {});
+
+											uniqueCache[ type ] = [ dirruns, diff ];
+										}
+
+										if ( node === elem ) {
+											break;
+										}
+									}
+								}
+							}
+						}
+
+						// Incorporate the offset, then check against cycle size
+						diff -= last;
+						return diff === first || ( diff % first === 0 && diff / first >= 0 );
+					}
+				};
+		},
+
+		"PSEUDO": function( pseudo, argument ) {
+			// pseudo-class names are case-insensitive
+			// http://www.w3.org/TR/selectors/#pseudo-classes
+			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
+			// Remember that setFilters inherits from pseudos
+			var args,
+				fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
+					Sizzle.error( "unsupported pseudo: " + pseudo );
+
+			// The user may use createPseudo to indicate that
+			// arguments are needed to create the filter function
+			// just as Sizzle does
+			if ( fn[ expando ] ) {
+				return fn( argument );
+			}
+
+			// But maintain support for old signatures
+			if ( fn.length > 1 ) {
+				args = [ pseudo, pseudo, "", argument ];
+				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
+					markFunction(function( seed, matches ) {
+						var idx,
+							matched = fn( seed, argument ),
+							i = matched.length;
+						while ( i-- ) {
+							idx = indexOf( seed, matched[i] );
+							seed[ idx ] = !( matches[ idx ] = matched[i] );
+						}
+					}) :
+					function( elem ) {
+						return fn( elem, 0, args );
+					};
+			}
+
+			return fn;
+		}
+	},
+
+	pseudos: {
+		// Potentially complex pseudos
+		"not": markFunction(function( selector ) {
+			// Trim the selector passed to compile
+			// to avoid treating leading and trailing
+			// spaces as combinators
+			var input = [],
+				results = [],
+				matcher = compile( selector.replace( rtrim, "$1" ) );
+
+			return matcher[ expando ] ?
+				markFunction(function( seed, matches, context, xml ) {
+					var elem,
+						unmatched = matcher( seed, null, xml, [] ),
+						i = seed.length;
+
+					// Match elements unmatched by `matcher`
+					while ( i-- ) {
+						if ( (elem = unmatched[i]) ) {
+							seed[i] = !(matches[i] = elem);
+						}
+					}
+				}) :
+				function( elem, context, xml ) {
+					input[0] = elem;
+					matcher( input, null, xml, results );
+					// Don't keep the element (issue #299)
+					input[0] = null;
+					return !results.pop();
+				};
+		}),
+
+		"has": markFunction(function( selector ) {
+			return function( elem ) {
+				return Sizzle( selector, elem ).length > 0;
+			};
+		}),
+
+		"contains": markFunction(function( text ) {
+			text = text.replace( runescape, funescape );
+			return function( elem ) {
+				return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
+			};
+		}),
+
+		// "Whether an element is represented by a :lang() selector
+		// is based solely on the element's language value
+		// being equal to the identifier C,
+		// or beginning with the identifier C immediately followed by "-".
+		// The matching of C against the element's language value is performed case-insensitively.
+		// The identifier C does not have to be a valid language name."
+		// http://www.w3.org/TR/selectors/#lang-pseudo
+		"lang": markFunction( function( lang ) {
+			// lang value must be a valid identifier
+			if ( !ridentifier.test(lang || "") ) {
+				Sizzle.error( "unsupported lang: " + lang );
+			}
+			lang = lang.replace( runescape, funescape ).toLowerCase();
+			return function( elem ) {
+				var elemLang;
+				do {
+					if ( (elemLang = documentIsHTML ?
+						elem.lang :
+						elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
+
+						elemLang = elemLang.toLowerCase();
+						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
+					}
+				} while ( (elem = elem.parentNode) && elem.nodeType === 1 );
+				return false;
+			};
+		}),
+
+		// Miscellaneous
+		"target": function( elem ) {
+			var hash = window.location && window.location.hash;
+			return hash && hash.slice( 1 ) === elem.id;
+		},
+
+		"root": function( elem ) {
+			return elem === docElem;
+		},
+
+		"focus": function( elem ) {
+			return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
+		},
+
+		// Boolean properties
+		"enabled": createDisabledPseudo( false ),
+		"disabled": createDisabledPseudo( true ),
+
+		"checked": function( elem ) {
+			// In CSS3, :checked should return both checked and selected elements
+			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
+			var nodeName = elem.nodeName.toLowerCase();
+			return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
+		},
+
+		"selected": function( elem ) {
+			// Accessing this property makes selected-by-default
+			// options in Safari work properly
+			if ( elem.parentNode ) {
+				elem.parentNode.selectedIndex;
+			}
+
+			return elem.selected === true;
+		},
+
+		// Contents
+		"empty": function( elem ) {
+			// http://www.w3.org/TR/selectors/#empty-pseudo
+			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
+			//   but not by others (comment: 8; processing instruction: 7; etc.)
+			// nodeType < 6 works because attributes (2) do not appear as children
+			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
+				if ( elem.nodeType < 6 ) {
+					return false;
+				}
+			}
+			return true;
+		},
+
+		"parent": function( elem ) {
+			return !Expr.pseudos["empty"]( elem );
+		},
+
+		// Element/input types
+		"header": function( elem ) {
+			return rheader.test( elem.nodeName );
+		},
+
+		"input": function( elem ) {
+			return rinputs.test( elem.nodeName );
+		},
+
+		"button": function( elem ) {
+			var name = elem.nodeName.toLowerCase();
+			return name === "input" && elem.type === "button" || name === "button";
+		},
+
+		"text": function( elem ) {
+			var attr;
+			return elem.nodeName.toLowerCase() === "input" &&
+				elem.type === "text" &&
+
+				// Support: IE<8
+				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
+				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
+		},
+
+		// Position-in-collection
+		"first": createPositionalPseudo(function() {
+			return [ 0 ];
+		}),
+
+		"last": createPositionalPseudo(function( matchIndexes, length ) {
+			return [ length - 1 ];
+		}),
+
+		"eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
+			return [ argument < 0 ? argument + length : argument ];
+		}),
+
+		"even": createPositionalPseudo(function( matchIndexes, length ) {
+			var i = 0;
+			for ( ; i < length; i += 2 ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		}),
+
+		"odd": createPositionalPseudo(function( matchIndexes, length ) {
+			var i = 1;
+			for ( ; i < length; i += 2 ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		}),
+
+		"lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
+			var i = argument < 0 ? argument + length : argument;
+			for ( ; --i >= 0; ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		}),
+
+		"gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
+			var i = argument < 0 ? argument + length : argument;
+			for ( ; ++i < length; ) {
+				matchIndexes.push( i );
+			}
+			return matchIndexes;
+		})
+	}
+};
+
+Expr.pseudos["nth"] = Expr.pseudos["eq"];
+
+// Add button/input type pseudos
+for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
+	Expr.pseudos[ i ] = createInputPseudo( i );
+}
+for ( i in { submit: true, reset: true } ) {
+	Expr.pseudos[ i ] = createButtonPseudo( i );
+}
+
+// Easy API for creating new setFilters
+function setFilters() {}
+setFilters.prototype = Expr.filters = Expr.pseudos;
+Expr.setFilters = new setFilters();
+
+tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
+	var matched, match, tokens, type,
+		soFar, groups, preFilters,
+		cached = tokenCache[ selector + " " ];
+
+	if ( cached ) {
+		return parseOnly ? 0 : cached.slice( 0 );
+	}
+
+	soFar = selector;
+	groups = [];
+	preFilters = Expr.preFilter;
+
+	while ( soFar ) {
+
+		// Comma and first run
+		if ( !matched || (match = rcomma.exec( soFar )) ) {
+			if ( match ) {
+				// Don't consume trailing commas as valid
+				soFar = soFar.slice( match[0].length ) || soFar;
+			}
+			groups.push( (tokens = []) );
+		}
+
+		matched = false;
+
+		// Combinators
+		if ( (match = rcombinators.exec( soFar )) ) {
+			matched = match.shift();
+			tokens.push({
+				value: matched,
+				// Cast descendant combinators to space
+				type: match[0].replace( rtrim, " " )
+			});
+			soFar = soFar.slice( matched.length );
+		}
+
+		// Filters
+		for ( type in Expr.filter ) {
+			if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
+				(match = preFilters[ type ]( match ))) ) {
+				matched = match.shift();
+				tokens.push({
+					value: matched,
+					type: type,
+					matches: match
+				});
+				soFar = soFar.slice( matched.length );
+			}
+		}
+
+		if ( !matched ) {
+			break;
+		}
+	}
+
+	// Return the length of the invalid excess
+	// if we're just parsing
+	// Otherwise, throw an error or return tokens
+	return parseOnly ?
+		soFar.length :
+		soFar ?
+			Sizzle.error( selector ) :
+			// Cache the tokens
+			tokenCache( selector, groups ).slice( 0 );
+};
+
+function toSelector( tokens ) {
+	var i = 0,
+		len = tokens.length,
+		selector = "";
+	for ( ; i < len; i++ ) {
+		selector += tokens[i].value;
+	}
+	return selector;
+}
+
+function addCombinator( matcher, combinator, base ) {
+	var dir = combinator.dir,
+		skip = combinator.next,
+		key = skip || dir,
+		checkNonElements = base && key === "parentNode",
+		doneName = done++;
+
+	return combinator.first ?
+		// Check against closest ancestor/preceding element
+		function( elem, context, xml ) {
+			while ( (elem = elem[ dir ]) ) {
+				if ( elem.nodeType === 1 || checkNonElements ) {
+					return matcher( elem, context, xml );
+				}
+			}
+			return false;
+		} :
+
+		// Check against all ancestor/preceding elements
+		function( elem, context, xml ) {
+			var oldCache, uniqueCache, outerCache,
+				newCache = [ dirruns, doneName ];
+
+			// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
+			if ( xml ) {
+				while ( (elem = elem[ dir ]) ) {
+					if ( elem.nodeType === 1 || checkNonElements ) {
+						if ( matcher( elem, context, xml ) ) {
+							return true;
+						}
+					}
+				}
+			} else {
+				while ( (elem = elem[ dir ]) ) {
+					if ( elem.nodeType === 1 || checkNonElements ) {
+						outerCache = elem[ expando ] || (elem[ expando ] = {});
+
+						// Support: IE <9 only
+						// Defend against cloned attroperties (jQuery gh-1709)
+						uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
+
+						if ( skip && skip === elem.nodeName.toLowerCase() ) {
+							elem = elem[ dir ] || elem;
+						} else if ( (oldCache = uniqueCache[ key ]) &&
+							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
+
+							// Assign to newCache so results back-propagate to previous elements
+							return (newCache[ 2 ] = oldCache[ 2 ]);
+						} else {
+							// Reuse newcache so results back-propagate to previous elements
+							uniqueCache[ key ] = newCache;
+
+							// A match means we're done; a fail means we have to keep checking
+							if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
+								return true;
+							}
+						}
+					}
+				}
+			}
+			return false;
+		};
+}
+
+function elementMatcher( matchers ) {
+	return matchers.length > 1 ?
+		function( elem, context, xml ) {
+			var i = matchers.length;
+			while ( i-- ) {
+				if ( !matchers[i]( elem, context, xml ) ) {
+					return false;
+				}
+			}
+			return true;
+		} :
+		matchers[0];
+}
+
+function multipleContexts( selector, contexts, results ) {
+	var i = 0,
+		len = contexts.length;
+	for ( ; i < len; i++ ) {
+		Sizzle( selector, contexts[i], results );
+	}
+	return results;
+}
+
+function condense( unmatched, map, filter, context, xml ) {
+	var elem,
+		newUnmatched = [],
+		i = 0,
+		len = unmatched.length,
+		mapped = map != null;
+
+	for ( ; i < len; i++ ) {
+		if ( (elem = unmatched[i]) ) {
+			if ( !filter || filter( elem, context, xml ) ) {
+				newUnmatched.push( elem );
+				if ( mapped ) {
+					map.push( i );
+				}
+			}
+		}
+	}
+
+	return newUnmatched;
+}
+
+function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
+	if ( postFilter && !postFilter[ expando ] ) {
+		postFilter = setMatcher( postFilter );
+	}
+	if ( postFinder && !postFinder[ expando ] ) {
+		postFinder = setMatcher( postFinder, postSelector );
+	}
+	return markFunction(function( seed, results, context, xml ) {
+		var temp, i, elem,
+			preMap = [],
+			postMap = [],
+			preexisting = results.length,
+
+			// Get initial elements from seed or context
+			elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
+
+			// Prefilter to get matcher input, preserving a map for seed-results synchronization
+			matcherIn = preFilter && ( seed || !selector ) ?
+				condense( elems, preMap, preFilter, context, xml ) :
+				elems,
+
+			matcherOut = matcher ?
+				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
+				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
+
+					// ...intermediate processing is necessary
+					[] :
+
+					// ...otherwise use results directly
+					results :
+				matcherIn;
+
+		// Find primary matches
+		if ( matcher ) {
+			matcher( matcherIn, matcherOut, context, xml );
+		}
+
+		// Apply postFilter
+		if ( postFilter ) {
+			temp = condense( matcherOut, postMap );
+			postFilter( temp, [], context, xml );
+
+			// Un-match failing elements by moving them back to matcherIn
+			i = temp.length;
+			while ( i-- ) {
+				if ( (elem = temp[i]) ) {
+					matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
+				}
+			}
+		}
+
+		if ( seed ) {
+			if ( postFinder || preFilter ) {
+				if ( postFinder ) {
+					// Get the final matcherOut by condensing this intermediate into postFinder contexts
+					temp = [];
+					i = matcherOut.length;
+					while ( i-- ) {
+						if ( (elem = matcherOut[i]) ) {
+							// Restore matcherIn since elem is not yet a final match
+							temp.push( (matcherIn[i] = elem) );
+						}
+					}
+					postFinder( null, (matcherOut = []), temp, xml );
+				}
+
+				// Move matched elements from seed to results to keep them synchronized
+				i = matcherOut.length;
+				while ( i-- ) {
+					if ( (elem = matcherOut[i]) &&
+						(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
+
+						seed[temp] = !(results[temp] = elem);
+					}
+				}
+			}
+
+		// Add elements to results, through postFinder if defined
+		} else {
+			matcherOut = condense(
+				matcherOut === results ?
+					matcherOut.splice( preexisting, matcherOut.length ) :
+					matcherOut
+			);
+			if ( postFinder ) {
+				postFinder( null, results, matcherOut, xml );
+			} else {
+				push.apply( results, matcherOut );
+			}
+		}
+	});
+}
+
+function matcherFromTokens( tokens ) {
+	var checkContext, matcher, j,
+		len = tokens.length,
+		leadingRelative = Expr.relative[ tokens[0].type ],
+		implicitRelative = leadingRelative || Expr.relative[" "],
+		i = leadingRelative ? 1 : 0,
+
+		// The foundational matcher ensures that elements are reachable from top-level context(s)
+		matchContext = addCombinator( function( elem ) {
+			return elem === checkContext;
+		}, implicitRelative, true ),
+		matchAnyContext = addCombinator( function( elem ) {
+			return indexOf( checkContext, elem ) > -1;
+		}, implicitRelative, true ),
+		matchers = [ function( elem, context, xml ) {
+			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
+				(checkContext = context).nodeType ?
+					matchContext( elem, context, xml ) :
+					matchAnyContext( elem, context, xml ) );
+			// Avoid hanging onto element (issue #299)
+			checkContext = null;
+			return ret;
+		} ];
+
+	for ( ; i < len; i++ ) {
+		if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
+			matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
+		} else {
+			matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
+
+			// Return special upon seeing a positional matcher
+			if ( matcher[ expando ] ) {
+				// Find the next relative operator (if any) for proper handling
+				j = ++i;
+				for ( ; j < len; j++ ) {
+					if ( Expr.relative[ tokens[j].type ] ) {
+						break;
+					}
+				}
+				return setMatcher(
+					i > 1 && elementMatcher( matchers ),
+					i > 1 && toSelector(
+						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
+						tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
+					).replace( rtrim, "$1" ),
+					matcher,
+					i < j && matcherFromTokens( tokens.slice( i, j ) ),
+					j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
+					j < len && toSelector( tokens )
+				);
+			}
+			matchers.push( matcher );
+		}
+	}
+
+	return elementMatcher( matchers );
+}
+
+function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
+	var bySet = setMatchers.length > 0,
+		byElement = elementMatchers.length > 0,
+		superMatcher = function( seed, context, xml, results, outermost ) {
+			var elem, j, matcher,
+				matchedCount = 0,
+				i = "0",
+				unmatched = seed && [],
+				setMatched = [],
+				contextBackup = outermostContext,
+				// We must always have either seed elements or outermost context
+				elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
+				// Use integer dirruns iff this is the outermost matcher
+				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
+				len = elems.length;
+
+			if ( outermost ) {
+				outermostContext = context === document || context || outermost;
+			}
+
+			// Add elements passing elementMatchers directly to results
+			// Support: IE<9, Safari
+			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
+			for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
+				if ( byElement && elem ) {
+					j = 0;
+					if ( !context && elem.ownerDocument !== document ) {
+						setDocument( elem );
+						xml = !documentIsHTML;
+					}
+					while ( (matcher = elementMatchers[j++]) ) {
+						if ( matcher( elem, context || document, xml) ) {
+							results.push( elem );
+							break;
+						}
+					}
+					if ( outermost ) {
+						dirruns = dirrunsUnique;
+					}
+				}
+
+				// Track unmatched elements for set filters
+				if ( bySet ) {
+					// They will have gone through all possible matchers
+					if ( (elem = !matcher && elem) ) {
+						matchedCount--;
+					}
+
+					// Lengthen the array for every element, matched or not
+					if ( seed ) {
+						unmatched.push( elem );
+					}
+				}
+			}
+
+			// `i` is now the count of elements visited above, and adding it to `matchedCount`
+			// makes the latter nonnegative.
+			matchedCount += i;
+
+			// Apply set filters to unmatched elements
+			// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
+			// equals `i`), unless we didn't visit _any_ elements in the above loop because we have
+			// no element matchers and no seed.
+			// Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
+			// case, which will result in a "00" `matchedCount` that differs from `i` but is also
+			// numerically zero.
+			if ( bySet && i !== matchedCount ) {
+				j = 0;
+				while ( (matcher = setMatchers[j++]) ) {
+					matcher( unmatched, setMatched, context, xml );
+				}
+
+				if ( seed ) {
+					// Reintegrate element matches to eliminate the need for sorting
+					if ( matchedCount > 0 ) {
+						while ( i-- ) {
+							if ( !(unmatched[i] || setMatched[i]) ) {
+								setMatched[i] = pop.call( results );
+							}
+						}
+					}
+
+					// Discard index placeholder values to get only actual matches
+					setMatched = condense( setMatched );
+				}
+
+				// Add matches to results
+				push.apply( results, setMatched );
+
+				// Seedless set matches succeeding multiple successful matchers stipulate sorting
+				if ( outermost && !seed && setMatched.length > 0 &&
+					( matchedCount + setMatchers.length ) > 1 ) {
+
+					Sizzle.uniqueSort( results );
+				}
+			}
+
+			// Override manipulation of globals by nested matchers
+			if ( outermost ) {
+				dirruns = dirrunsUnique;
+				outermostContext = contextBackup;
+			}
+
+			return unmatched;
+		};
+
+	return bySet ?
+		markFunction( superMatcher ) :
+		superMatcher;
+}
+
+compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
+	var i,
+		setMatchers = [],
+		elementMatchers = [],
+		cached = compilerCache[ selector + " " ];
+
+	if ( !cached ) {
+		// Generate a function of recursive functions that can be used to check each element
+		if ( !match ) {
+			match = tokenize( selector );
+		}
+		i = match.length;
+		while ( i-- ) {
+			cached = matcherFromTokens( match[i] );
+			if ( cached[ expando ] ) {
+				setMatchers.push( cached );
+			} else {
+				elementMatchers.push( cached );
+			}
+		}
+
+		// Cache the compiled function
+		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
+
+		// Save selector and tokenization
+		cached.selector = selector;
+	}
+	return cached;
+};
+
+/**
+ * A low-level selection function that works with Sizzle's compiled
+ *  selector functions
+ * @param {String|Function} selector A selector or a pre-compiled
+ *  selector function built with Sizzle.compile
+ * @param {Element} context
+ * @param {Array} [results]
+ * @param {Array} [seed] A set of elements to match against
+ */
+select = Sizzle.select = function( selector, context, results, seed ) {
+	var i, tokens, token, type, find,
+		compiled = typeof selector === "function" && selector,
+		match = !seed && tokenize( (selector = compiled.selector || selector) );
+
+	results = results || [];
+
+	// Try to minimize operations if there is only one selector in the list and no seed
+	// (the latter of which guarantees us context)
+	if ( match.length === 1 ) {
+
+		// Reduce context if the leading compound selector is an ID
+		tokens = match[0] = match[0].slice( 0 );
+		if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
+				context.nodeType === 9 && documentIsHTML && Expr.relative[ tokens[1].type ] ) {
+
+			context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
+			if ( !context ) {
+				return results;
+
+			// Precompiled matchers will still verify ancestry, so step up a level
+			} else if ( compiled ) {
+				context = context.parentNode;
+			}
+
+			selector = selector.slice( tokens.shift().value.length );
+		}
+
+		// Fetch a seed set for right-to-left matching
+		i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
+		while ( i-- ) {
+			token = tokens[i];
+
+			// Abort if we hit a combinator
+			if ( Expr.relative[ (type = token.type) ] ) {
+				break;
+			}
+			if ( (find = Expr.find[ type ]) ) {
+				// Search, expanding context for leading sibling combinators
+				if ( (seed = find(
+					token.matches[0].replace( runescape, funescape ),
+					rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
+				)) ) {
+
+					// If seed is empty or no tokens remain, we can return early
+					tokens.splice( i, 1 );
+					selector = seed.length && toSelector( tokens );
+					if ( !selector ) {
+						push.apply( results, seed );
+						return results;
+					}
+
+					break;
+				}
+			}
+		}
+	}
+
+	// Compile and execute a filtering function if one is not provided
+	// Provide `match` to avoid retokenization if we modified the selector above
+	( compiled || compile( selector, match ) )(
+		seed,
+		context,
+		!documentIsHTML,
+		results,
+		!context || rsibling.test( selector ) && testContext( context.parentNode ) || context
+	);
+	return results;
+};
+
+// One-time assignments
+
+// Sort stability
+support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
+
+// Support: Chrome 14-35+
+// Always assume duplicates if they aren't passed to the comparison function
+support.detectDuplicates = !!hasDuplicate;
+
+// Initialize against the default document
+setDocument();
+
+// Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
+// Detached nodes confoundingly follow *each other*
+support.sortDetached = assert(function( el ) {
+	// Should return 1, but returns 4 (following)
+	return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
+});
+
+// Support: IE<8
+// Prevent attribute/property "interpolation"
+// https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
+if ( !assert(function( el ) {
+	el.innerHTML = "<a href='#'></a>";
+	return el.firstChild.getAttribute("href") === "#" ;
+}) ) {
+	addHandle( "type|href|height|width", function( elem, name, isXML ) {
+		if ( !isXML ) {
+			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
+		}
+	});
+}
+
+// Support: IE<9
+// Use defaultValue in place of getAttribute("value")
+if ( !support.attributes || !assert(function( el ) {
+	el.innerHTML = "<input/>";
+	el.firstChild.setAttribute( "value", "" );
+	return el.firstChild.getAttribute( "value" ) === "";
+}) ) {
+	addHandle( "value", function( elem, name, isXML ) {
+		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
+			return elem.defaultValue;
+		}
+	});
+}
+
+// Support: IE<9
+// Use getAttributeNode to fetch booleans when getAttribute lies
+if ( !assert(function( el ) {
+	return el.getAttribute("disabled") == null;
+}) ) {
+	addHandle( booleans, function( elem, name, isXML ) {
+		var val;
+		if ( !isXML ) {
+			return elem[ name ] === true ? name.toLowerCase() :
+					(val = elem.getAttributeNode( name )) && val.specified ?
+					val.value :
+				null;
+		}
+	});
+}
+
+return Sizzle;
+
+})( window );
+
+
+
+jQuery.find = Sizzle;
+jQuery.expr = Sizzle.selectors;
+
+// Deprecated
+jQuery.expr[ ":" ] = jQuery.expr.pseudos;
+jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
+jQuery.text = Sizzle.getText;
+jQuery.isXMLDoc = Sizzle.isXML;
+jQuery.contains = Sizzle.contains;
+jQuery.escapeSelector = Sizzle.escape;
+
+
+
+
+var dir = function( elem, dir, until ) {
+	var matched = [],
+		truncate = until !== undefined;
+
+	while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
+		if ( elem.nodeType === 1 ) {
+			if ( truncate && jQuery( elem ).is( until ) ) {
+				break;
+			}
+			matched.push( elem );
+		}
+	}
+	return matched;
+};
+
+
+var siblings = function( n, elem ) {
+	var matched = [];
+
+	for ( ; n; n = n.nextSibling ) {
+		if ( n.nodeType === 1 && n !== elem ) {
+			matched.push( n );
+		}
+	}
+
+	return matched;
+};
+
+
+var rneedsContext = jQuery.expr.match.needsContext;
+
+
+
+function nodeName( elem, name ) {
+
+  return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
+
+};
+var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
+
+
+
+var risSimple = /^.[^:#\[\.,]*$/;
+
+// Implement the identical functionality for filter and not
+function winnow( elements, qualifier, not ) {
+	if ( jQuery.isFunction( qualifier ) ) {
+		return jQuery.grep( elements, function( elem, i ) {
+			return !!qualifier.call( elem, i, elem ) !== not;
+		} );
+	}
+
+	// Single element
+	if ( qualifier.nodeType ) {
+		return jQuery.grep( elements, function( elem ) {
+			return ( elem === qualifier ) !== not;
+		} );
+	}
+
+	// Arraylike of elements (jQuery, arguments, Array)
+	if ( typeof qualifier !== "string" ) {
+		return jQuery.grep( elements, function( elem ) {
+			return ( indexOf.call( qualifier, elem ) > -1 ) !== not;
+		} );
+	}
+
+	// Simple selector that can be filtered directly, removing non-Elements
+	if ( risSimple.test( qualifier ) ) {
+		return jQuery.filter( qualifier, elements, not );
+	}
+
+	// Complex selector, compare the two sets, removing non-Elements
+	qualifier = jQuery.filter( qualifier, elements );
+	return jQuery.grep( elements, function( elem ) {
+		return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1;
+	} );
+}
+
+jQuery.filter = function( expr, elems, not ) {
+	var elem = elems[ 0 ];
+
+	if ( not ) {
+		expr = ":not(" + expr + ")";
+	}
+
+	if ( elems.length === 1 && elem.nodeType === 1 ) {
+		return jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [];
+	}
+
+	return jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
+		return elem.nodeType === 1;
+	} ) );
+};
+
+jQuery.fn.extend( {
+	find: function( selector ) {
+		var i, ret,
+			len = this.length,
+			self = this;
+
+		if ( typeof selector !== "string" ) {
+			return this.pushStack( jQuery( selector ).filter( function() {
+				for ( i = 0; i < len; i++ ) {
+					if ( jQuery.contains( self[ i ], this ) ) {
+						return true;
+					}
+				}
+			} ) );
+		}
+
+		ret = this.pushStack( [] );
+
+		for ( i = 0; i < len; i++ ) {
+			jQuery.find( selector, self[ i ], ret );
+		}
+
+		return len > 1 ? jQuery.uniqueSort( ret ) : ret;
+	},
+	filter: function( selector ) {
+		return this.pushStack( winnow( this, selector || [], false ) );
+	},
+	not: function( selector ) {
+		return this.pushStack( winnow( this, selector || [], true ) );
+	},
+	is: function( selector ) {
+		return !!winnow(
+			this,
+
+			// If this is a positional/relative selector, check membership in the returned set
+			// so $("p:first").is("p:last") won't return true for a doc with two "p".
+			typeof selector === "string" && rneedsContext.test( selector ) ?
+				jQuery( selector ) :
+				selector || [],
+			false
+		).length;
+	}
+} );
+
+
+// Initialize a jQuery object
+
+
+// A central reference to the root jQuery(document)
+var rootjQuery,
+
+	// A simple way to check for HTML strings
+	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
+	// Strict HTML recognition (#11290: must start with <)
+	// Shortcut simple #id case for speed
+	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
+
+	init = jQuery.fn.init = function( selector, context, root ) {
+		var match, elem;
+
+		// HANDLE: $(""), $(null), $(undefined), $(false)
+		if ( !selector ) {
+			return this;
+		}
+
+		// Method init() accepts an alternate rootjQuery
+		// so migrate can support jQuery.sub (gh-2101)
+		root = root || rootjQuery;
+
+		// Handle HTML strings
+		if ( typeof selector === "string" ) {
+			if ( selector[ 0 ] === "<" &&
+				selector[ selector.length - 1 ] === ">" &&
+				selector.length >= 3 ) {
+
+				// Assume that strings that start and end with <> are HTML and skip the regex check
+				match = [ null, selector, null ];
+
+			} else {
+				match = rquickExpr.exec( selector );
+			}
+
+			// Match html or make sure no context is specified for #id
+			if ( match && ( match[ 1 ] || !context ) ) {
+
+				// HANDLE: $(html) -> $(array)
+				if ( match[ 1 ] ) {
+					context = context instanceof jQuery ? context[ 0 ] : context;
+
+					// Option to run scripts is true for back-compat
+					// Intentionally let the error be thrown if parseHTML is not present
+					jQuery.merge( this, jQuery.parseHTML(
+						match[ 1 ],
+						context && context.nodeType ? context.ownerDocument || context : document,
+						true
+					) );
+
+					// HANDLE: $(html, props)
+					if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
+						for ( match in context ) {
+
+							// Properties of context are called as methods if possible
+							if ( jQuery.isFunction( this[ match ] ) ) {
+								this[ match ]( context[ match ] );
+
+							// ...and otherwise set as attributes
+							} else {
+								this.attr( match, context[ match ] );
+							}
+						}
+					}
+
+					return this;
+
+				// HANDLE: $(#id)
+				} else {
+					elem = document.getElementById( match[ 2 ] );
+
+					if ( elem ) {
+
+						// Inject the element directly into the jQuery object
+						this[ 0 ] = elem;
+						this.length = 1;
+					}
+					return this;
+				}
+
+			// HANDLE: $(expr, $(...))
+			} else if ( !context || context.jquery ) {
+				return ( context || root ).find( selector );
+
+			// HANDLE: $(expr, context)
+			// (which is just equivalent to: $(context).find(expr)
+			} else {
+				return this.constructor( context ).find( selector );
+			}
+
+		// HANDLE: $(DOMElement)
+		} else if ( selector.nodeType ) {
+			this[ 0 ] = selector;
+			this.length = 1;
+			return this;
+
+		// HANDLE: $(function)
+		// Shortcut for document ready
+		} else if ( jQuery.isFunction( selector ) ) {
+			return root.ready !== undefined ?
+				root.ready( selector ) :
+
+				// Execute immediately if ready is not present
+				selector( jQuery );
+		}
+
+		return jQuery.makeArray( selector, this );
+	};
+
+// Give the init function the jQuery prototype for later instantiation
+init.prototype = jQuery.fn;
+
+// Initialize central reference
+rootjQuery = jQuery( document );
+
+
+var rparentsprev = /^(?:parents|prev(?:Until|All))/,
+
+	// Methods guaranteed to produce a unique set when starting from a unique set
+	guaranteedUnique = {
+		children: true,
+		contents: true,
+		next: true,
+		prev: true
+	};
+
+jQuery.fn.extend( {
+	has: function( target ) {
+		var targets = jQuery( target, this ),
+			l = targets.length;
+
+		return this.filter( function() {
+			var i = 0;
+			for ( ; i < l; i++ ) {
+				if ( jQuery.contains( this, targets[ i ] ) ) {
+					return true;
+				}
+			}
+		} );
+	},
+
+	closest: function( selectors, context ) {
+		var cur,
+			i = 0,
+			l = this.length,
+			matched = [],
+			targets = typeof selectors !== "string" && jQuery( selectors );
+
+		// Positional selectors never match, since there's no _selection_ context
+		if ( !rneedsContext.test( selectors ) ) {
+			for ( ; i < l; i++ ) {
+				for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
+
+					// Always skip document fragments
+					if ( cur.nodeType < 11 && ( targets ?
+						targets.index( cur ) > -1 :
+
+						// Don't pass non-elements to Sizzle
+						cur.nodeType === 1 &&
+							jQuery.find.matchesSelector( cur, selectors ) ) ) {
+
+						matched.push( cur );
+						break;
+					}
+				}
+			}
+		}
+
+		return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
+	},
+
+	// Determine the position of an element within the set
+	index: function( elem ) {
+
+		// No argument, return index in parent
+		if ( !elem ) {
+			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
+		}
+
+		// Index in selector
+		if ( typeof elem === "string" ) {
+			return indexOf.call( jQuery( elem ), this[ 0 ] );
+		}
+
+		// Locate the position of the desired element
+		return indexOf.call( this,
+
+			// If it receives a jQuery object, the first element is used
+			elem.jquery ? elem[ 0 ] : elem
+		);
+	},
+
+	add: function( selector, context ) {
+		return this.pushStack(
+			jQuery.uniqueSort(
+				jQuery.merge( this.get(), jQuery( selector, context ) )
+			)
+		);
+	},
+
+	addBack: function( selector ) {
+		return this.add( selector == null ?
+			this.prevObject : this.prevObject.filter( selector )
+		);
+	}
+} );
+
+function sibling( cur, dir ) {
+	while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
+	return cur;
+}
+
+jQuery.each( {
+	parent: function( elem ) {
+		var parent = elem.parentNode;
+		return parent && parent.nodeType !== 11 ? parent : null;
+	},
+	parents: function( elem ) {
+		return dir( elem, "parentNode" );
+	},
+	parentsUntil: function( elem, i, until ) {
+		return dir( elem, "parentNode", until );
+	},
+	next: function( elem ) {
+		return sibling( elem, "nextSibling" );
+	},
+	prev: function( elem ) {
+		return sibling( elem, "previousSibling" );
+	},
+	nextAll: function( elem ) {
+		return dir( elem, "nextSibling" );
+	},
+	prevAll: function( elem ) {
+		return dir( elem, "previousSibling" );
+	},
+	nextUntil: function( elem, i, until ) {
+		return dir( elem, "nextSibling", until );
+	},
+	prevUntil: function( elem, i, until ) {
+		return dir( elem, "previousSibling", until );
+	},
+	siblings: function( elem ) {
+		return siblings( ( elem.parentNode || {} ).firstChild, elem );
+	},
+	children: function( elem ) {
+		return siblings( elem.firstChild );
+	},
+	contents: function( elem ) {
+        if ( nodeName( elem, "iframe" ) ) {
+            return elem.contentDocument;
+        }
+
+        // Support: IE 9 - 11 only, iOS 7 only, Android Browser <=4.3 only
+        // Treat the template element as a regular one in browsers that
+        // don't support it.
+        if ( nodeName( elem, "template" ) ) {
+            elem = elem.content || elem;
+        }
+
+        return jQuery.merge( [], elem.childNodes );
+	}
+}, function( name, fn ) {
+	jQuery.fn[ name ] = function( until, selector ) {
+		var matched = jQuery.map( this, fn, until );
+
+		if ( name.slice( -5 ) !== "Until" ) {
+			selector = until;
+		}
+
+		if ( selector && typeof selector === "string" ) {
+			matched = jQuery.filter( selector, matched );
+		}
+
+		if ( this.length > 1 ) {
+
+			// Remove duplicates
+			if ( !guaranteedUnique[ name ] ) {
+				jQuery.uniqueSort( matched );
+			}
+
+			// Reverse order for parents* and prev-derivatives
+			if ( rparentsprev.test( name ) ) {
+				matched.reverse();
+			}
+		}
+
+		return this.pushStack( matched );
+	};
+} );
+var rnothtmlwhite = ( /[^\x20\t\r\n\f]+/g );
+
+
+
+// Convert String-formatted options into Object-formatted ones
+function createOptions( options ) {
+	var object = {};
+	jQuery.each( options.match( rnothtmlwhite ) || [], function( _, flag ) {
+		object[ flag ] = true;
+	} );
+	return object;
+}
+
+/*
+ * Create a callback list using the following parameters:
+ *
+ *	options: an optional list of space-separated options that will change how
+ *			the callback list behaves or a more traditional option object
+ *
+ * By default a callback list will act like an event callback list and can be
+ * "fired" multiple times.
+ *
+ * Possible options:
+ *
+ *	once:			will ensure the callback list can only be fired once (like a Deferred)
+ *
+ *	memory:			will keep track of previous values and will call any callback added
+ *					after the list has been fired right away with the latest "memorized"
+ *					values (like a Deferred)
+ *
+ *	unique:			will ensure a callback can only be added once (no duplicate in the list)
+ *
+ *	stopOnFalse:	interrupt callings when a callback returns false
+ *
+ */
+jQuery.Callbacks = function( options ) {
+
+	// Convert options from String-formatted to Object-formatted if needed
+	// (we check in cache first)
+	options = typeof options === "string" ?
+		createOptions( options ) :
+		jQuery.extend( {}, options );
+
+	var // Flag to know if list is currently firing
+		firing,
+
+		// Last fire value for non-forgettable lists
+		memory,
+
+		// Flag to know if list was already fired
+		fired,
+
+		// Flag to prevent firing
+		locked,
+
+		// Actual callback list
+		list = [],
+
+		// Queue of execution data for repeatable lists
+		queue = [],
+
+		// Index of currently firing callback (modified by add/remove as needed)
+		firingIndex = -1,
+
+		// Fire callbacks
+		fire = function() {
+
+			// Enforce single-firing
+			locked = locked || options.once;
+
+			// Execute callbacks for all pending executions,
+			// respecting firingIndex overrides and runtime changes
+			fired = firing = true;
+			for ( ; queue.length; firingIndex = -1 ) {
+				memory = queue.shift();
+				while ( ++firingIndex < list.length ) {
+
+					// Run callback and check for early termination
+					if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
+						options.stopOnFalse ) {
+
+						// Jump to end and forget the data so .add doesn't re-fire
+						firingIndex = list.length;
+						memory = false;
+					}
+				}
+			}
+
+			// Forget the data if we're done with it
+			if ( !options.memory ) {
+				memory = false;
+			}
+
+			firing = false;
+
+			// Clean up if we're done firing for good
+			if ( locked ) {
+
+				// Keep an empty list if we have data for future add calls
+				if ( memory ) {
+					list = [];
+
+				// Otherwise, this object is spent
+				} else {
+					list = "";
+				}
+			}
+		},
+
+		// Actual Callbacks object
+		self = {
+
+			// Add a callback or a collection of callbacks to the list
+			add: function() {
+				if ( list ) {
+
+					// If we have memory from a past run, we should fire after adding
+					if ( memory && !firing ) {
+						firingIndex = list.length - 1;
+						queue.push( memory );
+					}
+
+					( function add( args ) {
+						jQuery.each( args, function( _, arg ) {
+							if ( jQuery.isFunction( arg ) ) {
+								if ( !options.unique || !self.has( arg ) ) {
+									list.push( arg );
+								}
+							} else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) {
+
+								// Inspect recursively
+								add( arg );
+							}
+						} );
+					} )( arguments );
+
+					if ( memory && !firing ) {
+						fire();
+					}
+				}
+				return this;
+			},
+
+			// Remove a callback from the list
+			remove: function() {
+				jQuery.each( arguments, function( _, arg ) {
+					var index;
+					while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
+						list.splice( index, 1 );
+
+						// Handle firing indexes
+						if ( index <= firingIndex ) {
+							firingIndex--;
+						}
+					}
+				} );
+				return this;
+			},
+
+			// Check if a given callback is in the list.
+			// If no argument is given, return whether or not list has callbacks attached.
+			has: function( fn ) {
+				return fn ?
+					jQuery.inArray( fn, list ) > -1 :
+					list.length > 0;
+			},
+
+			// Remove all callbacks from the list
+			empty: function() {
+				if ( list ) {
+					list = [];
+				}
+				return this;
+			},
+
+			// Disable .fire and .add
+			// Abort any current/pending executions
+			// Clear all callbacks and values
+			disable: function() {
+				locked = queue = [];
+				list = memory = "";
+				return this;
+			},
+			disabled: function() {
+				return !list;
+			},
+
+			// Disable .fire
+			// Also disable .add unless we have memory (since it would have no effect)
+			// Abort any pending executions
+			lock: function() {
+				locked = queue = [];
+				if ( !memory && !firing ) {
+					list = memory = "";
+				}
+				return this;
+			},
+			locked: function() {
+				return !!locked;
+			},
+
+			// Call all callbacks with the given context and arguments
+			fireWith: function( context, args ) {
+				if ( !locked ) {
+					args = args || [];
+					args = [ context, args.slice ? args.slice() : args ];
+					queue.push( args );
+					if ( !firing ) {
+						fire();
+					}
+				}
+				return this;
+			},
+
+			// Call all the callbacks with the given arguments
+			fire: function() {
+				self.fireWith( this, arguments );
+				return this;
+			},
+
+			// To know if the callbacks have already been called at least once
+			fired: function() {
+				return !!fired;
+			}
+		};
+
+	return self;
+};
+
+
+function Identity( v ) {
+	return v;
+}
+function Thrower( ex ) {
+	throw ex;
+}
+
+function adoptValue( value, resolve, reject, noValue ) {
+	var method;
+
+	try {
+
+		// Check for promise aspect first to privilege synchronous behavior
+		if ( value && jQuery.isFunction( ( method = value.promise ) ) ) {
+			method.call( value ).done( resolve ).fail( reject );
+
+		// Other thenables
+		} else if ( value && jQuery.isFunction( ( method = value.then ) ) ) {
+			method.call( value, resolve, reject );
+
+		// Other non-thenables
+		} else {
+
+			// Control `resolve` arguments by letting Array#slice cast boolean `noValue` to integer:
+			// * false: [ value ].slice( 0 ) => resolve( value )
+			// * true: [ value ].slice( 1 ) => resolve()
+			resolve.apply( undefined, [ value ].slice( noValue ) );
+		}
+
+	// For Promises/A+, convert exceptions into rejections
+	// Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
+	// Deferred#then to conditionally suppress rejection.
+	} catch ( value ) {
+
+		// Support: Android 4.0 only
+		// Strict mode functions invoked without .call/.apply get global-object context
+		reject.apply( undefined, [ value ] );
+	}
+}
+
+jQuery.extend( {
+
+	Deferred: function( func ) {
+		var tuples = [
+
+				// action, add listener, callbacks,
+				// ... .then handlers, argument index, [final state]
+				[ "notify", "progress", jQuery.Callbacks( "memory" ),
+					jQuery.Callbacks( "memory" ), 2 ],
+				[ "resolve", "done", jQuery.Callbacks( "once memory" ),
+					jQuery.Callbacks( "once memory" ), 0, "resolved" ],
+				[ "reject", "fail", jQuery.Callbacks( "once memory" ),
+					jQuery.Callbacks( "once memory" ), 1, "rejected" ]
+			],
+			state = "pending",
+			promise = {
+				state: function() {
+					return state;
+				},
+				always: function() {
+					deferred.done( arguments ).fail( arguments );
+					return this;
+				},
+				"catch": function( fn ) {
+					return promise.then( null, fn );
+				},
+
+				// Keep pipe for back-compat
+				pipe: function( /* fnDone, fnFail, fnProgress */ ) {
+					var fns = arguments;
+
+					return jQuery.Deferred( function( newDefer ) {
+						jQuery.each( tuples, function( i, tuple ) {
+
+							// Map tuples (progress, done, fail) to arguments (done, fail, progress)
+							var fn = jQuery.isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
+
+							// deferred.progress(function() { bind to newDefer or newDefer.notify })
+							// deferred.done(function() { bind to newDefer or newDefer.resolve })
+							// deferred.fail(function() { bind to newDefer or newDefer.reject })
+							deferred[ tuple[ 1 ] ]( function() {
+								var returned = fn && fn.apply( this, arguments );
+								if ( returned && jQuery.isFunction( returned.promise ) ) {
+									returned.promise()
+										.progress( newDefer.notify )
+										.done( newDefer.resolve )
+										.fail( newDefer.reject );
+								} else {
+									newDefer[ tuple[ 0 ] + "With" ](
+										this,
+										fn ? [ returned ] : arguments
+									);
+								}
+							} );
+						} );
+						fns = null;
+					} ).promise();
+				},
+				then: function( onFulfilled, onRejected, onProgress ) {
+					var maxDepth = 0;
+					function resolve( depth, deferred, handler, special ) {
+						return function() {
+							var that = this,
+								args = arguments,
+								mightThrow = function() {
+									var returned, then;
+
+									// Support: Promises/A+ section 2.3.3.3.3
+									// https://promisesaplus.com/#point-59
+									// Ignore double-resolution attempts
+									if ( depth < maxDepth ) {
+										return;
+									}
+
+									returned = handler.apply( that, args );
+
+									// Support: Promises/A+ section 2.3.1
+									// https://promisesaplus.com/#point-48
+									if ( returned === deferred.promise() ) {
+										throw new TypeError( "Thenable self-resolution" );
+									}
+
+									// Support: Promises/A+ sections 2.3.3.1, 3.5
+									// https://promisesaplus.com/#point-54
+									// https://promisesaplus.com/#point-75
+									// Retrieve `then` only once
+									then = returned &&
+
+										// Support: Promises/A+ section 2.3.4
+										// https://promisesaplus.com/#point-64
+										// Only check objects and functions for thenability
+										( typeof returned === "object" ||
+											typeof returned === "function" ) &&
+										returned.then;
+
+									// Handle a returned thenable
+									if ( jQuery.isFunction( then ) ) {
+
+										// Special processors (notify) just wait for resolution
+										if ( special ) {
+											then.call(
+												returned,
+												resolve( maxDepth, deferred, Identity, special ),
+												resolve( maxDepth, deferred, Thrower, special )
+											);
+
+										// Normal processors (resolve) also hook into progress
+										} else {
+
+											// ...and disregard older resolution values
+											maxDepth++;
+
+											then.call(
+												returned,
+												resolve( maxDepth, deferred, Identity, special ),
+												resolve( maxDepth, deferred, Thrower, special ),
+												resolve( maxDepth, deferred, Identity,
+													deferred.notifyWith )
+											);
+										}
+
+									// Handle all other returned values
+									} else {
+
+										// Only substitute handlers pass on context
+										// and multiple values (non-spec behavior)
+										if ( handler !== Identity ) {
+											that = undefined;
+											args = [ returned ];
+										}
+
+										// Process the value(s)
+										// Default process is resolve
+										( special || deferred.resolveWith )( that, args );
+									}
+								},
+
+								// Only normal processors (resolve) catch and reject exceptions
+								process = special ?
+									mightThrow :
+									function() {
+										try {
+											mightThrow();
+										} catch ( e ) {
+
+											if ( jQuery.Deferred.exceptionHook ) {
+												jQuery.Deferred.exceptionHook( e,
+													process.stackTrace );
+											}
+
+											// Support: Promises/A+ section 2.3.3.3.4.1
+											// https://promisesaplus.com/#point-61
+											// Ignore post-resolution exceptions
+											if ( depth + 1 >= maxDepth ) {
+
+												// Only substitute handlers pass on context
+												// and multiple values (non-spec behavior)
+												if ( handler !== Thrower ) {
+													that = undefined;
+													args = [ e ];
+												}
+
+												deferred.rejectWith( that, args );
+											}
+										}
+									};
+
+							// Support: Promises/A+ section 2.3.3.3.1
+							// https://promisesaplus.com/#point-57
+							// Re-resolve promises immediately to dodge false rejection from
+							// subsequent errors
+							if ( depth ) {
+								process();
+							} else {
+
+								// Call an optional hook to record the stack, in case of exception
+								// since it's otherwise lost when execution goes async
+								if ( jQuery.Deferred.getStackHook ) {
+									process.stackTrace = jQuery.Deferred.getStackHook();
+								}
+								window.setTimeout( process );
+							}
+						};
+					}
+
+					return jQuery.Deferred( function( newDefer ) {
+
+						// progress_handlers.add( ... )
+						tuples[ 0 ][ 3 ].add(
+							resolve(
+								0,
+								newDefer,
+								jQuery.isFunction( onProgress ) ?
+									onProgress :
+									Identity,
+								newDefer.notifyWith
+							)
+						);
+
+						// fulfilled_handlers.add( ... )
+						tuples[ 1 ][ 3 ].add(
+							resolve(
+								0,
+								newDefer,
+								jQuery.isFunction( onFulfilled ) ?
+									onFulfilled :
+									Identity
+							)
+						);
+
+						// rejected_handlers.add( ... )
+						tuples[ 2 ][ 3 ].add(
+							resolve(
+								0,
+								newDefer,
+								jQuery.isFunction( onRejected ) ?
+									onRejected :
+									Thrower
+							)
+						);
+					} ).promise();
+				},
+
+				// Get a promise for this deferred
+				// If obj is provided, the promise aspect is added to the object
+				promise: function( obj ) {
+					return obj != null ? jQuery.extend( obj, promise ) : promise;
+				}
+			},
+			deferred = {};
+
+		// Add list-specific methods
+		jQuery.each( tuples, function( i, tuple ) {
+			var list = tuple[ 2 ],
+				stateString = tuple[ 5 ];
+
+			// promise.progress = list.add
+			// promise.done = list.add
+			// promise.fail = list.add
+			promise[ tuple[ 1 ] ] = list.add;
+
+			// Handle state
+			if ( stateString ) {
+				list.add(
+					function() {
+
+						// state = "resolved" (i.e., fulfilled)
+						// state = "rejected"
+						state = stateString;
+					},
+
+					// rejected_callbacks.disable
+					// fulfilled_callbacks.disable
+					tuples[ 3 - i ][ 2 ].disable,
+
+					// progress_callbacks.lock
+					tuples[ 0 ][ 2 ].lock
+				);
+			}
+
+			// progress_handlers.fire
+			// fulfilled_handlers.fire
+			// rejected_handlers.fire
+			list.add( tuple[ 3 ].fire );
+
+			// deferred.notify = function() { deferred.notifyWith(...) }
+			// deferred.resolve = function() { deferred.resolveWith(...) }
+			// deferred.reject = function() { deferred.rejectWith(...) }
+			deferred[ tuple[ 0 ] ] = function() {
+				deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
+				return this;
+			};
+
+			// deferred.notifyWith = list.fireWith
+			// deferred.resolveWith = list.fireWith
+			// deferred.rejectWith = list.fireWith
+			deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
+		} );
+
+		// Make the deferred a promise
+		promise.promise( deferred );
+
+		// Call given func if any
+		if ( func ) {
+			func.call( deferred, deferred );
+		}
+
+		// All done!
+		return deferred;
+	},
+
+	// Deferred helper
+	when: function( singleValue ) {
+		var
+
+			// count of uncompleted subordinates
+			remaining = arguments.length,
+
+			// count of unprocessed arguments
+			i = remaining,
+
+			// subordinate fulfillment data
+			resolveContexts = Array( i ),
+			resolveValues = slice.call( arguments ),
+
+			// the master Deferred
+			master = jQuery.Deferred(),
+
+			// subordinate callback factory
+			updateFunc = function( i ) {
+				return function( value ) {
+					resolveContexts[ i ] = this;
+					resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
+					if ( !( --remaining ) ) {
+						master.resolveWith( resolveContexts, resolveValues );
+					}
+				};
+			};
+
+		// Single- and empty arguments are adopted like Promise.resolve
+		if ( remaining <= 1 ) {
+			adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject,
+				!remaining );
+
+			// Use .then() to unwrap secondary thenables (cf. gh-3000)
+			if ( master.state() === "pending" ||
+				jQuery.isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
+
+				return master.then();
+			}
+		}
+
+		// Multiple arguments are aggregated like Promise.all array elements
+		while ( i-- ) {
+			adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
+		}
+
+		return master.promise();
+	}
+} );
+
+
+// These usually indicate a programmer mistake during development,
+// warn about them ASAP rather than swallowing them by default.
+var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
+
+jQuery.Deferred.exceptionHook = function( error, stack ) {
+
+	// Support: IE 8 - 9 only
+	// Console exists when dev tools are open, which can happen at any time
+	if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
+		window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
+	}
+};
+
+
+
+
+jQuery.readyException = function( error ) {
+	window.setTimeout( function() {
+		throw error;
+	} );
+};
+
+
+
+
+// The deferred used on DOM ready
+var readyList = jQuery.Deferred();
+
+jQuery.fn.ready = function( fn ) {
+
+	readyList
+		.then( fn )
+
+		// Wrap jQuery.readyException in a function so that the lookup
+		// happens at the time of error handling instead of callback
+		// registration.
+		.catch( function( error ) {
+			jQuery.readyException( error );
+		} );
+
+	return this;
+};
+
+jQuery.extend( {
+
+	// Is the DOM ready to be used? Set to true once it occurs.
+	isReady: false,
+
+	// A counter to track how many items to wait for before
+	// the ready event fires. See #6781
+	readyWait: 1,
+
+	// Handle when the DOM is ready
+	ready: function( wait ) {
+
+		// Abort if there are pending holds or we're already ready
+		if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
+			return;
+		}
+
+		// Remember that the DOM is ready
+		jQuery.isReady = true;
+
+		// If a normal DOM Ready event fired, decrement, and wait if need be
+		if ( wait !== true && --jQuery.readyWait > 0 ) {
+			return;
+		}
+
+		// If there are functions bound, to execute
+		readyList.resolveWith( document, [ jQuery ] );
+	}
+} );
+
+jQuery.ready.then = readyList.then;
+
+// The ready event handler and self cleanup method
+function completed() {
+	document.removeEventListener( "DOMContentLoaded", completed );
+	window.removeEventListener( "load", completed );
+	jQuery.ready();
+}
+
+// Catch cases where $(document).ready() is called
+// after the browser event has already occurred.
+// Support: IE <=9 - 10 only
+// Older IE sometimes signals "interactive" too soon
+if ( document.readyState === "complete" ||
+	( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
+
+	// Handle it asynchronously to allow scripts the opportunity to delay ready
+	window.setTimeout( jQuery.ready );
+
+} else {
+
+	// Use the handy event callback
+	document.addEventListener( "DOMContentLoaded", completed );
+
+	// A fallback to window.onload, that will always work
+	window.addEventListener( "load", completed );
+}
+
+
+
+
+// Multifunctional method to get and set values of a collection
+// The value/s can optionally be executed if it's a function
+var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
+	var i = 0,
+		len = elems.length,
+		bulk = key == null;
+
+	// Sets many values
+	if ( jQuery.type( key ) === "object" ) {
+		chainable = true;
+		for ( i in key ) {
+			access( elems, fn, i, key[ i ], true, emptyGet, raw );
+		}
+
+	// Sets one value
+	} else if ( value !== undefined ) {
+		chainable = true;
+
+		if ( !jQuery.isFunction( value ) ) {
+			raw = true;
+		}
+
+		if ( bulk ) {
+
+			// Bulk operations run against the entire set
+			if ( raw ) {
+				fn.call( elems, value );
+				fn = null;
+
+			// ...except when executing function values
+			} else {
+				bulk = fn;
+				fn = function( elem, key, value ) {
+					return bulk.call( jQuery( elem ), value );
+				};
+			}
+		}
+
+		if ( fn ) {
+			for ( ; i < len; i++ ) {
+				fn(
+					elems[ i ], key, raw ?
+					value :
+					value.call( elems[ i ], i, fn( elems[ i ], key ) )
+				);
+			}
+		}
+	}
+
+	if ( chainable ) {
+		return elems;
+	}
+
+	// Gets
+	if ( bulk ) {
+		return fn.call( elems );
+	}
+
+	return len ? fn( elems[ 0 ], key ) : emptyGet;
+};
+var acceptData = function( owner ) {
+
+	// Accepts only:
+	//  - Node
+	//    - Node.ELEMENT_NODE
+	//    - Node.DOCUMENT_NODE
+	//  - Object
+	//    - Any
+	return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
+};
+
+
+
+
+function Data() {
+	this.expando = jQuery.expando + Data.uid++;
+}
+
+Data.uid = 1;
+
+Data.prototype = {
+
+	cache: function( owner ) {
+
+		// Check if the owner object already has a cache
+		var value = owner[ this.expando ];
+
+		// If not, create one
+		if ( !value ) {
+			value = {};
+
+			// We can accept data for non-element nodes in modern browsers,
+			// but we should not, see #8335.
+			// Always return an empty object.
+			if ( acceptData( owner ) ) {
+
+				// If it is a node unlikely to be stringify-ed or looped over
+				// use plain assignment
+				if ( owner.nodeType ) {
+					owner[ this.expando ] = value;
+
+				// Otherwise secure it in a non-enumerable property
+				// configurable must be true to allow the property to be
+				// deleted when data is removed
+				} else {
+					Object.defineProperty( owner, this.expando, {
+						value: value,
+						configurable: true
+					} );
+				}
+			}
+		}
+
+		return value;
+	},
+	set: function( owner, data, value ) {
+		var prop,
+			cache = this.cache( owner );
+
+		// Handle: [ owner, key, value ] args
+		// Always use camelCase key (gh-2257)
+		if ( typeof data === "string" ) {
+			cache[ jQuery.camelCase( data ) ] = value;
+
+		// Handle: [ owner, { properties } ] args
+		} else {
+
+			// Copy the properties one-by-one to the cache object
+			for ( prop in data ) {
+				cache[ jQuery.camelCase( prop ) ] = data[ prop ];
+			}
+		}
+		return cache;
+	},
+	get: function( owner, key ) {
+		return key === undefined ?
+			this.cache( owner ) :
+
+			// Always use camelCase key (gh-2257)
+			owner[ this.expando ] && owner[ this.expando ][ jQuery.camelCase( key ) ];
+	},
+	access: function( owner, key, value ) {
+
+		// In cases where either:
+		//
+		//   1. No key was specified
+		//   2. A string key was specified, but no value provided
+		//
+		// Take the "read" path and allow the get method to determine
+		// which value to return, respectively either:
+		//
+		//   1. The entire cache object
+		//   2. The data stored at the key
+		//
+		if ( key === undefined ||
+				( ( key && typeof key === "string" ) && value === undefined ) ) {
+
+			return this.get( owner, key );
+		}
+
+		// When the key is not a string, or both a key and value
+		// are specified, set or extend (existing objects) with either:
+		//
+		//   1. An object of properties
+		//   2. A key and value
+		//
+		this.set( owner, key, value );
+
+		// Since the "set" path can have two possible entry points
+		// return the expected data based on which path was taken[*]
+		return value !== undefined ? value : key;
+	},
+	remove: function( owner, key ) {
+		var i,
+			cache = owner[ this.expando ];
+
+		if ( cache === undefined ) {
+			return;
+		}
+
+		if ( key !== undefined ) {
+
+			// Support array or space separated string of keys
+			if ( Array.isArray( key ) ) {
+
+				// If key is an array of keys...
+				// We always set camelCase keys, so remove that.
+				key = key.map( jQuery.camelCase );
+			} else {
+				key = jQuery.camelCase( key );
+
+				// If a key with the spaces exists, use it.
+				// Otherwise, create an array by matching non-whitespace
+				key = key in cache ?
+					[ key ] :
+					( key.match( rnothtmlwhite ) || [] );
+			}
+
+			i = key.length;
+
+			while ( i-- ) {
+				delete cache[ key[ i ] ];
+			}
+		}
+
+		// Remove the expando if there's no more data
+		if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
+
+			// Support: Chrome <=35 - 45
+			// Webkit & Blink performance suffers when deleting properties
+			// from DOM nodes, so set to undefined instead
+			// https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
+			if ( owner.nodeType ) {
+				owner[ this.expando ] = undefined;
+			} else {
+				delete owner[ this.expando ];
+			}
+		}
+	},
+	hasData: function( owner ) {
+		var cache = owner[ this.expando ];
+		return cache !== undefined && !jQuery.isEmptyObject( cache );
+	}
+};
+var dataPriv = new Data();
+
+var dataUser = new Data();
+
+
+
+//	Implementation Summary
+//
+//	1. Enforce API surface and semantic compatibility with 1.9.x branch
+//	2. Improve the module's maintainability by reducing the storage
+//		paths to a single mechanism.
+//	3. Use the same single mechanism to support "private" and "user" data.
+//	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
+//	5. Avoid exposing implementation details on user objects (eg. expando properties)
+//	6. Provide a clear path for implementation upgrade to WeakMap in 2014
+
+var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
+	rmultiDash = /[A-Z]/g;
+
+function getData( data ) {
+	if ( data === "true" ) {
+		return true;
+	}
+
+	if ( data === "false" ) {
+		return false;
+	}
+
+	if ( data === "null" ) {
+		return null;
+	}
+
+	// Only convert to a number if it doesn't change the string
+	if ( data === +data + "" ) {
+		return +data;
+	}
+
+	if ( rbrace.test( data ) ) {
+		return JSON.parse( data );
+	}
+
+	return data;
+}
+
+function dataAttr( elem, key, data ) {
+	var name;
+
+	// If nothing was found internally, try to fetch any
+	// data from the HTML5 data-* attribute
+	if ( data === undefined && elem.nodeType === 1 ) {
+		name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
+		data = elem.getAttribute( name );
+
+		if ( typeof data === "string" ) {
+			try {
+				data = getData( data );
+			} catch ( e ) {}
+
+			// Make sure we set the data so it isn't changed later
+			dataUser.set( elem, key, data );
+		} else {
+			data = undefined;
+		}
+	}
+	return data;
+}
+
+jQuery.extend( {
+	hasData: function( elem ) {
+		return dataUser.hasData( elem ) || dataPriv.hasData( elem );
+	},
+
+	data: function( elem, name, data ) {
+		return dataUser.access( elem, name, data );
+	},
+
+	removeData: function( elem, name ) {
+		dataUser.remove( elem, name );
+	},
+
+	// TODO: Now that all calls to _data and _removeData have been replaced
+	// with direct calls to dataPriv methods, these can be deprecated.
+	_data: function( elem, name, data ) {
+		return dataPriv.access( elem, name, data );
+	},
+
+	_removeData: function( elem, name ) {
+		dataPriv.remove( elem, name );
+	}
+} );
+
+jQuery.fn.extend( {
+	data: function( key, value ) {
+		var i, name, data,
+			elem = this[ 0 ],
+			attrs = elem && elem.attributes;
+
+		// Gets all values
+		if ( key === undefined ) {
+			if ( this.length ) {
+				data = dataUser.get( elem );
+
+				if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
+					i = attrs.length;
+					while ( i-- ) {
+
+						// Support: IE 11 only
+						// The attrs elements can be null (#14894)
+						if ( attrs[ i ] ) {
+							name = attrs[ i ].name;
+							if ( name.indexOf( "data-" ) === 0 ) {
+								name = jQuery.camelCase( name.slice( 5 ) );
+								dataAttr( elem, name, data[ name ] );
+							}
+						}
+					}
+					dataPriv.set( elem, "hasDataAttrs", true );
+				}
+			}
+
+			return data;
+		}
+
+		// Sets multiple values
+		if ( typeof key === "object" ) {
+			return this.each( function() {
+				dataUser.set( this, key );
+			} );
+		}
+
+		return access( this, function( value ) {
+			var data;
+
+			// The calling jQuery object (element matches) is not empty
+			// (and therefore has an element appears at this[ 0 ]) and the
+			// `value` parameter was not undefined. An empty jQuery object
+			// will result in `undefined` for elem = this[ 0 ] which will
+			// throw an exception if an attempt to read a data cache is made.
+			if ( elem && value === undefined ) {
+
+				// Attempt to get data from the cache
+				// The key will always be camelCased in Data
+				data = dataUser.get( elem, key );
+				if ( data !== undefined ) {
+					return data;
+				}
+
+				// Attempt to "discover" the data in
+				// HTML5 custom data-* attrs
+				data = dataAttr( elem, key );
+				if ( data !== undefined ) {
+					return data;
+				}
+
+				// We tried really hard, but the data doesn't exist.
+				return;
+			}
+
+			// Set the data...
+			this.each( function() {
+
+				// We always store the camelCased key
+				dataUser.set( this, key, value );
+			} );
+		}, null, value, arguments.length > 1, null, true );
+	},
+
+	removeData: function( key ) {
+		return this.each( function() {
+			dataUser.remove( this, key );
+		} );
+	}
+} );
+
+
+jQuery.extend( {
+	queue: function( elem, type, data ) {
+		var queue;
+
+		if ( elem ) {
+			type = ( type || "fx" ) + "queue";
+			queue = dataPriv.get( elem, type );
+
+			// Speed up dequeue by getting out quickly if this is just a lookup
+			if ( data ) {
+				if ( !queue || Array.isArray( data ) ) {
+					queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
+				} else {
+					queue.push( data );
+				}
+			}
+			return queue || [];
+		}
+	},
+
+	dequeue: function( elem, type ) {
+		type = type || "fx";
+
+		var queue = jQuery.queue( elem, type ),
+			startLength = queue.length,
+			fn = queue.shift(),
+			hooks = jQuery._queueHooks( elem, type ),
+			next = function() {
+				jQuery.dequeue( elem, type );
+			};
+
+		// If the fx queue is dequeued, always remove the progress sentinel
+		if ( fn === "inprogress" ) {
+			fn = queue.shift();
+			startLength--;
+		}
+
+		if ( fn ) {
+
+			// Add a progress sentinel to prevent the fx queue from being
+			// automatically dequeued
+			if ( type === "fx" ) {
+				queue.unshift( "inprogress" );
+			}
+
+			// Clear up the last queue stop function
+			delete hooks.stop;
+			fn.call( elem, next, hooks );
+		}
+
+		if ( !startLength && hooks ) {
+			hooks.empty.fire();
+		}
+	},
+
+	// Not public - generate a queueHooks object, or return the current one
+	_queueHooks: function( elem, type ) {
+		var key = type + "queueHooks";
+		return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
+			empty: jQuery.Callbacks( "once memory" ).add( function() {
+				dataPriv.remove( elem, [ type + "queue", key ] );
+			} )
+		} );
+	}
+} );
+
+jQuery.fn.extend( {
+	queue: function( type, data ) {
+		var setter = 2;
+
+		if ( typeof type !== "string" ) {
+			data = type;
+			type = "fx";
+			setter--;
+		}
+
+		if ( arguments.length < setter ) {
+			return jQuery.queue( this[ 0 ], type );
+		}
+
+		return data === undefined ?
+			this :
+			this.each( function() {
+				var queue = jQuery.queue( this, type, data );
+
+				// Ensure a hooks for this queue
+				jQuery._queueHooks( this, type );
+
+				if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
+					jQuery.dequeue( this, type );
+				}
+			} );
+	},
+	dequeue: function( type ) {
+		return this.each( function() {
+			jQuery.dequeue( this, type );
+		} );
+	},
+	clearQueue: function( type ) {
+		return this.queue( type || "fx", [] );
+	},
+
+	// Get a promise resolved when queues of a certain type
+	// are emptied (fx is the type by default)
+	promise: function( type, obj ) {
+		var tmp,
+			count = 1,
+			defer = jQuery.Deferred(),
+			elements = this,
+			i = this.length,
+			resolve = function() {
+				if ( !( --count ) ) {
+					defer.resolveWith( elements, [ elements ] );
+				}
+			};
+
+		if ( typeof type !== "string" ) {
+			obj = type;
+			type = undefined;
+		}
+		type = type || "fx";
+
+		while ( i-- ) {
+			tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
+			if ( tmp && tmp.empty ) {
+				count++;
+				tmp.empty.add( resolve );
+			}
+		}
+		resolve();
+		return defer.promise( obj );
+	}
+} );
+var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
+
+var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
+
+
+var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
+
+var isHiddenWithinTree = function( elem, el ) {
+
+		// isHiddenWithinTree might be called from jQuery#filter function;
+		// in that case, element will be second argument
+		elem = el || elem;
+
+		// Inline style trumps all
+		return elem.style.display === "none" ||
+			elem.style.display === "" &&
+
+			// Otherwise, check computed style
+			// Support: Firefox <=43 - 45
+			// Disconnected elements can have computed display: none, so first confirm that elem is
+			// in the document.
+			jQuery.contains( elem.ownerDocument, elem ) &&
+
+			jQuery.css( elem, "display" ) === "none";
+	};
+
+var swap = function( elem, options, callback, args ) {
+	var ret, name,
+		old = {};
+
+	// Remember the old values, and insert the new ones
+	for ( name in options ) {
+		old[ name ] = elem.style[ name ];
+		elem.style[ name ] = options[ name ];
+	}
+
+	ret = callback.apply( elem, args || [] );
+
+	// Revert the old values
+	for ( name in options ) {
+		elem.style[ name ] = old[ name ];
+	}
+
+	return ret;
+};
+
+
+
+
+function adjustCSS( elem, prop, valueParts, tween ) {
+	var adjusted,
+		scale = 1,
+		maxIterations = 20,
+		currentValue = tween ?
+			function() {
+				return tween.cur();
+			} :
+			function() {
+				return jQuery.css( elem, prop, "" );
+			},
+		initial = currentValue(),
+		unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
+
+		// Starting value computation is required for potential unit mismatches
+		initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
+			rcssNum.exec( jQuery.css( elem, prop ) );
+
+	if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
+
+		// Trust units reported by jQuery.css
+		unit = unit || initialInUnit[ 3 ];
+
+		// Make sure we update the tween properties later on
+		valueParts = valueParts || [];
+
+		// Iteratively approximate from a nonzero starting point
+		initialInUnit = +initial || 1;
+
+		do {
+
+			// If previous iteration zeroed out, double until we get *something*.
+			// Use string for doubling so we don't accidentally see scale as unchanged below
+			scale = scale || ".5";
+
+			// Adjust and apply
+			initialInUnit = initialInUnit / scale;
+			jQuery.style( elem, prop, initialInUnit + unit );
+
+		// Update scale, tolerating zero or NaN from tween.cur()
+		// Break the loop if scale is unchanged or perfect, or if we've just had enough.
+		} while (
+			scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations
+		);
+	}
+
+	if ( valueParts ) {
+		initialInUnit = +initialInUnit || +initial || 0;
+
+		// Apply relative offset (+=/-=) if specified
+		adjusted = valueParts[ 1 ] ?
+			initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
+			+valueParts[ 2 ];
+		if ( tween ) {
+			tween.unit = unit;
+			tween.start = initialInUnit;
+			tween.end = adjusted;
+		}
+	}
+	return adjusted;
+}
+
+
+var defaultDisplayMap = {};
+
+function getDefaultDisplay( elem ) {
+	var temp,
+		doc = elem.ownerDocument,
+		nodeName = elem.nodeName,
+		display = defaultDisplayMap[ nodeName ];
+
+	if ( display ) {
+		return display;
+	}
+
+	temp = doc.body.appendChild( doc.createElement( nodeName ) );
+	display = jQuery.css( temp, "display" );
+
+	temp.parentNode.removeChild( temp );
+
+	if ( display === "none" ) {
+		display = "block";
+	}
+	defaultDisplayMap[ nodeName ] = display;
+
+	return display;
+}
+
+function showHide( elements, show ) {
+	var display, elem,
+		values = [],
+		index = 0,
+		length = elements.length;
+
+	// Determine new display value for elements that need to change
+	for ( ; index < length; index++ ) {
+		elem = elements[ index ];
+		if ( !elem.style ) {
+			continue;
+		}
+
+		display = elem.style.display;
+		if ( show ) {
+
+			// Since we force visibility upon cascade-hidden elements, an immediate (and slow)
+			// check is required in this first loop unless we have a nonempty display value (either
+			// inline or about-to-be-restored)
+			if ( display === "none" ) {
+				values[ index ] = dataPriv.get( elem, "display" ) || null;
+				if ( !values[ index ] ) {
+					elem.style.display = "";
+				}
+			}
+			if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
+				values[ index ] = getDefaultDisplay( elem );
+			}
+		} else {
+			if ( display !== "none" ) {
+				values[ index ] = "none";
+
+				// Remember what we're overwriting
+				dataPriv.set( elem, "display", display );
+			}
+		}
+	}
+
+	// Set the display of the elements in a second loop to avoid constant reflow
+	for ( index = 0; index < length; index++ ) {
+		if ( values[ index ] != null ) {
+			elements[ index ].style.display = values[ index ];
+		}
+	}
+
+	return elements;
+}
+
+jQuery.fn.extend( {
+	show: function() {
+		return showHide( this, true );
+	},
+	hide: function() {
+		return showHide( this );
+	},
+	toggle: function( state ) {
+		if ( typeof state === "boolean" ) {
+			return state ? this.show() : this.hide();
+		}
+
+		return this.each( function() {
+			if ( isHiddenWithinTree( this ) ) {
+				jQuery( this ).show();
+			} else {
+				jQuery( this ).hide();
+			}
+		} );
+	}
+} );
+var rcheckableType = ( /^(?:checkbox|radio)$/i );
+
+var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
+
+var rscriptType = ( /^$|\/(?:java|ecma)script/i );
+
+
+
+// We have to close these tags to support XHTML (#13200)
+var wrapMap = {
+
+	// Support: IE <=9 only
+	option: [ 1, "<select multiple='multiple'>", "</select>" ],
+
+	// XHTML parsers do not magically insert elements in the
+	// same way that tag soup parsers do. So we cannot shorten
+	// this by omitting <tbody> or other required elements.
+	thead: [ 1, "<table>", "</table>" ],
+	col: [ 2, "<table><colgroup>", "</colgroup></table>" ],
+	tr: [ 2, "<table><tbody>", "</tbody></table>" ],
+	td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
+
+	_default: [ 0, "", "" ]
+};
+
+// Support: IE <=9 only
+wrapMap.optgroup = wrapMap.option;
+
+wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
+wrapMap.th = wrapMap.td;
+
+
+function getAll( context, tag ) {
+
+	// Support: IE <=9 - 11 only
+	// Use typeof to avoid zero-argument method invocation on host objects (#15151)
+	var ret;
+
+	if ( typeof context.getElementsByTagName !== "undefined" ) {
+		ret = context.getElementsByTagName( tag || "*" );
+
+	} else if ( typeof context.querySelectorAll !== "undefined" ) {
+		ret = context.querySelectorAll( tag || "*" );
+
+	} else {
+		ret = [];
+	}
+
+	if ( tag === undefined || tag && nodeName( context, tag ) ) {
+		return jQuery.merge( [ context ], ret );
+	}
+
+	return ret;
+}
+
+
+// Mark scripts as having already been evaluated
+function setGlobalEval( elems, refElements ) {
+	var i = 0,
+		l = elems.length;
+
+	for ( ; i < l; i++ ) {
+		dataPriv.set(
+			elems[ i ],
+			"globalEval",
+			!refElements || dataPriv.get( refElements[ i ], "globalEval" )
+		);
+	}
+}
+
+
+var rhtml = /<|&#?\w+;/;
+
+function buildFragment( elems, context, scripts, selection, ignored ) {
+	var elem, tmp, tag, wrap, contains, j,
+		fragment = context.createDocumentFragment(),
+		nodes = [],
+		i = 0,
+		l = elems.length;
+
+	for ( ; i < l; i++ ) {
+		elem = elems[ i ];
+
+		if ( elem || elem === 0 ) {
+
+			// Add nodes directly
+			if ( jQuery.type( elem ) === "object" ) {
+
+				// Support: Android <=4.0 only, PhantomJS 1 only
+				// push.apply(_, arraylike) throws on ancient WebKit
+				jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
+
+			// Convert non-html into a text node
+			} else if ( !rhtml.test( elem ) ) {
+				nodes.push( context.createTextNode( elem ) );
+
+			// Convert html into DOM nodes
+			} else {
+				tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
+
+				// Deserialize a standard representation
+				tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
+				wrap = wrapMap[ tag ] || wrapMap._default;
+				tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
+
+				// Descend through wrappers to the right content
+				j = wrap[ 0 ];
+				while ( j-- ) {
+					tmp = tmp.lastChild;
+				}
+
+				// Support: Android <=4.0 only, PhantomJS 1 only
+				// push.apply(_, arraylike) throws on ancient WebKit
+				jQuery.merge( nodes, tmp.childNodes );
+
+				// Remember the top-level container
+				tmp = fragment.firstChild;
+
+				// Ensure the created nodes are orphaned (#12392)
+				tmp.textContent = "";
+			}
+		}
+	}
+
+	// Remove wrapper from fragment
+	fragment.textContent = "";
+
+	i = 0;
+	while ( ( elem = nodes[ i++ ] ) ) {
+
+		// Skip elements already in the context collection (trac-4087)
+		if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
+			if ( ignored ) {
+				ignored.push( elem );
+			}
+			continue;
+		}
+
+		contains = jQuery.contains( elem.ownerDocument, elem );
+
+		// Append to fragment
+		tmp = getAll( fragment.appendChild( elem ), "script" );
+
+		// Preserve script evaluation history
+		if ( contains ) {
+			setGlobalEval( tmp );
+		}
+
+		// Capture executables
+		if ( scripts ) {
+			j = 0;
+			while ( ( elem = tmp[ j++ ] ) ) {
+				if ( rscriptType.test( elem.type || "" ) ) {
+					scripts.push( elem );
+				}
+			}
+		}
+	}
+
+	return fragment;
+}
+
+
+( function() {
+	var fragment = document.createDocumentFragment(),
+		div = fragment.appendChild( document.createElement( "div" ) ),
+		input = document.createElement( "input" );
+
+	// Support: Android 4.0 - 4.3 only
+	// Check state lost if the name is set (#11217)
+	// Support: Windows Web Apps (WWA)
+	// `name` and `type` must use .setAttribute for WWA (#14901)
+	input.setAttribute( "type", "radio" );
+	input.setAttribute( "checked", "checked" );
+	input.setAttribute( "name", "t" );
+
+	div.appendChild( input );
+
+	// Support: Android <=4.1 only
+	// Older WebKit doesn't clone checked state correctly in fragments
+	support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
+
+	// Support: IE <=11 only
+	// Make sure textarea (and checkbox) defaultValue is properly cloned
+	div.innerHTML = "<textarea>x</textarea>";
+	support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
+} )();
+var documentElement = document.documentElement;
+
+
+
+var
+	rkeyEvent = /^key/,
+	rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
+	rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
+
+function returnTrue() {
+	return true;
+}
+
+function returnFalse() {
+	return false;
+}
+
+// Support: IE <=9 only
+// See #13393 for more info
+function safeActiveElement() {
+	try {
+		return document.activeElement;
+	} catch ( err ) { }
+}
+
+function on( elem, types, selector, data, fn, one ) {
+	var origFn, type;
+
+	// Types can be a map of types/handlers
+	if ( typeof types === "object" ) {
+
+		// ( types-Object, selector, data )
+		if ( typeof selector !== "string" ) {
+
+			// ( types-Object, data )
+			data = data || selector;
+			selector = undefined;
+		}
+		for ( type in types ) {
+			on( elem, type, selector, data, types[ type ], one );
+		}
+		return elem;
+	}
+
+	if ( data == null && fn == null ) {
+
+		// ( types, fn )
+		fn = selector;
+		data = selector = undefined;
+	} else if ( fn == null ) {
+		if ( typeof selector === "string" ) {
+
+			// ( types, selector, fn )
+			fn = data;
+			data = undefined;
+		} else {
+
+			// ( types, data, fn )
+			fn = data;
+			data = selector;
+			selector = undefined;
+		}
+	}
+	if ( fn === false ) {
+		fn = returnFalse;
+	} else if ( !fn ) {
+		return elem;
+	}
+
+	if ( one === 1 ) {
+		origFn = fn;
+		fn = function( event ) {
+
+			// Can use an empty set, since event contains the info
+			jQuery().off( event );
+			return origFn.apply( this, arguments );
+		};
+
+		// Use same guid so caller can remove using origFn
+		fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
+	}
+	return elem.each( function() {
+		jQuery.event.add( this, types, fn, data, selector );
+	} );
+}
+
+/*
+ * Helper functions for managing events -- not part of the public interface.
+ * Props to Dean Edwards' addEvent library for many of the ideas.
+ */
+jQuery.event = {
+
+	global: {},
+
+	add: function( elem, types, handler, data, selector ) {
+
+		var handleObjIn, eventHandle, tmp,
+			events, t, handleObj,
+			special, handlers, type, namespaces, origType,
+			elemData = dataPriv.get( elem );
+
+		// Don't attach events to noData or text/comment nodes (but allow plain objects)
+		if ( !elemData ) {
+			return;
+		}
+
+		// Caller can pass in an object of custom data in lieu of the handler
+		if ( handler.handler ) {
+			handleObjIn = handler;
+			handler = handleObjIn.handler;
+			selector = handleObjIn.selector;
+		}
+
+		// Ensure that invalid selectors throw exceptions at attach time
+		// Evaluate against documentElement in case elem is a non-element node (e.g., document)
+		if ( selector ) {
+			jQuery.find.matchesSelector( documentElement, selector );
+		}
+
+		// Make sure that the handler has a unique ID, used to find/remove it later
+		if ( !handler.guid ) {
+			handler.guid = jQuery.guid++;
+		}
+
+		// Init the element's event structure and main handler, if this is the first
+		if ( !( events = elemData.events ) ) {
+			events = elemData.events = {};
+		}
+		if ( !( eventHandle = elemData.handle ) ) {
+			eventHandle = elemData.handle = function( e ) {
+
+				// Discard the second event of a jQuery.event.trigger() and
+				// when an event is called after a page has unloaded
+				return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
+					jQuery.event.dispatch.apply( elem, arguments ) : undefined;
+			};
+		}
+
+		// Handle multiple events separated by a space
+		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
+		t = types.length;
+		while ( t-- ) {
+			tmp = rtypenamespace.exec( types[ t ] ) || [];
+			type = origType = tmp[ 1 ];
+			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
+
+			// There *must* be a type, no attaching namespace-only handlers
+			if ( !type ) {
+				continue;
+			}
+
+			// If event changes its type, use the special event handlers for the changed type
+			special = jQuery.event.special[ type ] || {};
+
+			// If selector defined, determine special event api type, otherwise given type
+			type = ( selector ? special.delegateType : special.bindType ) || type;
+
+			// Update special based on newly reset type
+			special = jQuery.event.special[ type ] || {};
+
+			// handleObj is passed to all event handlers
+			handleObj = jQuery.extend( {
+				type: type,
+				origType: origType,
+				data: data,
+				handler: handler,
+				guid: handler.guid,
+				selector: selector,
+				needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
+				namespace: namespaces.join( "." )
+			}, handleObjIn );
+
+			// Init the event handler queue if we're the first
+			if ( !( handlers = events[ type ] ) ) {
+				handlers = events[ type ] = [];
+				handlers.delegateCount = 0;
+
+				// Only use addEventListener if the special events handler returns false
+				if ( !special.setup ||
+					special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
+
+					if ( elem.addEventListener ) {
+						elem.addEventListener( type, eventHandle );
+					}
+				}
+			}
+
+			if ( special.add ) {
+				special.add.call( elem, handleObj );
+
+				if ( !handleObj.handler.guid ) {
+					handleObj.handler.guid = handler.guid;
+				}
+			}
+
+			// Add to the element's handler list, delegates in front
+			if ( selector ) {
+				handlers.splice( handlers.delegateCount++, 0, handleObj );
+			} else {
+				handlers.push( handleObj );
+			}
+
+			// Keep track of which events have ever been used, for event optimization
+			jQuery.event.global[ type ] = true;
+		}
+
+	},
+
+	// Detach an event or set of events from an element
+	remove: function( elem, types, handler, selector, mappedTypes ) {
+
+		var j, origCount, tmp,
+			events, t, handleObj,
+			special, handlers, type, namespaces, origType,
+			elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
+
+		if ( !elemData || !( events = elemData.events ) ) {
+			return;
+		}
+
+		// Once for each type.namespace in types; type may be omitted
+		types = ( types || "" ).match( rnothtmlwhite ) || [ "" ];
+		t = types.length;
+		while ( t-- ) {
+			tmp = rtypenamespace.exec( types[ t ] ) || [];
+			type = origType = tmp[ 1 ];
+			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
+
+			// Unbind all events (on this namespace, if provided) for the element
+			if ( !type ) {
+				for ( type in events ) {
+					jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
+				}
+				continue;
+			}
+
+			special = jQuery.event.special[ type ] || {};
+			type = ( selector ? special.delegateType : special.bindType ) || type;
+			handlers = events[ type ] || [];
+			tmp = tmp[ 2 ] &&
+				new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
+
+			// Remove matching events
+			origCount = j = handlers.length;
+			while ( j-- ) {
+				handleObj = handlers[ j ];
+
+				if ( ( mappedTypes || origType === handleObj.origType ) &&
+					( !handler || handler.guid === handleObj.guid ) &&
+					( !tmp || tmp.test( handleObj.namespace ) ) &&
+					( !selector || selector === handleObj.selector ||
+						selector === "**" && handleObj.selector ) ) {
+					handlers.splice( j, 1 );
+
+					if ( handleObj.selector ) {
+						handlers.delegateCount--;
+					}
+					if ( special.remove ) {
+						special.remove.call( elem, handleObj );
+					}
+				}
+			}
+
+			// Remove generic event handler if we removed something and no more handlers exist
+			// (avoids potential for endless recursion during removal of special event handlers)
+			if ( origCount && !handlers.length ) {
+				if ( !special.teardown ||
+					special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
+
+					jQuery.removeEvent( elem, type, elemData.handle );
+				}
+
+				delete events[ type ];
+			}
+		}
+
+		// Remove data and the expando if it's no longer used
+		if ( jQuery.isEmptyObject( events ) ) {
+			dataPriv.remove( elem, "handle events" );
+		}
+	},
+
+	dispatch: function( nativeEvent ) {
+
+		// Make a writable jQuery.Event from the native event object
+		var event = jQuery.event.fix( nativeEvent );
+
+		var i, j, ret, matched, handleObj, handlerQueue,
+			args = new Array( arguments.length ),
+			handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
+			special = jQuery.event.special[ event.type ] || {};
+
+		// Use the fix-ed jQuery.Event rather than the (read-only) native event
+		args[ 0 ] = event;
+
+		for ( i = 1; i < arguments.length; i++ ) {
+			args[ i ] = arguments[ i ];
+		}
+
+		event.delegateTarget = this;
+
+		// Call the preDispatch hook for the mapped type, and let it bail if desired
+		if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
+			return;
+		}
+
+		// Determine handlers
+		handlerQueue = jQuery.event.handlers.call( this, event, handlers );
+
+		// Run delegates first; they may want to stop propagation beneath us
+		i = 0;
+		while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
+			event.currentTarget = matched.elem;
+
+			j = 0;
+			while ( ( handleObj = matched.handlers[ j++ ] ) &&
+				!event.isImmediatePropagationStopped() ) {
+
+				// Triggered event must either 1) have no namespace, or 2) have namespace(s)
+				// a subset or equal to those in the bound event (both can have no namespace).
+				if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
+
+					event.handleObj = handleObj;
+					event.data = handleObj.data;
+
+					ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
+						handleObj.handler ).apply( matched.elem, args );
+
+					if ( ret !== undefined ) {
+						if ( ( event.result = ret ) === false ) {
+							event.preventDefault();
+							event.stopPropagation();
+						}
+					}
+				}
+			}
+		}
+
+		// Call the postDispatch hook for the mapped type
+		if ( special.postDispatch ) {
+			special.postDispatch.call( this, event );
+		}
+
+		return event.result;
+	},
+
+	handlers: function( event, handlers ) {
+		var i, handleObj, sel, matchedHandlers, matchedSelectors,
+			handlerQueue = [],
+			delegateCount = handlers.delegateCount,
+			cur = event.target;
+
+		// Find delegate handlers
+		if ( delegateCount &&
+
+			// Support: IE <=9
+			// Black-hole SVG <use> instance trees (trac-13180)
+			cur.nodeType &&
+
+			// Support: Firefox <=42
+			// Suppress spec-violating clicks indicating a non-primary pointer button (trac-3861)
+			// https://www.w3.org/TR/DOM-Level-3-Events/#event-type-click
+			// Support: IE 11 only
+			// ...but not arrow key "clicks" of radio inputs, which can have `button` -1 (gh-2343)
+			!( event.type === "click" && event.button >= 1 ) ) {
+
+			for ( ; cur !== this; cur = cur.parentNode || this ) {
+
+				// Don't check non-elements (#13208)
+				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
+				if ( cur.nodeType === 1 && !( event.type === "click" && cur.disabled === true ) ) {
+					matchedHandlers = [];
+					matchedSelectors = {};
+					for ( i = 0; i < delegateCount; i++ ) {
+						handleObj = handlers[ i ];
+
+						// Don't conflict with Object.prototype properties (#13203)
+						sel = handleObj.selector + " ";
+
+						if ( matchedSelectors[ sel ] === undefined ) {
+							matchedSelectors[ sel ] = handleObj.needsContext ?
+								jQuery( sel, this ).index( cur ) > -1 :
+								jQuery.find( sel, this, null, [ cur ] ).length;
+						}
+						if ( matchedSelectors[ sel ] ) {
+							matchedHandlers.push( handleObj );
+						}
+					}
+					if ( matchedHandlers.length ) {
+						handlerQueue.push( { elem: cur, handlers: matchedHandlers } );
+					}
+				}
+			}
+		}
+
+		// Add the remaining (directly-bound) handlers
+		cur = this;
+		if ( delegateCount < handlers.length ) {
+			handlerQueue.push( { elem: cur, handlers: handlers.slice( delegateCount ) } );
+		}
+
+		return handlerQueue;
+	},
+
+	addProp: function( name, hook ) {
+		Object.defineProperty( jQuery.Event.prototype, name, {
+			enumerable: true,
+			configurable: true,
+
+			get: jQuery.isFunction( hook ) ?
+				function() {
+					if ( this.originalEvent ) {
+							return hook( this.originalEvent );
+					}
+				} :
+				function() {
+					if ( this.originalEvent ) {
+							return this.originalEvent[ name ];
+					}
+				},
+
+			set: function( value ) {
+				Object.defineProperty( this, name, {
+					enumerable: true,
+					configurable: true,
+					writable: true,
+					value: value
+				} );
+			}
+		} );
+	},
+
+	fix: function( originalEvent ) {
+		return originalEvent[ jQuery.expando ] ?
+			originalEvent :
+			new jQuery.Event( originalEvent );
+	},
+
+	special: {
+		load: {
+
+			// Prevent triggered image.load events from bubbling to window.load
+			noBubble: true
+		},
+		focus: {
+
+			// Fire native event if possible so blur/focus sequence is correct
+			trigger: function() {
+				if ( this !== safeActiveElement() && this.focus ) {
+					this.focus();
+					return false;
+				}
+			},
+			delegateType: "focusin"
+		},
+		blur: {
+			trigger: function() {
+				if ( this === safeActiveElement() && this.blur ) {
+					this.blur();
+					return false;
+				}
+			},
+			delegateType: "focusout"
+		},
+		click: {
+
+			// For checkbox, fire native event so checked state will be right
+			trigger: function() {
+				if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) {
+					this.click();
+					return false;
+				}
+			},
+
+			// For cross-browser consistency, don't fire native .click() on links
+			_default: function( event ) {
+				return nodeName( event.target, "a" );
+			}
+		},
+
+		beforeunload: {
+			postDispatch: function( event ) {
+
+				// Support: Firefox 20+
+				// Firefox doesn't alert if the returnValue field is not set.
+				if ( event.result !== undefined && event.originalEvent ) {
+					event.originalEvent.returnValue = event.result;
+				}
+			}
+		}
+	}
+};
+
+jQuery.removeEvent = function( elem, type, handle ) {
+
+	// This "if" is needed for plain objects
+	if ( elem.removeEventListener ) {
+		elem.removeEventListener( type, handle );
+	}
+};
+
+jQuery.Event = function( src, props ) {
+
+	// Allow instantiation without the 'new' keyword
+	if ( !( this instanceof jQuery.Event ) ) {
+		return new jQuery.Event( src, props );
+	}
+
+	// Event object
+	if ( src && src.type ) {
+		this.originalEvent = src;
+		this.type = src.type;
+
+		// Events bubbling up the document may have been marked as prevented
+		// by a handler lower down the tree; reflect the correct value.
+		this.isDefaultPrevented = src.defaultPrevented ||
+				src.defaultPrevented === undefined &&
+
+				// Support: Android <=2.3 only
+				src.returnValue === false ?
+			returnTrue :
+			returnFalse;
+
+		// Create target properties
+		// Support: Safari <=6 - 7 only
+		// Target should not be a text node (#504, #13143)
+		this.target = ( src.target && src.target.nodeType === 3 ) ?
+			src.target.parentNode :
+			src.target;
+
+		this.currentTarget = src.currentTarget;
+		this.relatedTarget = src.relatedTarget;
+
+	// Event type
+	} else {
+		this.type = src;
+	}
+
+	// Put explicitly provided properties onto the event object
+	if ( props ) {
+		jQuery.extend( this, props );
+	}
+
+	// Create a timestamp if incoming event doesn't have one
+	this.timeStamp = src && src.timeStamp || jQuery.now();
+
+	// Mark it as fixed
+	this[ jQuery.expando ] = true;
+};
+
+// jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
+// https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
+jQuery.Event.prototype = {
+	constructor: jQuery.Event,
+	isDefaultPrevented: returnFalse,
+	isPropagationStopped: returnFalse,
+	isImmediatePropagationStopped: returnFalse,
+	isSimulated: false,
+
+	preventDefault: function() {
+		var e = this.originalEvent;
+
+		this.isDefaultPrevented = returnTrue;
+
+		if ( e && !this.isSimulated ) {
+			e.preventDefault();
+		}
+	},
+	stopPropagation: function() {
+		var e = this.originalEvent;
+
+		this.isPropagationStopped = returnTrue;
+
+		if ( e && !this.isSimulated ) {
+			e.stopPropagation();
+		}
+	},
+	stopImmediatePropagation: function() {
+		var e = this.originalEvent;
+
+		this.isImmediatePropagationStopped = returnTrue;
+
+		if ( e && !this.isSimulated ) {
+			e.stopImmediatePropagation();
+		}
+
+		this.stopPropagation();
+	}
+};
+
+// Includes all common event props including KeyEvent and MouseEvent specific props
+jQuery.each( {
+	altKey: true,
+	bubbles: true,
+	cancelable: true,
+	changedTouches: true,
+	ctrlKey: true,
+	detail: true,
+	eventPhase: true,
+	metaKey: true,
+	pageX: true,
+	pageY: true,
+	shiftKey: true,
+	view: true,
+	"char": true,
+	charCode: true,
+	key: true,
+	keyCode: true,
+	button: true,
+	buttons: true,
+	clientX: true,
+	clientY: true,
+	offsetX: true,
+	offsetY: true,
+	pointerId: true,
+	pointerType: true,
+	screenX: true,
+	screenY: true,
+	targetTouches: true,
+	toElement: true,
+	touches: true,
+
+	which: function( event ) {
+		var button = event.button;
+
+		// Add which for key events
+		if ( event.which == null && rkeyEvent.test( event.type ) ) {
+			return event.charCode != null ? event.charCode : event.keyCode;
+		}
+
+		// Add which for click: 1 === left; 2 === middle; 3 === right
+		if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
+			if ( button & 1 ) {
+				return 1;
+			}
+
+			if ( button & 2 ) {
+				return 3;
+			}
+
+			if ( button & 4 ) {
+				return 2;
+			}
+
+			return 0;
+		}
+
+		return event.which;
+	}
+}, jQuery.event.addProp );
+
+// Create mouseenter/leave events using mouseover/out and event-time checks
+// so that event delegation works in jQuery.
+// Do the same for pointerenter/pointerleave and pointerover/pointerout
+//
+// Support: Safari 7 only
+// Safari sends mouseenter too often; see:
+// https://bugs.chromium.org/p/chromium/issues/detail?id=470258
+// for the description of the bug (it existed in older Chrome versions as well).
+jQuery.each( {
+	mouseenter: "mouseover",
+	mouseleave: "mouseout",
+	pointerenter: "pointerover",
+	pointerleave: "pointerout"
+}, function( orig, fix ) {
+	jQuery.event.special[ orig ] = {
+		delegateType: fix,
+		bindType: fix,
+
+		handle: function( event ) {
+			var ret,
+				target = this,
+				related = event.relatedTarget,
+				handleObj = event.handleObj;
+
+			// For mouseenter/leave call the handler if related is outside the target.
+			// NB: No relatedTarget if the mouse left/entered the browser window
+			if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
+				event.type = handleObj.origType;
+				ret = handleObj.handler.apply( this, arguments );
+				event.type = fix;
+			}
+			return ret;
+		}
+	};
+} );
+
+jQuery.fn.extend( {
+
+	on: function( types, selector, data, fn ) {
+		return on( this, types, selector, data, fn );
+	},
+	one: function( types, selector, data, fn ) {
+		return on( this, types, selector, data, fn, 1 );
+	},
+	off: function( types, selector, fn ) {
+		var handleObj, type;
+		if ( types && types.preventDefault && types.handleObj ) {
+
+			// ( event )  dispatched jQuery.Event
+			handleObj = types.handleObj;
+			jQuery( types.delegateTarget ).off(
+				handleObj.namespace ?
+					handleObj.origType + "." + handleObj.namespace :
+					handleObj.origType,
+				handleObj.selector,
+				handleObj.handler
+			);
+			return this;
+		}
+		if ( typeof types === "object" ) {
+
+			// ( types-object [, selector] )
+			for ( type in types ) {
+				this.off( type, selector, types[ type ] );
+			}
+			return this;
+		}
+		if ( selector === false || typeof selector === "function" ) {
+
+			// ( types [, fn] )
+			fn = selector;
+			selector = undefined;
+		}
+		if ( fn === false ) {
+			fn = returnFalse;
+		}
+		return this.each( function() {
+			jQuery.event.remove( this, types, fn, selector );
+		} );
+	}
+} );
+
+
+var
+
+	/* eslint-disable max-len */
+
+	// See https://github.com/eslint/eslint/issues/3229
+	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
+
+	/* eslint-enable */
+
+	// Support: IE <=10 - 11, Edge 12 - 13
+	// In IE/Edge using regex groups here causes severe slowdowns.
+	// See https://connect.microsoft.com/IE/feedback/details/1736512/
+	rnoInnerhtml = /<script|<style|<link/i,
+
+	// checked="checked" or checked
+	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
+	rscriptTypeMasked = /^true\/(.*)/,
+	rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
+
+// Prefer a tbody over its parent table for containing new rows
+function manipulationTarget( elem, content ) {
+	if ( nodeName( elem, "table" ) &&
+		nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
+
+		return jQuery( ">tbody", elem )[ 0 ] || elem;
+	}
+
+	return elem;
+}
+
+// Replace/restore the type attribute of script elements for safe DOM manipulation
+function disableScript( elem ) {
+	elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
+	return elem;
+}
+function restoreScript( elem ) {
+	var match = rscriptTypeMasked.exec( elem.type );
+
+	if ( match ) {
+		elem.type = match[ 1 ];
+	} else {
+		elem.removeAttribute( "type" );
+	}
+
+	return elem;
+}
+
+function cloneCopyEvent( src, dest ) {
+	var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
+
+	if ( dest.nodeType !== 1 ) {
+		return;
+	}
+
+	// 1. Copy private data: events, handlers, etc.
+	if ( dataPriv.hasData( src ) ) {
+		pdataOld = dataPriv.access( src );
+		pdataCur = dataPriv.set( dest, pdataOld );
+		events = pdataOld.events;
+
+		if ( events ) {
+			delete pdataCur.handle;
+			pdataCur.events = {};
+
+			for ( type in events ) {
+				for ( i = 0, l = events[ type ].length; i < l; i++ ) {
+					jQuery.event.add( dest, type, events[ type ][ i ] );
+				}
+			}
+		}
+	}
+
+	// 2. Copy user data
+	if ( dataUser.hasData( src ) ) {
+		udataOld = dataUser.access( src );
+		udataCur = jQuery.extend( {}, udataOld );
+
+		dataUser.set( dest, udataCur );
+	}
+}
+
+// Fix IE bugs, see support tests
+function fixInput( src, dest ) {
+	var nodeName = dest.nodeName.toLowerCase();
+
+	// Fails to persist the checked state of a cloned checkbox or radio button.
+	if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
+		dest.checked = src.checked;
+
+	// Fails to return the selected option to the default selected state when cloning options
+	} else if ( nodeName === "input" || nodeName === "textarea" ) {
+		dest.defaultValue = src.defaultValue;
+	}
+}
+
+function domManip( collection, args, callback, ignored ) {
+
+	// Flatten any nested arrays
+	args = concat.apply( [], args );
+
+	var fragment, first, scripts, hasScripts, node, doc,
+		i = 0,
+		l = collection.length,
+		iNoClone = l - 1,
+		value = args[ 0 ],
+		isFunction = jQuery.isFunction( value );
+
+	// We can't cloneNode fragments that contain checked, in WebKit
+	if ( isFunction ||
+			( l > 1 && typeof value === "string" &&
+				!support.checkClone && rchecked.test( value ) ) ) {
+		return collection.each( function( index ) {
+			var self = collection.eq( index );
+			if ( isFunction ) {
+				args[ 0 ] = value.call( this, index, self.html() );
+			}
+			domManip( self, args, callback, ignored );
+		} );
+	}
+
+	if ( l ) {
+		fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
+		first = fragment.firstChild;
+
+		if ( fragment.childNodes.length === 1 ) {
+			fragment = first;
+		}
+
+		// Require either new content or an interest in ignored elements to invoke the callback
+		if ( first || ignored ) {
+			scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
+			hasScripts = scripts.length;
+
+			// Use the original fragment for the last item
+			// instead of the first because it can end up
+			// being emptied incorrectly in certain situations (#8070).
+			for ( ; i < l; i++ ) {
+				node = fragment;
+
+				if ( i !== iNoClone ) {
+					node = jQuery.clone( node, true, true );
+
+					// Keep references to cloned scripts for later restoration
+					if ( hasScripts ) {
+
+						// Support: Android <=4.0 only, PhantomJS 1 only
+						// push.apply(_, arraylike) throws on ancient WebKit
+						jQuery.merge( scripts, getAll( node, "script" ) );
+					}
+				}
+
+				callback.call( collection[ i ], node, i );
+			}
+
+			if ( hasScripts ) {
+				doc = scripts[ scripts.length - 1 ].ownerDocument;
+
+				// Reenable scripts
+				jQuery.map( scripts, restoreScript );
+
+				// Evaluate executable scripts on first document insertion
+				for ( i = 0; i < hasScripts; i++ ) {
+					node = scripts[ i ];
+					if ( rscriptType.test( node.type || "" ) &&
+						!dataPriv.access( node, "globalEval" ) &&
+						jQuery.contains( doc, node ) ) {
+
+						if ( node.src ) {
+
+							// Optional AJAX dependency, but won't run scripts if not present
+							if ( jQuery._evalUrl ) {
+								jQuery._evalUrl( node.src );
+							}
+						} else {
+							DOMEval( node.textContent.replace( rcleanScript, "" ), doc );
+						}
+					}
+				}
+			}
+		}
+	}
+
+	return collection;
+}
+
+function remove( elem, selector, keepData ) {
+	var node,
+		nodes = selector ? jQuery.filter( selector, elem ) : elem,
+		i = 0;
+
+	for ( ; ( node = nodes[ i ] ) != null; i++ ) {
+		if ( !keepData && node.nodeType === 1 ) {
+			jQuery.cleanData( getAll( node ) );
+		}
+
+		if ( node.parentNode ) {
+			if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
+				setGlobalEval( getAll( node, "script" ) );
+			}
+			node.parentNode.removeChild( node );
+		}
+	}
+
+	return elem;
+}
+
+jQuery.extend( {
+	htmlPrefilter: function( html ) {
+		return html.replace( rxhtmlTag, "<$1></$2>" );
+	},
+
+	clone: function( elem, dataAndEvents, deepDataAndEvents ) {
+		var i, l, srcElements, destElements,
+			clone = elem.cloneNode( true ),
+			inPage = jQuery.contains( elem.ownerDocument, elem );
+
+		// Fix IE cloning issues
+		if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
+				!jQuery.isXMLDoc( elem ) ) {
+
+			// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
+			destElements = getAll( clone );
+			srcElements = getAll( elem );
+
+			for ( i = 0, l = srcElements.length; i < l; i++ ) {
+				fixInput( srcElements[ i ], destElements[ i ] );
+			}
+		}
+
+		// Copy the events from the original to the clone
+		if ( dataAndEvents ) {
+			if ( deepDataAndEvents ) {
+				srcElements = srcElements || getAll( elem );
+				destElements = destElements || getAll( clone );
+
+				for ( i = 0, l = srcElements.length; i < l; i++ ) {
+					cloneCopyEvent( srcElements[ i ], destElements[ i ] );
+				}
+			} else {
+				cloneCopyEvent( elem, clone );
+			}
+		}
+
+		// Preserve script evaluation history
+		destElements = getAll( clone, "script" );
+		if ( destElements.length > 0 ) {
+			setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
+		}
+
+		// Return the cloned set
+		return clone;
+	},
+
+	cleanData: function( elems ) {
+		var data, elem, type,
+			special = jQuery.event.special,
+			i = 0;
+
+		for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
+			if ( acceptData( elem ) ) {
+				if ( ( data = elem[ dataPriv.expando ] ) ) {
+					if ( data.events ) {
+						for ( type in data.events ) {
+							if ( special[ type ] ) {
+								jQuery.event.remove( elem, type );
+
+							// This is a shortcut to avoid jQuery.event.remove's overhead
+							} else {
+								jQuery.removeEvent( elem, type, data.handle );
+							}
+						}
+					}
+
+					// Support: Chrome <=35 - 45+
+					// Assign undefined instead of using delete, see Data#remove
+					elem[ dataPriv.expando ] = undefined;
+				}
+				if ( elem[ dataUser.expando ] ) {
+
+					// Support: Chrome <=35 - 45+
+					// Assign undefined instead of using delete, see Data#remove
+					elem[ dataUser.expando ] = undefined;
+				}
+			}
+		}
+	}
+} );
+
+jQuery.fn.extend( {
+	detach: function( selector ) {
+		return remove( this, selector, true );
+	},
+
+	remove: function( selector ) {
+		return remove( this, selector );
+	},
+
+	text: function( value ) {
+		return access( this, function( value ) {
+			return value === undefined ?
+				jQuery.text( this ) :
+				this.empty().each( function() {
+					if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+						this.textContent = value;
+					}
+				} );
+		}, null, value, arguments.length );
+	},
+
+	append: function() {
+		return domManip( this, arguments, function( elem ) {
+			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+				var target = manipulationTarget( this, elem );
+				target.appendChild( elem );
+			}
+		} );
+	},
+
+	prepend: function() {
+		return domManip( this, arguments, function( elem ) {
+			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
+				var target = manipulationTarget( this, elem );
+				target.insertBefore( elem, target.firstChild );
+			}
+		} );
+	},
+
+	before: function() {
+		return domManip( this, arguments, function( elem ) {
+			if ( this.parentNode ) {
+				this.parentNode.insertBefore( elem, this );
+			}
+		} );
+	},
+
+	after: function() {
+		return domManip( this, arguments, function( elem ) {
+			if ( this.parentNode ) {
+				this.parentNode.insertBefore( elem, this.nextSibling );
+			}
+		} );
+	},
+
+	empty: function() {
+		var elem,
+			i = 0;
+
+		for ( ; ( elem = this[ i ] ) != null; i++ ) {
+			if ( elem.nodeType === 1 ) {
+
+				// Prevent memory leaks
+				jQuery.cleanData( getAll( elem, false ) );
+
+				// Remove any remaining nodes
+				elem.textContent = "";
+			}
+		}
+
+		return this;
+	},
+
+	clone: function( dataAndEvents, deepDataAndEvents ) {
+		dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
+		deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
+
+		return this.map( function() {
+			return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
+		} );
+	},
+
+	html: function( value ) {
+		return access( this, function( value ) {
+			var elem = this[ 0 ] || {},
+				i = 0,
+				l = this.length;
+
+			if ( value === undefined && elem.nodeType === 1 ) {
+				return elem.innerHTML;
+			}
+
+			// See if we can take a shortcut and just use innerHTML
+			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
+				!wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
+
+				value = jQuery.htmlPrefilter( value );
+
+				try {
+					for ( ; i < l; i++ ) {
+						elem = this[ i ] || {};
+
+						// Remove element nodes and prevent memory leaks
+						if ( elem.nodeType === 1 ) {
+							jQuery.cleanData( getAll( elem, false ) );
+							elem.innerHTML = value;
+						}
+					}
+
+					elem = 0;
+
+				// If using innerHTML throws an exception, use the fallback method
+				} catch ( e ) {}
+			}
+
+			if ( elem ) {
+				this.empty().append( value );
+			}
+		}, null, value, arguments.length );
+	},
+
+	replaceWith: function() {
+		var ignored = [];
+
+		// Make the changes, replacing each non-ignored context element with the new content
+		return domManip( this, arguments, function( elem ) {
+			var parent = this.parentNode;
+
+			if ( jQuery.inArray( this, ignored ) < 0 ) {
+				jQuery.cleanData( getAll( this ) );
+				if ( parent ) {
+					parent.replaceChild( elem, this );
+				}
+			}
+
+		// Force callback invocation
+		}, ignored );
+	}
+} );
+
+jQuery.each( {
+	appendTo: "append",
+	prependTo: "prepend",
+	insertBefore: "before",
+	insertAfter: "after",
+	replaceAll: "replaceWith"
+}, function( name, original ) {
+	jQuery.fn[ name ] = function( selector ) {
+		var elems,
+			ret = [],
+			insert = jQuery( selector ),
+			last = insert.length - 1,
+			i = 0;
+
+		for ( ; i <= last; i++ ) {
+			elems = i === last ? this : this.clone( true );
+			jQuery( insert[ i ] )[ original ]( elems );
+
+			// Support: Android <=4.0 only, PhantomJS 1 only
+			// .get() because push.apply(_, arraylike) throws on ancient WebKit
+			push.apply( ret, elems.get() );
+		}
+
+		return this.pushStack( ret );
+	};
+} );
+var rmargin = ( /^margin/ );
+
+var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
+
+var getStyles = function( elem ) {
+
+		// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
+		// IE throws on elements created in popups
+		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
+		var view = elem.ownerDocument.defaultView;
+
+		if ( !view || !view.opener ) {
+			view = window;
+		}
+
+		return view.getComputedStyle( elem );
+	};
+
+
+
+( function() {
+
+	// Executing both pixelPosition & boxSizingReliable tests require only one layout
+	// so they're executed at the same time to save the second computation.
+	function computeStyleTests() {
+
+		// This is a singleton, we need to execute it only once
+		if ( !div ) {
+			return;
+		}
+
+		div.style.cssText =
+			"box-sizing:border-box;" +
+			"position:relative;display:block;" +
+			"margin:auto;border:1px;padding:1px;" +
+			"top:1%;width:50%";
+		div.innerHTML = "";
+		documentElement.appendChild( container );
+
+		var divStyle = window.getComputedStyle( div );
+		pixelPositionVal = divStyle.top !== "1%";
+
+		// Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
+		reliableMarginLeftVal = divStyle.marginLeft === "2px";
+		boxSizingReliableVal = divStyle.width === "4px";
+
+		// Support: Android 4.0 - 4.3 only
+		// Some styles come back with percentage values, even though they shouldn't
+		div.style.marginRight = "50%";
+		pixelMarginRightVal = divStyle.marginRight === "4px";
+
+		documentElement.removeChild( container );
+
+		// Nullify the div so it wouldn't be stored in the memory and
+		// it will also be a sign that checks already performed
+		div = null;
+	}
+
+	var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,
+		container = document.createElement( "div" ),
+		div = document.createElement( "div" );
+
+	// Finish early in limited (non-browser) environments
+	if ( !div.style ) {
+		return;
+	}
+
+	// Support: IE <=9 - 11 only
+	// Style of cloned element affects source element cloned (#8908)
+	div.style.backgroundClip = "content-box";
+	div.cloneNode( true ).style.backgroundClip = "";
+	support.clearCloneStyle = div.style.backgroundClip === "content-box";
+
+	container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" +
+		"padding:0;margin-top:1px;position:absolute";
+	container.appendChild( div );
+
+	jQuery.extend( support, {
+		pixelPosition: function() {
+			computeStyleTests();
+			return pixelPositionVal;
+		},
+		boxSizingReliable: function() {
+			computeStyleTests();
+			return boxSizingReliableVal;
+		},
+		pixelMarginRight: function() {
+			computeStyleTests();
+			return pixelMarginRightVal;
+		},
+		reliableMarginLeft: function() {
+			computeStyleTests();
+			return reliableMarginLeftVal;
+		}
+	} );
+} )();
+
+
+function curCSS( elem, name, computed ) {
+	var width, minWidth, maxWidth, ret,
+
+		// Support: Firefox 51+
+		// Retrieving style before computed somehow
+		// fixes an issue with getting wrong values
+		// on detached elements
+		style = elem.style;
+
+	computed = computed || getStyles( elem );
+
+	// getPropertyValue is needed for:
+	//   .css('filter') (IE 9 only, #12537)
+	//   .css('--customProperty) (#3144)
+	if ( computed ) {
+		ret = computed.getPropertyValue( name ) || computed[ name ];
+
+		if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
+			ret = jQuery.style( elem, name );
+		}
+
+		// A tribute to the "awesome hack by Dean Edwards"
+		// Android Browser returns percentage for some values,
+		// but width seems to be reliably pixels.
+		// This is against the CSSOM draft spec:
+		// https://drafts.csswg.org/cssom/#resolved-values
+		if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {
+
+			// Remember the original values
+			width = style.width;
+			minWidth = style.minWidth;
+			maxWidth = style.maxWidth;
+
+			// Put in the new values to get a computed value out
+			style.minWidth = style.maxWidth = style.width = ret;
+			ret = computed.width;
+
+			// Revert the changed values
+			style.width = width;
+			style.minWidth = minWidth;
+			style.maxWidth = maxWidth;
+		}
+	}
+
+	return ret !== undefined ?
+
+		// Support: IE <=9 - 11 only
+		// IE returns zIndex value as an integer.
+		ret + "" :
+		ret;
+}
+
+
+function addGetHookIf( conditionFn, hookFn ) {
+
+	// Define the hook, we'll check on the first run if it's really needed.
+	return {
+		get: function() {
+			if ( conditionFn() ) {
+
+				// Hook not needed (or it's not possible to use it due
+				// to missing dependency), remove it.
+				delete this.get;
+				return;
+			}
+
+			// Hook needed; redefine it so that the support test is not executed again.
+			return ( this.get = hookFn ).apply( this, arguments );
+		}
+	};
+}
+
+
+var
+
+	// Swappable if display is none or starts with table
+	// except "table", "table-cell", or "table-caption"
+	// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
+	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
+	rcustomProp = /^--/,
+	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
+	cssNormalTransform = {
+		letterSpacing: "0",
+		fontWeight: "400"
+	},
+
+	cssPrefixes = [ "Webkit", "Moz", "ms" ],
+	emptyStyle = document.createElement( "div" ).style;
+
+// Return a css property mapped to a potentially vendor prefixed property
+function vendorPropName( name ) {
+
+	// Shortcut for names that are not vendor prefixed
+	if ( name in emptyStyle ) {
+		return name;
+	}
+
+	// Check for vendor prefixed names
+	var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
+		i = cssPrefixes.length;
+
+	while ( i-- ) {
+		name = cssPrefixes[ i ] + capName;
+		if ( name in emptyStyle ) {
+			return name;
+		}
+	}
+}
+
+// Return a property mapped along what jQuery.cssProps suggests or to
+// a vendor prefixed property.
+function finalPropName( name ) {
+	var ret = jQuery.cssProps[ name ];
+	if ( !ret ) {
+		ret = jQuery.cssProps[ name ] = vendorPropName( name ) || name;
+	}
+	return ret;
+}
+
+function setPositiveNumber( elem, value, subtract ) {
+
+	// Any relative (+/-) values have already been
+	// normalized at this point
+	var matches = rcssNum.exec( value );
+	return matches ?
+
+		// Guard against undefined "subtract", e.g., when used as in cssHooks
+		Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
+		value;
+}
+
+function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
+	var i,
+		val = 0;
+
+	// If we already have the right measurement, avoid augmentation
+	if ( extra === ( isBorderBox ? "border" : "content" ) ) {
+		i = 4;
+
+	// Otherwise initialize for horizontal or vertical properties
+	} else {
+		i = name === "width" ? 1 : 0;
+	}
+
+	for ( ; i < 4; i += 2 ) {
+
+		// Both box models exclude margin, so add it if we want it
+		if ( extra === "margin" ) {
+			val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
+		}
+
+		if ( isBorderBox ) {
+
+			// border-box includes padding, so remove it if we want content
+			if ( extra === "content" ) {
+				val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
+			}
+
+			// At this point, extra isn't border nor margin, so remove border
+			if ( extra !== "margin" ) {
+				val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
+			}
+		} else {
+
+			// At this point, extra isn't content, so add padding
+			val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
+
+			// At this point, extra isn't content nor padding, so add border
+			if ( extra !== "padding" ) {
+				val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
+			}
+		}
+	}
+
+	return val;
+}
+
+function getWidthOrHeight( elem, name, extra ) {
+
+	// Start with computed style
+	var valueIsBorderBox,
+		styles = getStyles( elem ),
+		val = curCSS( elem, name, styles ),
+		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
+
+	// Computed unit is not pixels. Stop here and return.
+	if ( rnumnonpx.test( val ) ) {
+		return val;
+	}
+
+	// Check for style in case a browser which returns unreliable values
+	// for getComputedStyle silently falls back to the reliable elem.style
+	valueIsBorderBox = isBorderBox &&
+		( support.boxSizingReliable() || val === elem.style[ name ] );
+
+	// Fall back to offsetWidth/Height when value is "auto"
+	// This happens for inline elements with no explicit setting (gh-3571)
+	if ( val === "auto" ) {
+		val = elem[ "offset" + name[ 0 ].toUpperCase() + name.slice( 1 ) ];
+	}
+
+	// Normalize "", auto, and prepare for extra
+	val = parseFloat( val ) || 0;
+
+	// Use the active box-sizing model to add/subtract irrelevant styles
+	return ( val +
+		augmentWidthOrHeight(
+			elem,
+			name,
+			extra || ( isBorderBox ? "border" : "content" ),
+			valueIsBorderBox,
+			styles
+		)
+	) + "px";
+}
+
+jQuery.extend( {
+
+	// Add in style property hooks for overriding the default
+	// behavior of getting and setting a style property
+	cssHooks: {
+		opacity: {
+			get: function( elem, computed ) {
+				if ( computed ) {
+
+					// We should always get a number back from opacity
+					var ret = curCSS( elem, "opacity" );
+					return ret === "" ? "1" : ret;
+				}
+			}
+		}
+	},
+
+	// Don't automatically add "px" to these possibly-unitless properties
+	cssNumber: {
+		"animationIterationCount": true,
+		"columnCount": true,
+		"fillOpacity": true,
+		"flexGrow": true,
+		"flexShrink": true,
+		"fontWeight": true,
+		"lineHeight": true,
+		"opacity": true,
+		"order": true,
+		"orphans": true,
+		"widows": true,
+		"zIndex": true,
+		"zoom": true
+	},
+
+	// Add in properties whose names you wish to fix before
+	// setting or getting the value
+	cssProps: {
+		"float": "cssFloat"
+	},
+
+	// Get and set the style property on a DOM Node
+	style: function( elem, name, value, extra ) {
+
+		// Don't set styles on text and comment nodes
+		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
+			return;
+		}
+
+		// Make sure that we're working with the right name
+		var ret, type, hooks,
+			origName = jQuery.camelCase( name ),
+			isCustomProp = rcustomProp.test( name ),
+			style = elem.style;
+
+		// Make sure that we're working with the right name. We don't
+		// want to query the value if it is a CSS custom property
+		// since they are user-defined.
+		if ( !isCustomProp ) {
+			name = finalPropName( origName );
+		}
+
+		// Gets hook for the prefixed version, then unprefixed version
+		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
+
+		// Check if we're setting a value
+		if ( value !== undefined ) {
+			type = typeof value;
+
+			// Convert "+=" or "-=" to relative numbers (#7345)
+			if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
+				value = adjustCSS( elem, name, ret );
+
+				// Fixes bug #9237
+				type = "number";
+			}
+
+			// Make sure that null and NaN values aren't set (#7116)
+			if ( value == null || value !== value ) {
+				return;
+			}
+
+			// If a number was passed in, add the unit (except for certain CSS properties)
+			if ( type === "number" ) {
+				value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
+			}
+
+			// background-* props affect original clone's values
+			if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
+				style[ name ] = "inherit";
+			}
+
+			// If a hook was provided, use that value, otherwise just set the specified value
+			if ( !hooks || !( "set" in hooks ) ||
+				( value = hooks.set( elem, value, extra ) ) !== undefined ) {
+
+				if ( isCustomProp ) {
+					style.setProperty( name, value );
+				} else {
+					style[ name ] = value;
+				}
+			}
+
+		} else {
+
+			// If a hook was provided get the non-computed value from there
+			if ( hooks && "get" in hooks &&
+				( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
+
+				return ret;
+			}
+
+			// Otherwise just get the value from the style object
+			return style[ name ];
+		}
+	},
+
+	css: function( elem, name, extra, styles ) {
+		var val, num, hooks,
+			origName = jQuery.camelCase( name ),
+			isCustomProp = rcustomProp.test( name );
+
+		// Make sure that we're working with the right name. We don't
+		// want to modify the value if it is a CSS custom property
+		// since they are user-defined.
+		if ( !isCustomProp ) {
+			name = finalPropName( origName );
+		}
+
+		// Try prefixed name followed by the unprefixed name
+		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
+
+		// If a hook was provided get the computed value from there
+		if ( hooks && "get" in hooks ) {
+			val = hooks.get( elem, true, extra );
+		}
+
+		// Otherwise, if a way to get the computed value exists, use that
+		if ( val === undefined ) {
+			val = curCSS( elem, name, styles );
+		}
+
+		// Convert "normal" to computed value
+		if ( val === "normal" && name in cssNormalTransform ) {
+			val = cssNormalTransform[ name ];
+		}
+
+		// Make numeric if forced or a qualifier was provided and val looks numeric
+		if ( extra === "" || extra ) {
+			num = parseFloat( val );
+			return extra === true || isFinite( num ) ? num || 0 : val;
+		}
+
+		return val;
+	}
+} );
+
+jQuery.each( [ "height", "width" ], function( i, name ) {
+	jQuery.cssHooks[ name ] = {
+		get: function( elem, computed, extra ) {
+			if ( computed ) {
+
+				// Certain elements can have dimension info if we invisibly show them
+				// but it must have a current display style that would benefit
+				return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
+
+					// Support: Safari 8+
+					// Table columns in Safari have non-zero offsetWidth & zero
+					// getBoundingClientRect().width unless display is changed.
+					// Support: IE <=11 only
+					// Running getBoundingClientRect on a disconnected node
+					// in IE throws an error.
+					( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
+						swap( elem, cssShow, function() {
+							return getWidthOrHeight( elem, name, extra );
+						} ) :
+						getWidthOrHeight( elem, name, extra );
+			}
+		},
+
+		set: function( elem, value, extra ) {
+			var matches,
+				styles = extra && getStyles( elem ),
+				subtract = extra && augmentWidthOrHeight(
+					elem,
+					name,
+					extra,
+					jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
+					styles
+				);
+
+			// Convert to pixels if value adjustment is needed
+			if ( subtract && ( matches = rcssNum.exec( value ) ) &&
+				( matches[ 3 ] || "px" ) !== "px" ) {
+
+				elem.style[ name ] = value;
+				value = jQuery.css( elem, name );
+			}
+
+			return setPositiveNumber( elem, value, subtract );
+		}
+	};
+} );
+
+jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
+	function( elem, computed ) {
+		if ( computed ) {
+			return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
+				elem.getBoundingClientRect().left -
+					swap( elem, { marginLeft: 0 }, function() {
+						return elem.getBoundingClientRect().left;
+					} )
+				) + "px";
+		}
+	}
+);
+
+// These hooks are used by animate to expand properties
+jQuery.each( {
+	margin: "",
+	padding: "",
+	border: "Width"
+}, function( prefix, suffix ) {
+	jQuery.cssHooks[ prefix + suffix ] = {
+		expand: function( value ) {
+			var i = 0,
+				expanded = {},
+
+				// Assumes a single number if not a string
+				parts = typeof value === "string" ? value.split( " " ) : [ value ];
+
+			for ( ; i < 4; i++ ) {
+				expanded[ prefix + cssExpand[ i ] + suffix ] =
+					parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
+			}
+
+			return expanded;
+		}
+	};
+
+	if ( !rmargin.test( prefix ) ) {
+		jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
+	}
+} );
+
+jQuery.fn.extend( {
+	css: function( name, value ) {
+		return access( this, function( elem, name, value ) {
+			var styles, len,
+				map = {},
+				i = 0;
+
+			if ( Array.isArray( name ) ) {
+				styles = getStyles( elem );
+				len = name.length;
+
+				for ( ; i < len; i++ ) {
+					map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
+				}
+
+				return map;
+			}
+
+			return value !== undefined ?
+				jQuery.style( elem, name, value ) :
+				jQuery.css( elem, name );
+		}, name, value, arguments.length > 1 );
+	}
+} );
+
+
+function Tween( elem, options, prop, end, easing ) {
+	return new Tween.prototype.init( elem, options, prop, end, easing );
+}
+jQuery.Tween = Tween;
+
+Tween.prototype = {
+	constructor: Tween,
+	init: function( elem, options, prop, end, easing, unit ) {
+		this.elem = elem;
+		this.prop = prop;
+		this.easing = easing || jQuery.easing._default;
+		this.options = options;
+		this.start = this.now = this.cur();
+		this.end = end;
+		this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
+	},
+	cur: function() {
+		var hooks = Tween.propHooks[ this.prop ];
+
+		return hooks && hooks.get ?
+			hooks.get( this ) :
+			Tween.propHooks._default.get( this );
+	},
+	run: function( percent ) {
+		var eased,
+			hooks = Tween.propHooks[ this.prop ];
+
+		if ( this.options.duration ) {
+			this.pos = eased = jQuery.easing[ this.easing ](
+				percent, this.options.duration * percent, 0, 1, this.options.duration
+			);
+		} else {
+			this.pos = eased = percent;
+		}
+		this.now = ( this.end - this.start ) * eased + this.start;
+
+		if ( this.options.step ) {
+			this.options.step.call( this.elem, this.now, this );
+		}
+
+		if ( hooks && hooks.set ) {
+			hooks.set( this );
+		} else {
+			Tween.propHooks._default.set( this );
+		}
+		return this;
+	}
+};
+
+Tween.prototype.init.prototype = Tween.prototype;
+
+Tween.propHooks = {
+	_default: {
+		get: function( tween ) {
+			var result;
+
+			// Use a property on the element directly when it is not a DOM element,
+			// or when there is no matching style property that exists.
+			if ( tween.elem.nodeType !== 1 ||
+				tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
+				return tween.elem[ tween.prop ];
+			}
+
+			// Passing an empty string as a 3rd parameter to .css will automatically
+			// attempt a parseFloat and fallback to a string if the parse fails.
+			// Simple values such as "10px" are parsed to Float;
+			// complex values such as "rotate(1rad)" are returned as-is.
+			result = jQuery.css( tween.elem, tween.prop, "" );
+
+			// Empty strings, null, undefined and "auto" are converted to 0.
+			return !result || result === "auto" ? 0 : result;
+		},
+		set: function( tween ) {
+
+			// Use step hook for back compat.
+			// Use cssHook if its there.
+			// Use .style if available and use plain properties where available.
+			if ( jQuery.fx.step[ tween.prop ] ) {
+				jQuery.fx.step[ tween.prop ]( tween );
+			} else if ( tween.elem.nodeType === 1 &&
+				( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||
+					jQuery.cssHooks[ tween.prop ] ) ) {
+				jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
+			} else {
+				tween.elem[ tween.prop ] = tween.now;
+			}
+		}
+	}
+};
+
+// Support: IE <=9 only
+// Panic based approach to setting things on disconnected nodes
+Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
+	set: function( tween ) {
+		if ( tween.elem.nodeType && tween.elem.parentNode ) {
+			tween.elem[ tween.prop ] = tween.now;
+		}
+	}
+};
+
+jQuery.easing = {
+	linear: function( p ) {
+		return p;
+	},
+	swing: function( p ) {
+		return 0.5 - Math.cos( p * Math.PI ) / 2;
+	},
+	_default: "swing"
+};
+
+jQuery.fx = Tween.prototype.init;
+
+// Back compat <1.8 extension point
+jQuery.fx.step = {};
+
+
+
+
+var
+	fxNow, inProgress,
+	rfxtypes = /^(?:toggle|show|hide)$/,
+	rrun = /queueHooks$/;
+
+function schedule() {
+	if ( inProgress ) {
+		if ( document.hidden === false && window.requestAnimationFrame ) {
+			window.requestAnimationFrame( schedule );
+		} else {
+			window.setTimeout( schedule, jQuery.fx.interval );
+		}
+
+		jQuery.fx.tick();
+	}
+}
+
+// Animations created synchronously will run synchronously
+function createFxNow() {
+	window.setTimeout( function() {
+		fxNow = undefined;
+	} );
+	return ( fxNow = jQuery.now() );
+}
+
+// Generate parameters to create a standard animation
+function genFx( type, includeWidth ) {
+	var which,
+		i = 0,
+		attrs = { height: type };
+
+	// If we include width, step value is 1 to do all cssExpand values,
+	// otherwise step value is 2 to skip over Left and Right
+	includeWidth = includeWidth ? 1 : 0;
+	for ( ; i < 4; i += 2 - includeWidth ) {
+		which = cssExpand[ i ];
+		attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
+	}
+
+	if ( includeWidth ) {
+		attrs.opacity = attrs.width = type;
+	}
+
+	return attrs;
+}
+
+function createTween( value, prop, animation ) {
+	var tween,
+		collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
+		index = 0,
+		length = collection.length;
+	for ( ; index < length; index++ ) {
+		if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
+
+			// We're done with this property
+			return tween;
+		}
+	}
+}
+
+function defaultPrefilter( elem, props, opts ) {
+	var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
+		isBox = "width" in props || "height" in props,
+		anim = this,
+		orig = {},
+		style = elem.style,
+		hidden = elem.nodeType && isHiddenWithinTree( elem ),
+		dataShow = dataPriv.get( elem, "fxshow" );
+
+	// Queue-skipping animations hijack the fx hooks
+	if ( !opts.queue ) {
+		hooks = jQuery._queueHooks( elem, "fx" );
+		if ( hooks.unqueued == null ) {
+			hooks.unqueued = 0;
+			oldfire = hooks.empty.fire;
+			hooks.empty.fire = function() {
+				if ( !hooks.unqueued ) {
+					oldfire();
+				}
+			};
+		}
+		hooks.unqueued++;
+
+		anim.always( function() {
+
+			// Ensure the complete handler is called before this completes
+			anim.always( function() {
+				hooks.unqueued--;
+				if ( !jQuery.queue( elem, "fx" ).length ) {
+					hooks.empty.fire();
+				}
+			} );
+		} );
+	}
+
+	// Detect show/hide animations
+	for ( prop in props ) {
+		value = props[ prop ];
+		if ( rfxtypes.test( value ) ) {
+			delete props[ prop ];
+			toggle = toggle || value === "toggle";
+			if ( value === ( hidden ? "hide" : "show" ) ) {
+
+				// Pretend to be hidden if this is a "show" and
+				// there is still data from a stopped show/hide
+				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
+					hidden = true;
+
+				// Ignore all other no-op show/hide data
+				} else {
+					continue;
+				}
+			}
+			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
+		}
+	}
+
+	// Bail out if this is a no-op like .hide().hide()
+	propTween = !jQuery.isEmptyObject( props );
+	if ( !propTween && jQuery.isEmptyObject( orig ) ) {
+		return;
+	}
+
+	// Restrict "overflow" and "display" styles during box animations
+	if ( isBox && elem.nodeType === 1 ) {
+
+		// Support: IE <=9 - 11, Edge 12 - 13
+		// Record all 3 overflow attributes because IE does not infer the shorthand
+		// from identically-valued overflowX and overflowY
+		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
+
+		// Identify a display type, preferring old show/hide data over the CSS cascade
+		restoreDisplay = dataShow && dataShow.display;
+		if ( restoreDisplay == null ) {
+			restoreDisplay = dataPriv.get( elem, "display" );
+		}
+		display = jQuery.css( elem, "display" );
+		if ( display === "none" ) {
+			if ( restoreDisplay ) {
+				display = restoreDisplay;
+			} else {
+
+				// Get nonempty value(s) by temporarily forcing visibility
+				showHide( [ elem ], true );
+				restoreDisplay = elem.style.display || restoreDisplay;
+				display = jQuery.css( elem, "display" );
+				showHide( [ elem ] );
+			}
+		}
+
+		// Animate inline elements as inline-block
+		if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
+			if ( jQuery.css( elem, "float" ) === "none" ) {
+
+				// Restore the original display value at the end of pure show/hide animations
+				if ( !propTween ) {
+					anim.done( function() {
+						style.display = restoreDisplay;
+					} );
+					if ( restoreDisplay == null ) {
+						display = style.display;
+						restoreDisplay = display === "none" ? "" : display;
+					}
+				}
+				style.display = "inline-block";
+			}
+		}
+	}
+
+	if ( opts.overflow ) {
+		style.overflow = "hidden";
+		anim.always( function() {
+			style.overflow = opts.overflow[ 0 ];
+			style.overflowX = opts.overflow[ 1 ];
+			style.overflowY = opts.overflow[ 2 ];
+		} );
+	}
+
+	// Implement show/hide animations
+	propTween = false;
+	for ( prop in orig ) {
+
+		// General show/hide setup for this element animation
+		if ( !propTween ) {
+			if ( dataShow ) {
+				if ( "hidden" in dataShow ) {
+					hidden = dataShow.hidden;
+				}
+			} else {
+				dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
+			}
+
+			// Store hidden/visible for toggle so `.stop().toggle()` "reverses"
+			if ( toggle ) {
+				dataShow.hidden = !hidden;
+			}
+
+			// Show elements before animating them
+			if ( hidden ) {
+				showHide( [ elem ], true );
+			}
+
+			/* eslint-disable no-loop-func */
+
+			anim.done( function() {
+
+			/* eslint-enable no-loop-func */
+
+				// The final step of a "hide" animation is actually hiding the element
+				if ( !hidden ) {
+					showHide( [ elem ] );
+				}
+				dataPriv.remove( elem, "fxshow" );
+				for ( prop in orig ) {
+					jQuery.style( elem, prop, orig[ prop ] );
+				}
+			} );
+		}
+
+		// Per-property setup
+		propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
+		if ( !( prop in dataShow ) ) {
+			dataShow[ prop ] = propTween.start;
+			if ( hidden ) {
+				propTween.end = propTween.start;
+				propTween.start = 0;
+			}
+		}
+	}
+}
+
+function propFilter( props, specialEasing ) {
+	var index, name, easing, value, hooks;
+
+	// camelCase, specialEasing and expand cssHook pass
+	for ( index in props ) {
+		name = jQuery.camelCase( index );
+		easing = specialEasing[ name ];
+		value = props[ index ];
+		if ( Array.isArray( value ) ) {
+			easing = value[ 1 ];
+			value = props[ index ] = value[ 0 ];
+		}
+
+		if ( index !== name ) {
+			props[ name ] = value;
+			delete props[ index ];
+		}
+
+		hooks = jQuery.cssHooks[ name ];
+		if ( hooks && "expand" in hooks ) {
+			value = hooks.expand( value );
+			delete props[ name ];
+
+			// Not quite $.extend, this won't overwrite existing keys.
+			// Reusing 'index' because we have the correct "name"
+			for ( index in value ) {
+				if ( !( index in props ) ) {
+					props[ index ] = value[ index ];
+					specialEasing[ index ] = easing;
+				}
+			}
+		} else {
+			specialEasing[ name ] = easing;
+		}
+	}
+}
+
+function Animation( elem, properties, options ) {
+	var result,
+		stopped,
+		index = 0,
+		length = Animation.prefilters.length,
+		deferred = jQuery.Deferred().always( function() {
+
+			// Don't match elem in the :animated selector
+			delete tick.elem;
+		} ),
+		tick = function() {
+			if ( stopped ) {
+				return false;
+			}
+			var currentTime = fxNow || createFxNow(),
+				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
+
+				// Support: Android 2.3 only
+				// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
+				temp = remaining / animation.duration || 0,
+				percent = 1 - temp,
+				index = 0,
+				length = animation.tweens.length;
+
+			for ( ; index < length; index++ ) {
+				animation.tweens[ index ].run( percent );
+			}
+
+			deferred.notifyWith( elem, [ animation, percent, remaining ] );
+
+			// If there's more to do, yield
+			if ( percent < 1 && length ) {
+				return remaining;
+			}
+
+			// If this was an empty animation, synthesize a final progress notification
+			if ( !length ) {
+				deferred.notifyWith( elem, [ animation, 1, 0 ] );
+			}
+
+			// Resolve the animation and report its conclusion
+			deferred.resolveWith( elem, [ animation ] );
+			return false;
+		},
+		animation = deferred.promise( {
+			elem: elem,
+			props: jQuery.extend( {}, properties ),
+			opts: jQuery.extend( true, {
+				specialEasing: {},
+				easing: jQuery.easing._default
+			}, options ),
+			originalProperties: properties,
+			originalOptions: options,
+			startTime: fxNow || createFxNow(),
+			duration: options.duration,
+			tweens: [],
+			createTween: function( prop, end ) {
+				var tween = jQuery.Tween( elem, animation.opts, prop, end,
+						animation.opts.specialEasing[ prop ] || animation.opts.easing );
+				animation.tweens.push( tween );
+				return tween;
+			},
+			stop: function( gotoEnd ) {
+				var index = 0,
+
+					// If we are going to the end, we want to run all the tweens
+					// otherwise we skip this part
+					length = gotoEnd ? animation.tweens.length : 0;
+				if ( stopped ) {
+					return this;
+				}
+				stopped = true;
+				for ( ; index < length; index++ ) {
+					animation.tweens[ index ].run( 1 );
+				}
+
+				// Resolve when we played the last frame; otherwise, reject
+				if ( gotoEnd ) {
+					deferred.notifyWith( elem, [ animation, 1, 0 ] );
+					deferred.resolveWith( elem, [ animation, gotoEnd ] );
+				} else {
+					deferred.rejectWith( elem, [ animation, gotoEnd ] );
+				}
+				return this;
+			}
+		} ),
+		props = animation.props;
+
+	propFilter( props, animation.opts.specialEasing );
+
+	for ( ; index < length; index++ ) {
+		result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
+		if ( result ) {
+			if ( jQuery.isFunction( result.stop ) ) {
+				jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
+					jQuery.proxy( result.stop, result );
+			}
+			return result;
+		}
+	}
+
+	jQuery.map( props, createTween, animation );
+
+	if ( jQuery.isFunction( animation.opts.start ) ) {
+		animation.opts.start.call( elem, animation );
+	}
+
+	// Attach callbacks from options
+	animation
+		.progress( animation.opts.progress )
+		.done( animation.opts.done, animation.opts.complete )
+		.fail( animation.opts.fail )
+		.always( animation.opts.always );
+
+	jQuery.fx.timer(
+		jQuery.extend( tick, {
+			elem: elem,
+			anim: animation,
+			queue: animation.opts.queue
+		} )
+	);
+
+	return animation;
+}
+
+jQuery.Animation = jQuery.extend( Animation, {
+
+	tweeners: {
+		"*": [ function( prop, value ) {
+			var tween = this.createTween( prop, value );
+			adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
+			return tween;
+		} ]
+	},
+
+	tweener: function( props, callback ) {
+		if ( jQuery.isFunction( props ) ) {
+			callback = props;
+			props = [ "*" ];
+		} else {
+			props = props.match( rnothtmlwhite );
+		}
+
+		var prop,
+			index = 0,
+			length = props.length;
+
+		for ( ; index < length; index++ ) {
+			prop = props[ index ];
+			Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
+			Animation.tweeners[ prop ].unshift( callback );
+		}
+	},
+
+	prefilters: [ defaultPrefilter ],
+
+	prefilter: function( callback, prepend ) {
+		if ( prepend ) {
+			Animation.prefilters.unshift( callback );
+		} else {
+			Animation.prefilters.push( callback );
+		}
+	}
+} );
+
+jQuery.speed = function( speed, easing, fn ) {
+	var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
+		complete: fn || !fn && easing ||
+			jQuery.isFunction( speed ) && speed,
+		duration: speed,
+		easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
+	};
+
+	// Go to the end state if fx are off
+	if ( jQuery.fx.off ) {
+		opt.duration = 0;
+
+	} else {
+		if ( typeof opt.duration !== "number" ) {
+			if ( opt.duration in jQuery.fx.speeds ) {
+				opt.duration = jQuery.fx.speeds[ opt.duration ];
+
+			} else {
+				opt.duration = jQuery.fx.speeds._default;
+			}
+		}
+	}
+
+	// Normalize opt.queue - true/undefined/null -> "fx"
+	if ( opt.queue == null || opt.queue === true ) {
+		opt.queue = "fx";
+	}
+
+	// Queueing
+	opt.old = opt.complete;
+
+	opt.complete = function() {
+		if ( jQuery.isFunction( opt.old ) ) {
+			opt.old.call( this );
+		}
+
+		if ( opt.queue ) {
+			jQuery.dequeue( this, opt.queue );
+		}
+	};
+
+	return opt;
+};
+
+jQuery.fn.extend( {
+	fadeTo: function( speed, to, easing, callback ) {
+
+		// Show any hidden elements after setting opacity to 0
+		return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
+
+			// Animate to the value specified
+			.end().animate( { opacity: to }, speed, easing, callback );
+	},
+	animate: function( prop, speed, easing, callback ) {
+		var empty = jQuery.isEmptyObject( prop ),
+			optall = jQuery.speed( speed, easing, callback ),
+			doAnimation = function() {
+
+				// Operate on a copy of prop so per-property easing won't be lost
+				var anim = Animation( this, jQuery.extend( {}, prop ), optall );
+
+				// Empty animations, or finishing resolves immediately
+				if ( empty || dataPriv.get( this, "finish" ) ) {
+					anim.stop( true );
+				}
+			};
+			doAnimation.finish = doAnimation;
+
+		return empty || optall.queue === false ?
+			this.each( doAnimation ) :
+			this.queue( optall.queue, doAnimation );
+	},
+	stop: function( type, clearQueue, gotoEnd ) {
+		var stopQueue = function( hooks ) {
+			var stop = hooks.stop;
+			delete hooks.stop;
+			stop( gotoEnd );
+		};
+
+		if ( typeof type !== "string" ) {
+			gotoEnd = clearQueue;
+			clearQueue = type;
+			type = undefined;
+		}
+		if ( clearQueue && type !== false ) {
+			this.queue( type || "fx", [] );
+		}
+
+		return this.each( function() {
+			var dequeue = true,
+				index = type != null && type + "queueHooks",
+				timers = jQuery.timers,
+				data = dataPriv.get( this );
+
+			if ( index ) {
+				if ( data[ index ] && data[ index ].stop ) {
+					stopQueue( data[ index ] );
+				}
+			} else {
+				for ( index in data ) {
+					if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
+						stopQueue( data[ index ] );
+					}
+				}
+			}
+
+			for ( index = timers.length; index--; ) {
+				if ( timers[ index ].elem === this &&
+					( type == null || timers[ index ].queue === type ) ) {
+
+					timers[ index ].anim.stop( gotoEnd );
+					dequeue = false;
+					timers.splice( index, 1 );
+				}
+			}
+
+			// Start the next in the queue if the last step wasn't forced.
+			// Timers currently will call their complete callbacks, which
+			// will dequeue but only if they were gotoEnd.
+			if ( dequeue || !gotoEnd ) {
+				jQuery.dequeue( this, type );
+			}
+		} );
+	},
+	finish: function( type ) {
+		if ( type !== false ) {
+			type = type || "fx";
+		}
+		return this.each( function() {
+			var index,
+				data = dataPriv.get( this ),
+				queue = data[ type + "queue" ],
+				hooks = data[ type + "queueHooks" ],
+				timers = jQuery.timers,
+				length = queue ? queue.length : 0;
+
+			// Enable finishing flag on private data
+			data.finish = true;
+
+			// Empty the queue first
+			jQuery.queue( this, type, [] );
+
+			if ( hooks && hooks.stop ) {
+				hooks.stop.call( this, true );
+			}
+
+			// Look for any active animations, and finish them
+			for ( index = timers.length; index--; ) {
+				if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
+					timers[ index ].anim.stop( true );
+					timers.splice( index, 1 );
+				}
+			}
+
+			// Look for any animations in the old queue and finish them
+			for ( index = 0; index < length; index++ ) {
+				if ( queue[ index ] && queue[ index ].finish ) {
+					queue[ index ].finish.call( this );
+				}
+			}
+
+			// Turn off finishing flag
+			delete data.finish;
+		} );
+	}
+} );
+
+jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
+	var cssFn = jQuery.fn[ name ];
+	jQuery.fn[ name ] = function( speed, easing, callback ) {
+		return speed == null || typeof speed === "boolean" ?
+			cssFn.apply( this, arguments ) :
+			this.animate( genFx( name, true ), speed, easing, callback );
+	};
+} );
+
+// Generate shortcuts for custom animations
+jQuery.each( {
+	slideDown: genFx( "show" ),
+	slideUp: genFx( "hide" ),
+	slideToggle: genFx( "toggle" ),
+	fadeIn: { opacity: "show" },
+	fadeOut: { opacity: "hide" },
+	fadeToggle: { opacity: "toggle" }
+}, function( name, props ) {
+	jQuery.fn[ name ] = function( speed, easing, callback ) {
+		return this.animate( props, speed, easing, callback );
+	};
+} );
+
+jQuery.timers = [];
+jQuery.fx.tick = function() {
+	var timer,
+		i = 0,
+		timers = jQuery.timers;
+
+	fxNow = jQuery.now();
+
+	for ( ; i < timers.length; i++ ) {
+		timer = timers[ i ];
+
+		// Run the timer and safely remove it when done (allowing for external removal)
+		if ( !timer() && timers[ i ] === timer ) {
+			timers.splice( i--, 1 );
+		}
+	}
+
+	if ( !timers.length ) {
+		jQuery.fx.stop();
+	}
+	fxNow = undefined;
+};
+
+jQuery.fx.timer = function( timer ) {
+	jQuery.timers.push( timer );
+	jQuery.fx.start();
+};
+
+jQuery.fx.interval = 13;
+jQuery.fx.start = function() {
+	if ( inProgress ) {
+		return;
+	}
+
+	inProgress = true;
+	schedule();
+};
+
+jQuery.fx.stop = function() {
+	inProgress = null;
+};
+
+jQuery.fx.speeds = {
+	slow: 600,
+	fast: 200,
+
+	// Default speed
+	_default: 400
+};
+
+
+// Based off of the plugin by Clint Helfers, with permission.
+// https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
+jQuery.fn.delay = function( time, type ) {
+	time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
+	type = type || "fx";
+
+	return this.queue( type, function( next, hooks ) {
+		var timeout = window.setTimeout( next, time );
+		hooks.stop = function() {
+			window.clearTimeout( timeout );
+		};
+	} );
+};
+
+
+( function() {
+	var input = document.createElement( "input" ),
+		select = document.createElement( "select" ),
+		opt = select.appendChild( document.createElement( "option" ) );
+
+	input.type = "checkbox";
+
+	// Support: Android <=4.3 only
+	// Default value for a checkbox should be "on"
+	support.checkOn = input.value !== "";
+
+	// Support: IE <=11 only
+	// Must access selectedIndex to make default options select
+	support.optSelected = opt.selected;
+
+	// Support: IE <=11 only
+	// An input loses its value after becoming a radio
+	input = document.createElement( "input" );
+	input.value = "t";
+	input.type = "radio";
+	support.radioValue = input.value === "t";
+} )();
+
+
+var boolHook,
+	attrHandle = jQuery.expr.attrHandle;
+
+jQuery.fn.extend( {
+	attr: function( name, value ) {
+		return access( this, jQuery.attr, name, value, arguments.length > 1 );
+	},
+
+	removeAttr: function( name ) {
+		return this.each( function() {
+			jQuery.removeAttr( this, name );
+		} );
+	}
+} );
+
+jQuery.extend( {
+	attr: function( elem, name, value ) {
+		var ret, hooks,
+			nType = elem.nodeType;
+
+		// Don't get/set attributes on text, comment and attribute nodes
+		if ( nType === 3 || nType === 8 || nType === 2 ) {
+			return;
+		}
+
+		// Fallback to prop when attributes are not supported
+		if ( typeof elem.getAttribute === "undefined" ) {
+			return jQuery.prop( elem, name, value );
+		}
+
+		// Attribute hooks are determined by the lowercase version
+		// Grab necessary hook if one is defined
+		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
+			hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
+				( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
+		}
+
+		if ( value !== undefined ) {
+			if ( value === null ) {
+				jQuery.removeAttr( elem, name );
+				return;
+			}
+
+			if ( hooks && "set" in hooks &&
+				( ret = hooks.set( elem, value, name ) ) !== undefined ) {
+				return ret;
+			}
+
+			elem.setAttribute( name, value + "" );
+			return value;
+		}
+
+		if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
+			return ret;
+		}
+
+		ret = jQuery.find.attr( elem, name );
+
+		// Non-existent attributes return null, we normalize to undefined
+		return ret == null ? undefined : ret;
+	},
+
+	attrHooks: {
+		type: {
+			set: function( elem, value ) {
+				if ( !support.radioValue && value === "radio" &&
+					nodeName( elem, "input" ) ) {
+					var val = elem.value;
+					elem.setAttribute( "type", value );
+					if ( val ) {
+						elem.value = val;
+					}
+					return value;
+				}
+			}
+		}
+	},
+
+	removeAttr: function( elem, value ) {
+		var name,
+			i = 0,
+
+			// Attribute names can contain non-HTML whitespace characters
+			// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
+			attrNames = value && value.match( rnothtmlwhite );
+
+		if ( attrNames && elem.nodeType === 1 ) {
+			while ( ( name = attrNames[ i++ ] ) ) {
+				elem.removeAttribute( name );
+			}
+		}
+	}
+} );
+
+// Hooks for boolean attributes
+boolHook = {
+	set: function( elem, value, name ) {
+		if ( value === false ) {
+
+			// Remove boolean attributes when set to false
+			jQuery.removeAttr( elem, name );
+		} else {
+			elem.setAttribute( name, name );
+		}
+		return name;
+	}
+};
+
+jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
+	var getter = attrHandle[ name ] || jQuery.find.attr;
+
+	attrHandle[ name ] = function( elem, name, isXML ) {
+		var ret, handle,
+			lowercaseName = name.toLowerCase();
+
+		if ( !isXML ) {
+
+			// Avoid an infinite loop by temporarily removing this function from the getter
+			handle = attrHandle[ lowercaseName ];
+			attrHandle[ lowercaseName ] = ret;
+			ret = getter( elem, name, isXML ) != null ?
+				lowercaseName :
+				null;
+			attrHandle[ lowercaseName ] = handle;
+		}
+		return ret;
+	};
+} );
+
+
+
+
+var rfocusable = /^(?:input|select|textarea|button)$/i,
+	rclickable = /^(?:a|area)$/i;
+
+jQuery.fn.extend( {
+	prop: function( name, value ) {
+		return access( this, jQuery.prop, name, value, arguments.length > 1 );
+	},
+
+	removeProp: function( name ) {
+		return this.each( function() {
+			delete this[ jQuery.propFix[ name ] || name ];
+		} );
+	}
+} );
+
+jQuery.extend( {
+	prop: function( elem, name, value ) {
+		var ret, hooks,
+			nType = elem.nodeType;
+
+		// Don't get/set properties on text, comment and attribute nodes
+		if ( nType === 3 || nType === 8 || nType === 2 ) {
+			return;
+		}
+
+		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
+
+			// Fix name and attach hooks
+			name = jQuery.propFix[ name ] || name;
+			hooks = jQuery.propHooks[ name ];
+		}
+
+		if ( value !== undefined ) {
+			if ( hooks && "set" in hooks &&
+				( ret = hooks.set( elem, value, name ) ) !== undefined ) {
+				return ret;
+			}
+
+			return ( elem[ name ] = value );
+		}
+
+		if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
+			return ret;
+		}
+
+		return elem[ name ];
+	},
+
+	propHooks: {
+		tabIndex: {
+			get: function( elem ) {
+
+				// Support: IE <=9 - 11 only
+				// elem.tabIndex doesn't always return the
+				// correct value when it hasn't been explicitly set
+				// https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
+				// Use proper attribute retrieval(#12072)
+				var tabindex = jQuery.find.attr( elem, "tabindex" );
+
+				if ( tabindex ) {
+					return parseInt( tabindex, 10 );
+				}
+
+				if (
+					rfocusable.test( elem.nodeName ) ||
+					rclickable.test( elem.nodeName ) &&
+					elem.href
+				) {
+					return 0;
+				}
+
+				return -1;
+			}
+		}
+	},
+
+	propFix: {
+		"for": "htmlFor",
+		"class": "className"
+	}
+} );
+
+// Support: IE <=11 only
+// Accessing the selectedIndex property
+// forces the browser to respect setting selected
+// on the option
+// The getter ensures a default option is selected
+// when in an optgroup
+// eslint rule "no-unused-expressions" is disabled for this code
+// since it considers such accessions noop
+if ( !support.optSelected ) {
+	jQuery.propHooks.selected = {
+		get: function( elem ) {
+
+			/* eslint no-unused-expressions: "off" */
+
+			var parent = elem.parentNode;
+			if ( parent && parent.parentNode ) {
+				parent.parentNode.selectedIndex;
+			}
+			return null;
+		},
+		set: function( elem ) {
+
+			/* eslint no-unused-expressions: "off" */
+
+			var parent = elem.parentNode;
+			if ( parent ) {
+				parent.selectedIndex;
+
+				if ( parent.parentNode ) {
+					parent.parentNode.selectedIndex;
+				}
+			}
+		}
+	};
+}
+
+jQuery.each( [
+	"tabIndex",
+	"readOnly",
+	"maxLength",
+	"cellSpacing",
+	"cellPadding",
+	"rowSpan",
+	"colSpan",
+	"useMap",
+	"frameBorder",
+	"contentEditable"
+], function() {
+	jQuery.propFix[ this.toLowerCase() ] = this;
+} );
+
+
+
+
+	// Strip and collapse whitespace according to HTML spec
+	// https://html.spec.whatwg.org/multipage/infrastructure.html#strip-and-collapse-whitespace
+	function stripAndCollapse( value ) {
+		var tokens = value.match( rnothtmlwhite ) || [];
+		return tokens.join( " " );
+	}
+
+
+function getClass( elem ) {
+	return elem.getAttribute && elem.getAttribute( "class" ) || "";
+}
+
+jQuery.fn.extend( {
+	addClass: function( value ) {
+		var classes, elem, cur, curValue, clazz, j, finalValue,
+			i = 0;
+
+		if ( jQuery.isFunction( value ) ) {
+			return this.each( function( j ) {
+				jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
+			} );
+		}
+
+		if ( typeof value === "string" && value ) {
+			classes = value.match( rnothtmlwhite ) || [];
+
+			while ( ( elem = this[ i++ ] ) ) {
+				curValue = getClass( elem );
+				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
+
+				if ( cur ) {
+					j = 0;
+					while ( ( clazz = classes[ j++ ] ) ) {
+						if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
+							cur += clazz + " ";
+						}
+					}
+
+					// Only assign if different to avoid unneeded rendering.
+					finalValue = stripAndCollapse( cur );
+					if ( curValue !== finalValue ) {
+						elem.setAttribute( "class", finalValue );
+					}
+				}
+			}
+		}
+
+		return this;
+	},
+
+	removeClass: function( value ) {
+		var classes, elem, cur, curValue, clazz, j, finalValue,
+			i = 0;
+
+		if ( jQuery.isFunction( value ) ) {
+			return this.each( function( j ) {
+				jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
+			} );
+		}
+
+		if ( !arguments.length ) {
+			return this.attr( "class", "" );
+		}
+
+		if ( typeof value === "string" && value ) {
+			classes = value.match( rnothtmlwhite ) || [];
+
+			while ( ( elem = this[ i++ ] ) ) {
+				curValue = getClass( elem );
+
+				// This expression is here for better compressibility (see addClass)
+				cur = elem.nodeType === 1 && ( " " + stripAndCollapse( curValue ) + " " );
+
+				if ( cur ) {
+					j = 0;
+					while ( ( clazz = classes[ j++ ] ) ) {
+
+						// Remove *all* instances
+						while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
+							cur = cur.replace( " " + clazz + " ", " " );
+						}
+					}
+
+					// Only assign if different to avoid unneeded rendering.
+					finalValue = stripAndCollapse( cur );
+					if ( curValue !== finalValue ) {
+						elem.setAttribute( "class", finalValue );
+					}
+				}
+			}
+		}
+
+		return this;
+	},
+
+	toggleClass: function( value, stateVal ) {
+		var type = typeof value;
+
+		if ( typeof stateVal === "boolean" && type === "string" ) {
+			return stateVal ? this.addClass( value ) : this.removeClass( value );
+		}
+
+		if ( jQuery.isFunction( value ) ) {
+			return this.each( function( i ) {
+				jQuery( this ).toggleClass(
+					value.call( this, i, getClass( this ), stateVal ),
+					stateVal
+				);
+			} );
+		}
+
+		return this.each( function() {
+			var className, i, self, classNames;
+
+			if ( type === "string" ) {
+
+				// Toggle individual class names
+				i = 0;
+				self = jQuery( this );
+				classNames = value.match( rnothtmlwhite ) || [];
+
+				while ( ( className = classNames[ i++ ] ) ) {
+
+					// Check each className given, space separated list
+					if ( self.hasClass( className ) ) {
+						self.removeClass( className );
+					} else {
+						self.addClass( className );
+					}
+				}
+
+			// Toggle whole class name
+			} else if ( value === undefined || type === "boolean" ) {
+				className = getClass( this );
+				if ( className ) {
+
+					// Store className if set
+					dataPriv.set( this, "__className__", className );
+				}
+
+				// If the element has a class name or if we're passed `false`,
+				// then remove the whole classname (if there was one, the above saved it).
+				// Otherwise bring back whatever was previously saved (if anything),
+				// falling back to the empty string if nothing was stored.
+				if ( this.setAttribute ) {
+					this.setAttribute( "class",
+						className || value === false ?
+						"" :
+						dataPriv.get( this, "__className__" ) || ""
+					);
+				}
+			}
+		} );
+	},
+
+	hasClass: function( selector ) {
+		var className, elem,
+			i = 0;
+
+		className = " " + selector + " ";
+		while ( ( elem = this[ i++ ] ) ) {
+			if ( elem.nodeType === 1 &&
+				( " " + stripAndCollapse( getClass( elem ) ) + " " ).indexOf( className ) > -1 ) {
+					return true;
+			}
+		}
+
+		return false;
+	}
+} );
+
+
+
+
+var rreturn = /\r/g;
+
+jQuery.fn.extend( {
+	val: function( value ) {
+		var hooks, ret, isFunction,
+			elem = this[ 0 ];
+
+		if ( !arguments.length ) {
+			if ( elem ) {
+				hooks = jQuery.valHooks[ elem.type ] ||
+					jQuery.valHooks[ elem.nodeName.toLowerCase() ];
+
+				if ( hooks &&
+					"get" in hooks &&
+					( ret = hooks.get( elem, "value" ) ) !== undefined
+				) {
+					return ret;
+				}
+
+				ret = elem.value;
+
+				// Handle most common string cases
+				if ( typeof ret === "string" ) {
+					return ret.replace( rreturn, "" );
+				}
+
+				// Handle cases where value is null/undef or number
+				return ret == null ? "" : ret;
+			}
+
+			return;
+		}
+
+		isFunction = jQuery.isFunction( value );
+
+		return this.each( function( i ) {
+			var val;
+
+			if ( this.nodeType !== 1 ) {
+				return;
+			}
+
+			if ( isFunction ) {
+				val = value.call( this, i, jQuery( this ).val() );
+			} else {
+				val = value;
+			}
+
+			// Treat null/undefined as ""; convert numbers to string
+			if ( val == null ) {
+				val = "";
+
+			} else if ( typeof val === "number" ) {
+				val += "";
+
+			} else if ( Array.isArray( val ) ) {
+				val = jQuery.map( val, function( value ) {
+					return value == null ? "" : value + "";
+				} );
+			}
+
+			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
+
+			// If set returns undefined, fall back to normal setting
+			if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
+				this.value = val;
+			}
+		} );
+	}
+} );
+
+jQuery.extend( {
+	valHooks: {
+		option: {
+			get: function( elem ) {
+
+				var val = jQuery.find.attr( elem, "value" );
+				return val != null ?
+					val :
+
+					// Support: IE <=10 - 11 only
+					// option.text throws exceptions (#14686, #14858)
+					// Strip and collapse whitespace
+					// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
+					stripAndCollapse( jQuery.text( elem ) );
+			}
+		},
+		select: {
+			get: function( elem ) {
+				var value, option, i,
+					options = elem.options,
+					index = elem.selectedIndex,
+					one = elem.type === "select-one",
+					values = one ? null : [],
+					max = one ? index + 1 : options.length;
+
+				if ( index < 0 ) {
+					i = max;
+
+				} else {
+					i = one ? index : 0;
+				}
+
+				// Loop through all the selected options
+				for ( ; i < max; i++ ) {
+					option = options[ i ];
+
+					// Support: IE <=9 only
+					// IE8-9 doesn't update selected after form reset (#2551)
+					if ( ( option.selected || i === index ) &&
+
+							// Don't return options that are disabled or in a disabled optgroup
+							!option.disabled &&
+							( !option.parentNode.disabled ||
+								!nodeName( option.parentNode, "optgroup" ) ) ) {
+
+						// Get the specific value for the option
+						value = jQuery( option ).val();
+
+						// We don't need an array for one selects
+						if ( one ) {
+							return value;
+						}
+
+						// Multi-Selects return an array
+						values.push( value );
+					}
+				}
+
+				return values;
+			},
+
+			set: function( elem, value ) {
+				var optionSet, option,
+					options = elem.options,
+					values = jQuery.makeArray( value ),
+					i = options.length;
+
+				while ( i-- ) {
+					option = options[ i ];
+
+					/* eslint-disable no-cond-assign */
+
+					if ( option.selected =
+						jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
+					) {
+						optionSet = true;
+					}
+
+					/* eslint-enable no-cond-assign */
+				}
+
+				// Force browsers to behave consistently when non-matching value is set
+				if ( !optionSet ) {
+					elem.selectedIndex = -1;
+				}
+				return values;
+			}
+		}
+	}
+} );
+
+// Radios and checkboxes getter/setter
+jQuery.each( [ "radio", "checkbox" ], function() {
+	jQuery.valHooks[ this ] = {
+		set: function( elem, value ) {
+			if ( Array.isArray( value ) ) {
+				return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
+			}
+		}
+	};
+	if ( !support.checkOn ) {
+		jQuery.valHooks[ this ].get = function( elem ) {
+			return elem.getAttribute( "value" ) === null ? "on" : elem.value;
+		};
+	}
+} );
+
+
+
+
+// Return jQuery for attributes-only inclusion
+
+
+var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/;
+
+jQuery.extend( jQuery.event, {
+
+	trigger: function( event, data, elem, onlyHandlers ) {
+
+		var i, cur, tmp, bubbleType, ontype, handle, special,
+			eventPath = [ elem || document ],
+			type = hasOwn.call( event, "type" ) ? event.type : event,
+			namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
+
+		cur = tmp = elem = elem || document;
+
+		// Don't do events on text and comment nodes
+		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
+			return;
+		}
+
+		// focus/blur morphs to focusin/out; ensure we're not firing them right now
+		if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
+			return;
+		}
+
+		if ( type.indexOf( "." ) > -1 ) {
+
+			// Namespaced trigger; create a regexp to match event type in handle()
+			namespaces = type.split( "." );
+			type = namespaces.shift();
+			namespaces.sort();
+		}
+		ontype = type.indexOf( ":" ) < 0 && "on" + type;
+
+		// Caller can pass in a jQuery.Event object, Object, or just an event type string
+		event = event[ jQuery.expando ] ?
+			event :
+			new jQuery.Event( type, typeof event === "object" && event );
+
+		// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
+		event.isTrigger = onlyHandlers ? 2 : 3;
+		event.namespace = namespaces.join( "." );
+		event.rnamespace = event.namespace ?
+			new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
+			null;
+
+		// Clean up the event in case it is being reused
+		event.result = undefined;
+		if ( !event.target ) {
+			event.target = elem;
+		}
+
+		// Clone any incoming data and prepend the event, creating the handler arg list
+		data = data == null ?
+			[ event ] :
+			jQuery.makeArray( data, [ event ] );
+
+		// Allow special events to draw outside the lines
+		special = jQuery.event.special[ type ] || {};
+		if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
+			return;
+		}
+
+		// Determine event propagation path in advance, per W3C events spec (#9951)
+		// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
+		if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
+
+			bubbleType = special.delegateType || type;
+			if ( !rfocusMorph.test( bubbleType + type ) ) {
+				cur = cur.parentNode;
+			}
+			for ( ; cur; cur = cur.parentNode ) {
+				eventPath.push( cur );
+				tmp = cur;
+			}
+
+			// Only add window if we got to document (e.g., not plain obj or detached DOM)
+			if ( tmp === ( elem.ownerDocument || document ) ) {
+				eventPath.push( tmp.defaultView || tmp.parentWindow || window );
+			}
+		}
+
+		// Fire handlers on the event path
+		i = 0;
+		while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
+
+			event.type = i > 1 ?
+				bubbleType :
+				special.bindType || type;
+
+			// jQuery handler
+			handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
+				dataPriv.get( cur, "handle" );
+			if ( handle ) {
+				handle.apply( cur, data );
+			}
+
+			// Native handler
+			handle = ontype && cur[ ontype ];
+			if ( handle && handle.apply && acceptData( cur ) ) {
+				event.result = handle.apply( cur, data );
+				if ( event.result === false ) {
+					event.preventDefault();
+				}
+			}
+		}
+		event.type = type;
+
+		// If nobody prevented the default action, do it now
+		if ( !onlyHandlers && !event.isDefaultPrevented() ) {
+
+			if ( ( !special._default ||
+				special._default.apply( eventPath.pop(), data ) === false ) &&
+				acceptData( elem ) ) {
+
+				// Call a native DOM method on the target with the same name as the event.
+				// Don't do default actions on window, that's where global variables be (#6170)
+				if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {
+
+					// Don't re-trigger an onFOO event when we call its FOO() method
+					tmp = elem[ ontype ];
+
+					if ( tmp ) {
+						elem[ ontype ] = null;
+					}
+
+					// Prevent re-triggering of the same event, since we already bubbled it above
+					jQuery.event.triggered = type;
+					elem[ type ]();
+					jQuery.event.triggered = undefined;
+
+					if ( tmp ) {
+						elem[ ontype ] = tmp;
+					}
+				}
+			}
+		}
+
+		return event.result;
+	},
+
+	// Piggyback on a donor event to simulate a different one
+	// Used only for `focus(in | out)` events
+	simulate: function( type, elem, event ) {
+		var e = jQuery.extend(
+			new jQuery.Event(),
+			event,
+			{
+				type: type,
+				isSimulated: true
+			}
+		);
+
+		jQuery.event.trigger( e, null, elem );
+	}
+
+} );
+
+jQuery.fn.extend( {
+
+	trigger: function( type, data ) {
+		return this.each( function() {
+			jQuery.event.trigger( type, data, this );
+		} );
+	},
+	triggerHandler: function( type, data ) {
+		var elem = this[ 0 ];
+		if ( elem ) {
+			return jQuery.event.trigger( type, data, elem, true );
+		}
+	}
+} );
+
+
+jQuery.each( ( "blur focus focusin focusout resize scroll click dblclick " +
+	"mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
+	"change select submit keydown keypress keyup contextmenu" ).split( " " ),
+	function( i, name ) {
+
+	// Handle event binding
+	jQuery.fn[ name ] = function( data, fn ) {
+		return arguments.length > 0 ?
+			this.on( name, null, data, fn ) :
+			this.trigger( name );
+	};
+} );
+
+jQuery.fn.extend( {
+	hover: function( fnOver, fnOut ) {
+		return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
+	}
+} );
+
+
+
+
+support.focusin = "onfocusin" in window;
+
+
+// Support: Firefox <=44
+// Firefox doesn't have focus(in | out) events
+// Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
+//
+// Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
+// focus(in | out) events fire after focus & blur events,
+// which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
+// Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
+if ( !support.focusin ) {
+	jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
+
+		// Attach a single capturing handler on the document while someone wants focusin/focusout
+		var handler = function( event ) {
+			jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
+		};
+
+		jQuery.event.special[ fix ] = {
+			setup: function() {
+				var doc = this.ownerDocument || this,
+					attaches = dataPriv.access( doc, fix );
+
+				if ( !attaches ) {
+					doc.addEventListener( orig, handler, true );
+				}
+				dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
+			},
+			teardown: function() {
+				var doc = this.ownerDocument || this,
+					attaches = dataPriv.access( doc, fix ) - 1;
+
+				if ( !attaches ) {
+					doc.removeEventListener( orig, handler, true );
+					dataPriv.remove( doc, fix );
+
+				} else {
+					dataPriv.access( doc, fix, attaches );
+				}
+			}
+		};
+	} );
+}
+var location = window.location;
+
+var nonce = jQuery.now();
+
+var rquery = ( /\?/ );
+
+
+
+// Cross-browser xml parsing
+jQuery.parseXML = function( data ) {
+	var xml;
+	if ( !data || typeof data !== "string" ) {
+		return null;
+	}
+
+	// Support: IE 9 - 11 only
+	// IE throws on parseFromString with invalid input.
+	try {
+		xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
+	} catch ( e ) {
+		xml = undefined;
+	}
+
+	if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
+		jQuery.error( "Invalid XML: " + data );
+	}
+	return xml;
+};
+
+
+var
+	rbracket = /\[\]$/,
+	rCRLF = /\r?\n/g,
+	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
+	rsubmittable = /^(?:input|select|textarea|keygen)/i;
+
+function buildParams( prefix, obj, traditional, add ) {
+	var name;
+
+	if ( Array.isArray( obj ) ) {
+
+		// Serialize array item.
+		jQuery.each( obj, function( i, v ) {
+			if ( traditional || rbracket.test( prefix ) ) {
+
+				// Treat each array item as a scalar.
+				add( prefix, v );
+
+			} else {
+
+				// Item is non-scalar (array or object), encode its numeric index.
+				buildParams(
+					prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
+					v,
+					traditional,
+					add
+				);
+			}
+		} );
+
+	} else if ( !traditional && jQuery.type( obj ) === "object" ) {
+
+		// Serialize object item.
+		for ( name in obj ) {
+			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
+		}
+
+	} else {
+
+		// Serialize scalar item.
+		add( prefix, obj );
+	}
+}
+
+// Serialize an array of form elements or a set of
+// key/values into a query string
+jQuery.param = function( a, traditional ) {
+	var prefix,
+		s = [],
+		add = function( key, valueOrFunction ) {
+
+			// If value is a function, invoke it and use its return value
+			var value = jQuery.isFunction( valueOrFunction ) ?
+				valueOrFunction() :
+				valueOrFunction;
+
+			s[ s.length ] = encodeURIComponent( key ) + "=" +
+				encodeURIComponent( value == null ? "" : value );
+		};
+
+	// If an array was passed in, assume that it is an array of form elements.
+	if ( Array.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
+
+		// Serialize the form elements
+		jQuery.each( a, function() {
+			add( this.name, this.value );
+		} );
+
+	} else {
+
+		// If traditional, encode the "old" way (the way 1.3.2 or older
+		// did it), otherwise encode params recursively.
+		for ( prefix in a ) {
+			buildParams( prefix, a[ prefix ], traditional, add );
+		}
+	}
+
+	// Return the resulting serialization
+	return s.join( "&" );
+};
+
+jQuery.fn.extend( {
+	serialize: function() {
+		return jQuery.param( this.serializeArray() );
+	},
+	serializeArray: function() {
+		return this.map( function() {
+
+			// Can add propHook for "elements" to filter or add form elements
+			var elements = jQuery.prop( this, "elements" );
+			return elements ? jQuery.makeArray( elements ) : this;
+		} )
+		.filter( function() {
+			var type = this.type;
+
+			// Use .is( ":disabled" ) so that fieldset[disabled] works
+			return this.name && !jQuery( this ).is( ":disabled" ) &&
+				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
+				( this.checked || !rcheckableType.test( type ) );
+		} )
+		.map( function( i, elem ) {
+			var val = jQuery( this ).val();
+
+			if ( val == null ) {
+				return null;
+			}
+
+			if ( Array.isArray( val ) ) {
+				return jQuery.map( val, function( val ) {
+					return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+				} );
+			}
+
+			return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
+		} ).get();
+	}
+} );
+
+
+var
+	r20 = /%20/g,
+	rhash = /#.*$/,
+	rantiCache = /([?&])_=[^&]*/,
+	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
+
+	// #7653, #8125, #8152: local protocol detection
+	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
+	rnoContent = /^(?:GET|HEAD)$/,
+	rprotocol = /^\/\//,
+
+	/* Prefilters
+	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
+	 * 2) These are called:
+	 *    - BEFORE asking for a transport
+	 *    - AFTER param serialization (s.data is a string if s.processData is true)
+	 * 3) key is the dataType
+	 * 4) the catchall symbol "*" can be used
+	 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
+	 */
+	prefilters = {},
+
+	/* Transports bindings
+	 * 1) key is the dataType
+	 * 2) the catchall symbol "*" can be used
+	 * 3) selection will start with transport dataType and THEN go to "*" if needed
+	 */
+	transports = {},
+
+	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
+	allTypes = "*/".concat( "*" ),
+
+	// Anchor tag for parsing the document origin
+	originAnchor = document.createElement( "a" );
+	originAnchor.href = location.href;
+
+// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
+function addToPrefiltersOrTransports( structure ) {
+
+	// dataTypeExpression is optional and defaults to "*"
+	return function( dataTypeExpression, func ) {
+
+		if ( typeof dataTypeExpression !== "string" ) {
+			func = dataTypeExpression;
+			dataTypeExpression = "*";
+		}
+
+		var dataType,
+			i = 0,
+			dataTypes = dataTypeExpression.toLowerCase().match( rnothtmlwhite ) || [];
+
+		if ( jQuery.isFunction( func ) ) {
+
+			// For each dataType in the dataTypeExpression
+			while ( ( dataType = dataTypes[ i++ ] ) ) {
+
+				// Prepend if requested
+				if ( dataType[ 0 ] === "+" ) {
+					dataType = dataType.slice( 1 ) || "*";
+					( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
+
+				// Otherwise append
+				} else {
+					( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
+				}
+			}
+		}
+	};
+}
+
+// Base inspection function for prefilters and transports
+function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
+
+	var inspected = {},
+		seekingTransport = ( structure === transports );
+
+	function inspect( dataType ) {
+		var selected;
+		inspected[ dataType ] = true;
+		jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
+			var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
+			if ( typeof dataTypeOrTransport === "string" &&
+				!seekingTransport && !inspected[ dataTypeOrTransport ] ) {
+
+				options.dataTypes.unshift( dataTypeOrTransport );
+				inspect( dataTypeOrTransport );
+				return false;
+			} else if ( seekingTransport ) {
+				return !( selected = dataTypeOrTransport );
+			}
+		} );
+		return selected;
+	}
+
+	return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
+}
+
+// A special extend for ajax options
+// that takes "flat" options (not to be deep extended)
+// Fixes #9887
+function ajaxExtend( target, src ) {
+	var key, deep,
+		flatOptions = jQuery.ajaxSettings.flatOptions || {};
+
+	for ( key in src ) {
+		if ( src[ key ] !== undefined ) {
+			( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
+		}
+	}
+	if ( deep ) {
+		jQuery.extend( true, target, deep );
+	}
+
+	return target;
+}
+
+/* Handles responses to an ajax request:
+ * - finds the right dataType (mediates between content-type and expected dataType)
+ * - returns the corresponding response
+ */
+function ajaxHandleResponses( s, jqXHR, responses ) {
+
+	var ct, type, finalDataType, firstDataType,
+		contents = s.contents,
+		dataTypes = s.dataTypes;
+
+	// Remove auto dataType and get content-type in the process
+	while ( dataTypes[ 0 ] === "*" ) {
+		dataTypes.shift();
+		if ( ct === undefined ) {
+			ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
+		}
+	}
+
+	// Check if we're dealing with a known content-type
+	if ( ct ) {
+		for ( type in contents ) {
+			if ( contents[ type ] && contents[ type ].test( ct ) ) {
+				dataTypes.unshift( type );
+				break;
+			}
+		}
+	}
+
+	// Check to see if we have a response for the expected dataType
+	if ( dataTypes[ 0 ] in responses ) {
+		finalDataType = dataTypes[ 0 ];
+	} else {
+
+		// Try convertible dataTypes
+		for ( type in responses ) {
+			if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
+				finalDataType = type;
+				break;
+			}
+			if ( !firstDataType ) {
+				firstDataType = type;
+			}
+		}
+
+		// Or just use first one
+		finalDataType = finalDataType || firstDataType;
+	}
+
+	// If we found a dataType
+	// We add the dataType to the list if needed
+	// and return the corresponding response
+	if ( finalDataType ) {
+		if ( finalDataType !== dataTypes[ 0 ] ) {
+			dataTypes.unshift( finalDataType );
+		}
+		return responses[ finalDataType ];
+	}
+}
+
+/* Chain conversions given the request and the original response
+ * Also sets the responseXXX fields on the jqXHR instance
+ */
+function ajaxConvert( s, response, jqXHR, isSuccess ) {
+	var conv2, current, conv, tmp, prev,
+		converters = {},
+
+		// Work with a copy of dataTypes in case we need to modify it for conversion
+		dataTypes = s.dataTypes.slice();
+
+	// Create converters map with lowercased keys
+	if ( dataTypes[ 1 ] ) {
+		for ( conv in s.converters ) {
+			converters[ conv.toLowerCase() ] = s.converters[ conv ];
+		}
+	}
+
+	current = dataTypes.shift();
+
+	// Convert to each sequential dataType
+	while ( current ) {
+
+		if ( s.responseFields[ current ] ) {
+			jqXHR[ s.responseFields[ current ] ] = response;
+		}
+
+		// Apply the dataFilter if provided
+		if ( !prev && isSuccess && s.dataFilter ) {
+			response = s.dataFilter( response, s.dataType );
+		}
+
+		prev = current;
+		current = dataTypes.shift();
+
+		if ( current ) {
+
+			// There's only work to do if current dataType is non-auto
+			if ( current === "*" ) {
+
+				current = prev;
+
+			// Convert response if prev dataType is non-auto and differs from current
+			} else if ( prev !== "*" && prev !== current ) {
+
+				// Seek a direct converter
+				conv = converters[ prev + " " + current ] || converters[ "* " + current ];
+
+				// If none found, seek a pair
+				if ( !conv ) {
+					for ( conv2 in converters ) {
+
+						// If conv2 outputs current
+						tmp = conv2.split( " " );
+						if ( tmp[ 1 ] === current ) {
+
+							// If prev can be converted to accepted input
+							conv = converters[ prev + " " + tmp[ 0 ] ] ||
+								converters[ "* " + tmp[ 0 ] ];
+							if ( conv ) {
+
+								// Condense equivalence converters
+								if ( conv === true ) {
+									conv = converters[ conv2 ];
+
+								// Otherwise, insert the intermediate dataType
+								} else if ( converters[ conv2 ] !== true ) {
+									current = tmp[ 0 ];
+									dataTypes.unshift( tmp[ 1 ] );
+								}
+								break;
+							}
+						}
+					}
+				}
+
+				// Apply converter (if not an equivalence)
+				if ( conv !== true ) {
+
+					// Unless errors are allowed to bubble, catch and return them
+					if ( conv && s.throws ) {
+						response = conv( response );
+					} else {
+						try {
+							response = conv( response );
+						} catch ( e ) {
+							return {
+								state: "parsererror",
+								error: conv ? e : "No conversion from " + prev + " to " + current
+							};
+						}
+					}
+				}
+			}
+		}
+	}
+
+	return { state: "success", data: response };
+}
+
+jQuery.extend( {
+
+	// Counter for holding the number of active queries
+	active: 0,
+
+	// Last-Modified header cache for next request
+	lastModified: {},
+	etag: {},
+
+	ajaxSettings: {
+		url: location.href,
+		type: "GET",
+		isLocal: rlocalProtocol.test( location.protocol ),
+		global: true,
+		processData: true,
+		async: true,
+		contentType: "application/x-www-form-urlencoded; charset=UTF-8",
+
+		/*
+		timeout: 0,
+		data: null,
+		dataType: null,
+		username: null,
+		password: null,
+		cache: null,
+		throws: false,
+		traditional: false,
+		headers: {},
+		*/
+
+		accepts: {
+			"*": allTypes,
+			text: "text/plain",
+			html: "text/html",
+			xml: "application/xml, text/xml",
+			json: "application/json, text/javascript"
+		},
+
+		contents: {
+			xml: /\bxml\b/,
+			html: /\bhtml/,
+			json: /\bjson\b/
+		},
+
+		responseFields: {
+			xml: "responseXML",
+			text: "responseText",
+			json: "responseJSON"
+		},
+
+		// Data converters
+		// Keys separate source (or catchall "*") and destination types with a single space
+		converters: {
+
+			// Convert anything to text
+			"* text": String,
+
+			// Text to html (true = no transformation)
+			"text html": true,
+
+			// Evaluate text as a json expression
+			"text json": JSON.parse,
+
+			// Parse text as xml
+			"text xml": jQuery.parseXML
+		},
+
+		// For options that shouldn't be deep extended:
+		// you can add your own custom options here if
+		// and when you create one that shouldn't be
+		// deep extended (see ajaxExtend)
+		flatOptions: {
+			url: true,
+			context: true
+		}
+	},
+
+	// Creates a full fledged settings object into target
+	// with both ajaxSettings and settings fields.
+	// If target is omitted, writes into ajaxSettings.
+	ajaxSetup: function( target, settings ) {
+		return settings ?
+
+			// Building a settings object
+			ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
+
+			// Extending ajaxSettings
+			ajaxExtend( jQuery.ajaxSettings, target );
+	},
+
+	ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
+	ajaxTransport: addToPrefiltersOrTransports( transports ),
+
+	// Main method
+	ajax: function( url, options ) {
+
+		// If url is an object, simulate pre-1.5 signature
+		if ( typeof url === "object" ) {
+			options = url;
+			url = undefined;
+		}
+
+		// Force options to be an object
+		options = options || {};
+
+		var transport,
+
+			// URL without anti-cache param
+			cacheURL,
+
+			// Response headers
+			responseHeadersString,
+			responseHeaders,
+
+			// timeout handle
+			timeoutTimer,
+
+			// Url cleanup var
+			urlAnchor,
+
+			// Request state (becomes false upon send and true upon completion)
+			completed,
+
+			// To know if global events are to be dispatched
+			fireGlobals,
+
+			// Loop variable
+			i,
+
+			// uncached part of the url
+			uncached,
+
+			// Create the final options object
+			s = jQuery.ajaxSetup( {}, options ),
+
+			// Callbacks context
+			callbackContext = s.context || s,
+
+			// Context for global events is callbackContext if it is a DOM node or jQuery collection
+			globalEventContext = s.context &&
+				( callbackContext.nodeType || callbackContext.jquery ) ?
+					jQuery( callbackContext ) :
+					jQuery.event,
+
+			// Deferreds
+			deferred = jQuery.Deferred(),
+			completeDeferred = jQuery.Callbacks( "once memory" ),
+
+			// Status-dependent callbacks
+			statusCode = s.statusCode || {},
+
+			// Headers (they are sent all at once)
+			requestHeaders = {},
+			requestHeadersNames = {},
+
+			// Default abort message
+			strAbort = "canceled",
+
+			// Fake xhr
+			jqXHR = {
+				readyState: 0,
+
+				// Builds headers hashtable if needed
+				getResponseHeader: function( key ) {
+					var match;
+					if ( completed ) {
+						if ( !responseHeaders ) {
+							responseHeaders = {};
+							while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
+								responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
+							}
+						}
+						match = responseHeaders[ key.toLowerCase() ];
+					}
+					return match == null ? null : match;
+				},
+
+				// Raw string
+				getAllResponseHeaders: function() {
+					return completed ? responseHeadersString : null;
+				},
+
+				// Caches the header
+				setRequestHeader: function( name, value ) {
+					if ( completed == null ) {
+						name = requestHeadersNames[ name.toLowerCase() ] =
+							requestHeadersNames[ name.toLowerCase() ] || name;
+						requestHeaders[ name ] = value;
+					}
+					return this;
+				},
+
+				// Overrides response content-type header
+				overrideMimeType: function( type ) {
+					if ( completed == null ) {
+						s.mimeType = type;
+					}
+					return this;
+				},
+
+				// Status-dependent callbacks
+				statusCode: function( map ) {
+					var code;
+					if ( map ) {
+						if ( completed ) {
+
+							// Execute the appropriate callbacks
+							jqXHR.always( map[ jqXHR.status ] );
+						} else {
+
+							// Lazy-add the new callbacks in a way that preserves old ones
+							for ( code in map ) {
+								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
+							}
+						}
+					}
+					return this;
+				},
+
+				// Cancel the request
+				abort: function( statusText ) {
+					var finalText = statusText || strAbort;
+					if ( transport ) {
+						transport.abort( finalText );
+					}
+					done( 0, finalText );
+					return this;
+				}
+			};
+
+		// Attach deferreds
+		deferred.promise( jqXHR );
+
+		// Add protocol if not provided (prefilters might expect it)
+		// Handle falsy url in the settings object (#10093: consistency with old signature)
+		// We also use the url parameter if available
+		s.url = ( ( url || s.url || location.href ) + "" )
+			.replace( rprotocol, location.protocol + "//" );
+
+		// Alias method option to type as per ticket #12004
+		s.type = options.method || options.type || s.method || s.type;
+
+		// Extract dataTypes list
+		s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnothtmlwhite ) || [ "" ];
+
+		// A cross-domain request is in order when the origin doesn't match the current origin.
+		if ( s.crossDomain == null ) {
+			urlAnchor = document.createElement( "a" );
+
+			// Support: IE <=8 - 11, Edge 12 - 13
+			// IE throws exception on accessing the href property if url is malformed,
+			// e.g. http://example.com:80x/
+			try {
+				urlAnchor.href = s.url;
+
+				// Support: IE <=8 - 11 only
+				// Anchor's host property isn't correctly set when s.url is relative
+				urlAnchor.href = urlAnchor.href;
+				s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
+					urlAnchor.protocol + "//" + urlAnchor.host;
+			} catch ( e ) {
+
+				// If there is an error parsing the URL, assume it is crossDomain,
+				// it can be rejected by the transport if it is invalid
+				s.crossDomain = true;
+			}
+		}
+
+		// Convert data if not already a string
+		if ( s.data && s.processData && typeof s.data !== "string" ) {
+			s.data = jQuery.param( s.data, s.traditional );
+		}
+
+		// Apply prefilters
+		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
+
+		// If request was aborted inside a prefilter, stop there
+		if ( completed ) {
+			return jqXHR;
+		}
+
+		// We can fire global events as of now if asked to
+		// Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
+		fireGlobals = jQuery.event && s.global;
+
+		// Watch for a new set of requests
+		if ( fireGlobals && jQuery.active++ === 0 ) {
+			jQuery.event.trigger( "ajaxStart" );
+		}
+
+		// Uppercase the type
+		s.type = s.type.toUpperCase();
+
+		// Determine if request has content
+		s.hasContent = !rnoContent.test( s.type );
+
+		// Save the URL in case we're toying with the If-Modified-Since
+		// and/or If-None-Match header later on
+		// Remove hash to simplify url manipulation
+		cacheURL = s.url.replace( rhash, "" );
+
+		// More options handling for requests with no content
+		if ( !s.hasContent ) {
+
+			// Remember the hash so we can put it back
+			uncached = s.url.slice( cacheURL.length );
+
+			// If data is available, append data to url
+			if ( s.data ) {
+				cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
+
+				// #9682: remove data so that it's not used in an eventual retry
+				delete s.data;
+			}
+
+			// Add or update anti-cache param if needed
+			if ( s.cache === false ) {
+				cacheURL = cacheURL.replace( rantiCache, "$1" );
+				uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
+			}
+
+			// Put hash and anti-cache on the URL that will be requested (gh-1732)
+			s.url = cacheURL + uncached;
+
+		// Change '%20' to '+' if this is encoded form body content (gh-2658)
+		} else if ( s.data && s.processData &&
+			( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
+			s.data = s.data.replace( r20, "+" );
+		}
+
+		// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
+		if ( s.ifModified ) {
+			if ( jQuery.lastModified[ cacheURL ] ) {
+				jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
+			}
+			if ( jQuery.etag[ cacheURL ] ) {
+				jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
+			}
+		}
+
+		// Set the correct header, if data is being sent
+		if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
+			jqXHR.setRequestHeader( "Content-Type", s.contentType );
+		}
+
+		// Set the Accepts header for the server, depending on the dataType
+		jqXHR.setRequestHeader(
+			"Accept",
+			s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
+				s.accepts[ s.dataTypes[ 0 ] ] +
+					( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
+				s.accepts[ "*" ]
+		);
+
+		// Check for headers option
+		for ( i in s.headers ) {
+			jqXHR.setRequestHeader( i, s.headers[ i ] );
+		}
+
+		// Allow custom headers/mimetypes and early abort
+		if ( s.beforeSend &&
+			( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
+
+			// Abort if not done already and return
+			return jqXHR.abort();
+		}
+
+		// Aborting is no longer a cancellation
+		strAbort = "abort";
+
+		// Install callbacks on deferreds
+		completeDeferred.add( s.complete );
+		jqXHR.done( s.success );
+		jqXHR.fail( s.error );
+
+		// Get transport
+		transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
+
+		// If no transport, we auto-abort
+		if ( !transport ) {
+			done( -1, "No Transport" );
+		} else {
+			jqXHR.readyState = 1;
+
+			// Send global event
+			if ( fireGlobals ) {
+				globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
+			}
+
+			// If request was aborted inside ajaxSend, stop there
+			if ( completed ) {
+				return jqXHR;
+			}
+
+			// Timeout
+			if ( s.async && s.timeout > 0 ) {
+				timeoutTimer = window.setTimeout( function() {
+					jqXHR.abort( "timeout" );
+				}, s.timeout );
+			}
+
+			try {
+				completed = false;
+				transport.send( requestHeaders, done );
+			} catch ( e ) {
+
+				// Rethrow post-completion exceptions
+				if ( completed ) {
+					throw e;
+				}
+
+				// Propagate others as results
+				done( -1, e );
+			}
+		}
+
+		// Callback for when everything is done
+		function done( status, nativeStatusText, responses, headers ) {
+			var isSuccess, success, error, response, modified,
+				statusText = nativeStatusText;
+
+			// Ignore repeat invocations
+			if ( completed ) {
+				return;
+			}
+
+			completed = true;
+
+			// Clear timeout if it exists
+			if ( timeoutTimer ) {
+				window.clearTimeout( timeoutTimer );
+			}
+
+			// Dereference transport for early garbage collection
+			// (no matter how long the jqXHR object will be used)
+			transport = undefined;
+
+			// Cache response headers
+			responseHeadersString = headers || "";
+
+			// Set readyState
+			jqXHR.readyState = status > 0 ? 4 : 0;
+
+			// Determine if successful
+			isSuccess = status >= 200 && status < 300 || status === 304;
+
+			// Get response data
+			if ( responses ) {
+				response = ajaxHandleResponses( s, jqXHR, responses );
+			}
+
+			// Convert no matter what (that way responseXXX fields are always set)
+			response = ajaxConvert( s, response, jqXHR, isSuccess );
+
+			// If successful, handle type chaining
+			if ( isSuccess ) {
+
+				// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
+				if ( s.ifModified ) {
+					modified = jqXHR.getResponseHeader( "Last-Modified" );
+					if ( modified ) {
+						jQuery.lastModified[ cacheURL ] = modified;
+					}
+					modified = jqXHR.getResponseHeader( "etag" );
+					if ( modified ) {
+						jQuery.etag[ cacheURL ] = modified;
+					}
+				}
+
+				// if no content
+				if ( status === 204 || s.type === "HEAD" ) {
+					statusText = "nocontent";
+
+				// if not modified
+				} else if ( status === 304 ) {
+					statusText = "notmodified";
+
+				// If we have data, let's convert it
+				} else {
+					statusText = response.state;
+					success = response.data;
+					error = response.error;
+					isSuccess = !error;
+				}
+			} else {
+
+				// Extract error from statusText and normalize for non-aborts
+				error = statusText;
+				if ( status || !statusText ) {
+					statusText = "error";
+					if ( status < 0 ) {
+						status = 0;
+					}
+				}
+			}
+
+			// Set data for the fake xhr object
+			jqXHR.status = status;
+			jqXHR.statusText = ( nativeStatusText || statusText ) + "";
+
+			// Success/Error
+			if ( isSuccess ) {
+				deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
+			} else {
+				deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
+			}
+
+			// Status-dependent callbacks
+			jqXHR.statusCode( statusCode );
+			statusCode = undefined;
+
+			if ( fireGlobals ) {
+				globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
+					[ jqXHR, s, isSuccess ? success : error ] );
+			}
+
+			// Complete
+			completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
+
+			if ( fireGlobals ) {
+				globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
+
+				// Handle the global AJAX counter
+				if ( !( --jQuery.active ) ) {
+					jQuery.event.trigger( "ajaxStop" );
+				}
+			}
+		}
+
+		return jqXHR;
+	},
+
+	getJSON: function( url, data, callback ) {
+		return jQuery.get( url, data, callback, "json" );
+	},
+
+	getScript: function( url, callback ) {
+		return jQuery.get( url, undefined, callback, "script" );
+	}
+} );
+
+jQuery.each( [ "get", "post" ], function( i, method ) {
+	jQuery[ method ] = function( url, data, callback, type ) {
+
+		// Shift arguments if data argument was omitted
+		if ( jQuery.isFunction( data ) ) {
+			type = type || callback;
+			callback = data;
+			data = undefined;
+		}
+
+		// The url can be an options object (which then must have .url)
+		return jQuery.ajax( jQuery.extend( {
+			url: url,
+			type: method,
+			dataType: type,
+			data: data,
+			success: callback
+		}, jQuery.isPlainObject( url ) && url ) );
+	};
+} );
+
+
+jQuery._evalUrl = function( url ) {
+	return jQuery.ajax( {
+		url: url,
+
+		// Make this explicit, since user can override this through ajaxSetup (#11264)
+		type: "GET",
+		dataType: "script",
+		cache: true,
+		async: false,
+		global: false,
+		"throws": true
+	} );
+};
+
+
+jQuery.fn.extend( {
+	wrapAll: function( html ) {
+		var wrap;
+
+		if ( this[ 0 ] ) {
+			if ( jQuery.isFunction( html ) ) {
+				html = html.call( this[ 0 ] );
+			}
+
+			// The elements to wrap the target around
+			wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
+
+			if ( this[ 0 ].parentNode ) {
+				wrap.insertBefore( this[ 0 ] );
+			}
+
+			wrap.map( function() {
+				var elem = this;
+
+				while ( elem.firstElementChild ) {
+					elem = elem.firstElementChild;
+				}
+
+				return elem;
+			} ).append( this );
+		}
+
+		return this;
+	},
+
+	wrapInner: function( html ) {
+		if ( jQuery.isFunction( html ) ) {
+			return this.each( function( i ) {
+				jQuery( this ).wrapInner( html.call( this, i ) );
+			} );
+		}
+
+		return this.each( function() {
+			var self = jQuery( this ),
+				contents = self.contents();
+
+			if ( contents.length ) {
+				contents.wrapAll( html );
+
+			} else {
+				self.append( html );
+			}
+		} );
+	},
+
+	wrap: function( html ) {
+		var isFunction = jQuery.isFunction( html );
+
+		return this.each( function( i ) {
+			jQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html );
+		} );
+	},
+
+	unwrap: function( selector ) {
+		this.parent( selector ).not( "body" ).each( function() {
+			jQuery( this ).replaceWith( this.childNodes );
+		} );
+		return this;
+	}
+} );
+
+
+jQuery.expr.pseudos.hidden = function( elem ) {
+	return !jQuery.expr.pseudos.visible( elem );
+};
+jQuery.expr.pseudos.visible = function( elem ) {
+	return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
+};
+
+
+
+
+jQuery.ajaxSettings.xhr = function() {
+	try {
+		return new window.XMLHttpRequest();
+	} catch ( e ) {}
+};
+
+var xhrSuccessStatus = {
+
+		// File protocol always yields status code 0, assume 200
+		0: 200,
+
+		// Support: IE <=9 only
+		// #1450: sometimes IE returns 1223 when it should be 204
+		1223: 204
+	},
+	xhrSupported = jQuery.ajaxSettings.xhr();
+
+support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
+support.ajax = xhrSupported = !!xhrSupported;
+
+jQuery.ajaxTransport( function( options ) {
+	var callback, errorCallback;
+
+	// Cross domain only allowed if supported through XMLHttpRequest
+	if ( support.cors || xhrSupported && !options.crossDomain ) {
+		return {
+			send: function( headers, complete ) {
+				var i,
+					xhr = options.xhr();
+
+				xhr.open(
+					options.type,
+					options.url,
+					options.async,
+					options.username,
+					options.password
+				);
+
+				// Apply custom fields if provided
+				if ( options.xhrFields ) {
+					for ( i in options.xhrFields ) {
+						xhr[ i ] = options.xhrFields[ i ];
+					}
+				}
+
+				// Override mime type if needed
+				if ( options.mimeType && xhr.overrideMimeType ) {
+					xhr.overrideMimeType( options.mimeType );
+				}
+
+				// X-Requested-With header
+				// For cross-domain requests, seeing as conditions for a preflight are
+				// akin to a jigsaw puzzle, we simply never set it to be sure.
+				// (it can always be set on a per-request basis or even using ajaxSetup)
+				// For same-domain requests, won't change header if already provided.
+				if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
+					headers[ "X-Requested-With" ] = "XMLHttpRequest";
+				}
+
+				// Set headers
+				for ( i in headers ) {
+					xhr.setRequestHeader( i, headers[ i ] );
+				}
+
+				// Callback
+				callback = function( type ) {
+					return function() {
+						if ( callback ) {
+							callback = errorCallback = xhr.onload =
+								xhr.onerror = xhr.onabort = xhr.onreadystatechange = null;
+
+							if ( type === "abort" ) {
+								xhr.abort();
+							} else if ( type === "error" ) {
+
+								// Support: IE <=9 only
+								// On a manual native abort, IE9 throws
+								// errors on any property access that is not readyState
+								if ( typeof xhr.status !== "number" ) {
+									complete( 0, "error" );
+								} else {
+									complete(
+
+										// File: protocol always yields status 0; see #8605, #14207
+										xhr.status,
+										xhr.statusText
+									);
+								}
+							} else {
+								complete(
+									xhrSuccessStatus[ xhr.status ] || xhr.status,
+									xhr.statusText,
+
+									// Support: IE <=9 only
+									// IE9 has no XHR2 but throws on binary (trac-11426)
+									// For XHR2 non-text, let the caller handle it (gh-2498)
+									( xhr.responseType || "text" ) !== "text"  ||
+									typeof xhr.responseText !== "string" ?
+										{ binary: xhr.response } :
+										{ text: xhr.responseText },
+									xhr.getAllResponseHeaders()
+								);
+							}
+						}
+					};
+				};
+
+				// Listen to events
+				xhr.onload = callback();
+				errorCallback = xhr.onerror = callback( "error" );
+
+				// Support: IE 9 only
+				// Use onreadystatechange to replace onabort
+				// to handle uncaught aborts
+				if ( xhr.onabort !== undefined ) {
+					xhr.onabort = errorCallback;
+				} else {
+					xhr.onreadystatechange = function() {
+
+						// Check readyState before timeout as it changes
+						if ( xhr.readyState === 4 ) {
+
+							// Allow onerror to be called first,
+							// but that will not handle a native abort
+							// Also, save errorCallback to a variable
+							// as xhr.onerror cannot be accessed
+							window.setTimeout( function() {
+								if ( callback ) {
+									errorCallback();
+								}
+							} );
+						}
+					};
+				}
+
+				// Create the abort callback
+				callback = callback( "abort" );
+
+				try {
+
+					// Do send the request (this may raise an exception)
+					xhr.send( options.hasContent && options.data || null );
+				} catch ( e ) {
+
+					// #14683: Only rethrow if this hasn't been notified as an error yet
+					if ( callback ) {
+						throw e;
+					}
+				}
+			},
+
+			abort: function() {
+				if ( callback ) {
+					callback();
+				}
+			}
+		};
+	}
+} );
+
+
+
+
+// Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
+jQuery.ajaxPrefilter( function( s ) {
+	if ( s.crossDomain ) {
+		s.contents.script = false;
+	}
+} );
+
+// Install script dataType
+jQuery.ajaxSetup( {
+	accepts: {
+		script: "text/javascript, application/javascript, " +
+			"application/ecmascript, application/x-ecmascript"
+	},
+	contents: {
+		script: /\b(?:java|ecma)script\b/
+	},
+	converters: {
+		"text script": function( text ) {
+			jQuery.globalEval( text );
+			return text;
+		}
+	}
+} );
+
+// Handle cache's special case and crossDomain
+jQuery.ajaxPrefilter( "script", function( s ) {
+	if ( s.cache === undefined ) {
+		s.cache = false;
+	}
+	if ( s.crossDomain ) {
+		s.type = "GET";
+	}
+} );
+
+// Bind script tag hack transport
+jQuery.ajaxTransport( "script", function( s ) {
+
+	// This transport only deals with cross domain requests
+	if ( s.crossDomain ) {
+		var script, callback;
+		return {
+			send: function( _, complete ) {
+				script = jQuery( "<script>" ).prop( {
+					charset: s.scriptCharset,
+					src: s.url
+				} ).on(
+					"load error",
+					callback = function( evt ) {
+						script.remove();
+						callback = null;
+						if ( evt ) {
+							complete( evt.type === "error" ? 404 : 200, evt.type );
+						}
+					}
+				);
+
+				// Use native DOM manipulation to avoid our domManip AJAX trickery
+				document.head.appendChild( script[ 0 ] );
+			},
+			abort: function() {
+				if ( callback ) {
+					callback();
+				}
+			}
+		};
+	}
+} );
+
+
+
+
+var oldCallbacks = [],
+	rjsonp = /(=)\?(?=&|$)|\?\?/;
+
+// Default jsonp settings
+jQuery.ajaxSetup( {
+	jsonp: "callback",
+	jsonpCallback: function() {
+		var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
+		this[ callback ] = true;
+		return callback;
+	}
+} );
+
+// Detect, normalize options and install callbacks for jsonp requests
+jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
+
+	var callbackName, overwritten, responseContainer,
+		jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
+			"url" :
+			typeof s.data === "string" &&
+				( s.contentType || "" )
+					.indexOf( "application/x-www-form-urlencoded" ) === 0 &&
+				rjsonp.test( s.data ) && "data"
+		);
+
+	// Handle iff the expected data type is "jsonp" or we have a parameter to set
+	if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
+
+		// Get callback name, remembering preexisting value associated with it
+		callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
+			s.jsonpCallback() :
+			s.jsonpCallback;
+
+		// Insert callback into url or form data
+		if ( jsonProp ) {
+			s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
+		} else if ( s.jsonp !== false ) {
+			s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
+		}
+
+		// Use data converter to retrieve json after script execution
+		s.converters[ "script json" ] = function() {
+			if ( !responseContainer ) {
+				jQuery.error( callbackName + " was not called" );
+			}
+			return responseContainer[ 0 ];
+		};
+
+		// Force json dataType
+		s.dataTypes[ 0 ] = "json";
+
+		// Install callback
+		overwritten = window[ callbackName ];
+		window[ callbackName ] = function() {
+			responseContainer = arguments;
+		};
+
+		// Clean-up function (fires after converters)
+		jqXHR.always( function() {
+
+			// If previous value didn't exist - remove it
+			if ( overwritten === undefined ) {
+				jQuery( window ).removeProp( callbackName );
+
+			// Otherwise restore preexisting value
+			} else {
+				window[ callbackName ] = overwritten;
+			}
+
+			// Save back as free
+			if ( s[ callbackName ] ) {
+
+				// Make sure that re-using the options doesn't screw things around
+				s.jsonpCallback = originalSettings.jsonpCallback;
+
+				// Save the callback name for future use
+				oldCallbacks.push( callbackName );
+			}
+
+			// Call if it was a function and we have a response
+			if ( responseContainer && jQuery.isFunction( overwritten ) ) {
+				overwritten( responseContainer[ 0 ] );
+			}
+
+			responseContainer = overwritten = undefined;
+		} );
+
+		// Delegate to script
+		return "script";
+	}
+} );
+
+
+
+
+// Support: Safari 8 only
+// In Safari 8 documents created via document.implementation.createHTMLDocument
+// collapse sibling forms: the second one becomes a child of the first one.
+// Because of that, this security measure has to be disabled in Safari 8.
+// https://bugs.webkit.org/show_bug.cgi?id=137337
+support.createHTMLDocument = ( function() {
+	var body = document.implementation.createHTMLDocument( "" ).body;
+	body.innerHTML = "<form></form><form></form>";
+	return body.childNodes.length === 2;
+} )();
+
+
+// Argument "data" should be string of html
+// context (optional): If specified, the fragment will be created in this context,
+// defaults to document
+// keepScripts (optional): If true, will include scripts passed in the html string
+jQuery.parseHTML = function( data, context, keepScripts ) {
+	if ( typeof data !== "string" ) {
+		return [];
+	}
+	if ( typeof context === "boolean" ) {
+		keepScripts = context;
+		context = false;
+	}
+
+	var base, parsed, scripts;
+
+	if ( !context ) {
+
+		// Stop scripts or inline event handlers from being executed immediately
+		// by using document.implementation
+		if ( support.createHTMLDocument ) {
+			context = document.implementation.createHTMLDocument( "" );
+
+			// Set the base href for the created document
+			// so any parsed elements with URLs
+			// are based on the document's URL (gh-2965)
+			base = context.createElement( "base" );
+			base.href = document.location.href;
+			context.head.appendChild( base );
+		} else {
+			context = document;
+		}
+	}
+
+	parsed = rsingleTag.exec( data );
+	scripts = !keepScripts && [];
+
+	// Single tag
+	if ( parsed ) {
+		return [ context.createElement( parsed[ 1 ] ) ];
+	}
+
+	parsed = buildFragment( [ data ], context, scripts );
+
+	if ( scripts && scripts.length ) {
+		jQuery( scripts ).remove();
+	}
+
+	return jQuery.merge( [], parsed.childNodes );
+};
+
+
+/**
+ * Load a url into a page
+ */
+jQuery.fn.load = function( url, params, callback ) {
+	var selector, type, response,
+		self = this,
+		off = url.indexOf( " " );
+
+	if ( off > -1 ) {
+		selector = stripAndCollapse( url.slice( off ) );
+		url = url.slice( 0, off );
+	}
+
+	// If it's a function
+	if ( jQuery.isFunction( params ) ) {
+
+		// We assume that it's the callback
+		callback = params;
+		params = undefined;
+
+	// Otherwise, build a param string
+	} else if ( params && typeof params === "object" ) {
+		type = "POST";
+	}
+
+	// If we have elements to modify, make the request
+	if ( self.length > 0 ) {
+		jQuery.ajax( {
+			url: url,
+
+			// If "type" variable is undefined, then "GET" method will be used.
+			// Make value of this field explicit since
+			// user can override it through ajaxSetup method
+			type: type || "GET",
+			dataType: "html",
+			data: params
+		} ).done( function( responseText ) {
+
+			// Save response for use in complete callback
+			response = arguments;
+
+			self.html( selector ?
+
+				// If a selector was specified, locate the right elements in a dummy div
+				// Exclude scripts to avoid IE 'Permission Denied' errors
+				jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
+
+				// Otherwise use the full result
+				responseText );
+
+		// If the request succeeds, this function gets "data", "status", "jqXHR"
+		// but they are ignored because response was set above.
+		// If it fails, this function gets "jqXHR", "status", "error"
+		} ).always( callback && function( jqXHR, status ) {
+			self.each( function() {
+				callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
+			} );
+		} );
+	}
+
+	return this;
+};
+
+
+
+
+// Attach a bunch of functions for handling common AJAX events
+jQuery.each( [
+	"ajaxStart",
+	"ajaxStop",
+	"ajaxComplete",
+	"ajaxError",
+	"ajaxSuccess",
+	"ajaxSend"
+], function( i, type ) {
+	jQuery.fn[ type ] = function( fn ) {
+		return this.on( type, fn );
+	};
+} );
+
+
+
+
+jQuery.expr.pseudos.animated = function( elem ) {
+	return jQuery.grep( jQuery.timers, function( fn ) {
+		return elem === fn.elem;
+	} ).length;
+};
+
+
+
+
+jQuery.offset = {
+	setOffset: function( elem, options, i ) {
+		var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
+			position = jQuery.css( elem, "position" ),
+			curElem = jQuery( elem ),
+			props = {};
+
+		// Set position first, in-case top/left are set even on static elem
+		if ( position === "static" ) {
+			elem.style.position = "relative";
+		}
+
+		curOffset = curElem.offset();
+		curCSSTop = jQuery.css( elem, "top" );
+		curCSSLeft = jQuery.css( elem, "left" );
+		calculatePosition = ( position === "absolute" || position === "fixed" ) &&
+			( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
+
+		// Need to be able to calculate position if either
+		// top or left is auto and position is either absolute or fixed
+		if ( calculatePosition ) {
+			curPosition = curElem.position();
+			curTop = curPosition.top;
+			curLeft = curPosition.left;
+
+		} else {
+			curTop = parseFloat( curCSSTop ) || 0;
+			curLeft = parseFloat( curCSSLeft ) || 0;
+		}
+
+		if ( jQuery.isFunction( options ) ) {
+
+			// Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
+			options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
+		}
+
+		if ( options.top != null ) {
+			props.top = ( options.top - curOffset.top ) + curTop;
+		}
+		if ( options.left != null ) {
+			props.left = ( options.left - curOffset.left ) + curLeft;
+		}
+
+		if ( "using" in options ) {
+			options.using.call( elem, props );
+
+		} else {
+			curElem.css( props );
+		}
+	}
+};
+
+jQuery.fn.extend( {
+	offset: function( options ) {
+
+		// Preserve chaining for setter
+		if ( arguments.length ) {
+			return options === undefined ?
+				this :
+				this.each( function( i ) {
+					jQuery.offset.setOffset( this, options, i );
+				} );
+		}
+
+		var doc, docElem, rect, win,
+			elem = this[ 0 ];
+
+		if ( !elem ) {
+			return;
+		}
+
+		// Return zeros for disconnected and hidden (display: none) elements (gh-2310)
+		// Support: IE <=11 only
+		// Running getBoundingClientRect on a
+		// disconnected node in IE throws an error
+		if ( !elem.getClientRects().length ) {
+			return { top: 0, left: 0 };
+		}
+
+		rect = elem.getBoundingClientRect();
+
+		doc = elem.ownerDocument;
+		docElem = doc.documentElement;
+		win = doc.defaultView;
+
+		return {
+			top: rect.top + win.pageYOffset - docElem.clientTop,
+			left: rect.left + win.pageXOffset - docElem.clientLeft
+		};
+	},
+
+	position: function() {
+		if ( !this[ 0 ] ) {
+			return;
+		}
+
+		var offsetParent, offset,
+			elem = this[ 0 ],
+			parentOffset = { top: 0, left: 0 };
+
+		// Fixed elements are offset from window (parentOffset = {top:0, left: 0},
+		// because it is its only offset parent
+		if ( jQuery.css( elem, "position" ) === "fixed" ) {
+
+			// Assume getBoundingClientRect is there when computed position is fixed
+			offset = elem.getBoundingClientRect();
+
+		} else {
+
+			// Get *real* offsetParent
+			offsetParent = this.offsetParent();
+
+			// Get correct offsets
+			offset = this.offset();
+			if ( !nodeName( offsetParent[ 0 ], "html" ) ) {
+				parentOffset = offsetParent.offset();
+			}
+
+			// Add offsetParent borders
+			parentOffset = {
+				top: parentOffset.top + jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ),
+				left: parentOffset.left + jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true )
+			};
+		}
+
+		// Subtract parent offsets and element margins
+		return {
+			top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
+			left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
+		};
+	},
+
+	// This method will return documentElement in the following cases:
+	// 1) For the element inside the iframe without offsetParent, this method will return
+	//    documentElement of the parent window
+	// 2) For the hidden or detached element
+	// 3) For body or html element, i.e. in case of the html node - it will return itself
+	//
+	// but those exceptions were never presented as a real life use-cases
+	// and might be considered as more preferable results.
+	//
+	// This logic, however, is not guaranteed and can change at any point in the future
+	offsetParent: function() {
+		return this.map( function() {
+			var offsetParent = this.offsetParent;
+
+			while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
+				offsetParent = offsetParent.offsetParent;
+			}
+
+			return offsetParent || documentElement;
+		} );
+	}
+} );
+
+// Create scrollLeft and scrollTop methods
+jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
+	var top = "pageYOffset" === prop;
+
+	jQuery.fn[ method ] = function( val ) {
+		return access( this, function( elem, method, val ) {
+
+			// Coalesce documents and windows
+			var win;
+			if ( jQuery.isWindow( elem ) ) {
+				win = elem;
+			} else if ( elem.nodeType === 9 ) {
+				win = elem.defaultView;
+			}
+
+			if ( val === undefined ) {
+				return win ? win[ prop ] : elem[ method ];
+			}
+
+			if ( win ) {
+				win.scrollTo(
+					!top ? val : win.pageXOffset,
+					top ? val : win.pageYOffset
+				);
+
+			} else {
+				elem[ method ] = val;
+			}
+		}, method, val, arguments.length );
+	};
+} );
+
+// Support: Safari <=7 - 9.1, Chrome <=37 - 49
+// Add the top/left cssHooks using jQuery.fn.position
+// Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
+// Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
+// getComputedStyle returns percent when specified for top/left/bottom/right;
+// rather than make the css module depend on the offset module, just check for it here
+jQuery.each( [ "top", "left" ], function( i, prop ) {
+	jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
+		function( elem, computed ) {
+			if ( computed ) {
+				computed = curCSS( elem, prop );
+
+				// If curCSS returns percentage, fallback to offset
+				return rnumnonpx.test( computed ) ?
+					jQuery( elem ).position()[ prop ] + "px" :
+					computed;
+			}
+		}
+	);
+} );
+
+
+// Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
+jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
+	jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
+		function( defaultExtra, funcName ) {
+
+		// Margin is only for outerHeight, outerWidth
+		jQuery.fn[ funcName ] = function( margin, value ) {
+			var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
+				extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
+
+			return access( this, function( elem, type, value ) {
+				var doc;
+
+				if ( jQuery.isWindow( elem ) ) {
+
+					// $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
+					return funcName.indexOf( "outer" ) === 0 ?
+						elem[ "inner" + name ] :
+						elem.document.documentElement[ "client" + name ];
+				}
+
+				// Get document width or height
+				if ( elem.nodeType === 9 ) {
+					doc = elem.documentElement;
+
+					// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
+					// whichever is greatest
+					return Math.max(
+						elem.body[ "scroll" + name ], doc[ "scroll" + name ],
+						elem.body[ "offset" + name ], doc[ "offset" + name ],
+						doc[ "client" + name ]
+					);
+				}
+
+				return value === undefined ?
+
+					// Get width or height on the element, requesting but not forcing parseFloat
+					jQuery.css( elem, type, extra ) :
+
+					// Set width or height on the element
+					jQuery.style( elem, type, value, extra );
+			}, type, chainable ? margin : undefined, chainable );
+		};
+	} );
+} );
+
+
+jQuery.fn.extend( {
+
+	bind: function( types, data, fn ) {
+		return this.on( types, null, data, fn );
+	},
+	unbind: function( types, fn ) {
+		return this.off( types, null, fn );
+	},
+
+	delegate: function( selector, types, data, fn ) {
+		return this.on( types, selector, data, fn );
+	},
+	undelegate: function( selector, types, fn ) {
+
+		// ( namespace ) or ( selector, types [, fn] )
+		return arguments.length === 1 ?
+			this.off( selector, "**" ) :
+			this.off( types, selector || "**", fn );
+	}
+} );
+
+jQuery.holdReady = function( hold ) {
+	if ( hold ) {
+		jQuery.readyWait++;
+	} else {
+		jQuery.ready( true );
+	}
+};
+jQuery.isArray = Array.isArray;
+jQuery.parseJSON = JSON.parse;
+jQuery.nodeName = nodeName;
+
+
+
+
+// Register as a named AMD module, since jQuery can be concatenated with other
+// files that may use define, but not via a proper concatenation script that
+// understands anonymous AMD modules. A named AMD is safest and most robust
+// way to register. Lowercase jquery is used because AMD module names are
+// derived from file names, and jQuery is normally delivered in a lowercase
+// file name. Do this after creating the global so that if an AMD module wants
+// to call noConflict to hide this version of jQuery, it will work.
+
+// Note that for maximum portability, libraries that are not jQuery should
+// declare themselves as anonymous modules, and avoid setting a global if an
+// AMD loader is present. jQuery is a special case. For more information, see
+// https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
+
+if ( typeof define === "function" && define.amd ) {
+	define( "jquery", [], function() {
+		return jQuery;
+	} );
+}
+
+
+
+
+var
+
+	// Map over jQuery in case of overwrite
+	_jQuery = window.jQuery,
+
+	// Map over the $ in case of overwrite
+	_$ = window.$;
+
+jQuery.noConflict = function( deep ) {
+	if ( window.$ === jQuery ) {
+		window.$ = _$;
+	}
+
+	if ( deep && window.jQuery === jQuery ) {
+		window.jQuery = _jQuery;
+	}
+
+	return jQuery;
+};
+
+// Expose jQuery and $ identifiers, even in AMD
+// (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
+// and CommonJS for browser emulators (#13566)
+if ( !noGlobal ) {
+	window.jQuery = window.$ = jQuery;
+}
+
+
+
+
+return jQuery;
+} );
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diff --git a/week06/average-squares-example/docs/_build/html/_static/pygments.css b/week06/average-squares-example/docs/_build/html/_static/pygments.css
new file mode 100644
index 0000000..20c4814
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+++ b/week06/average-squares-example/docs/_build/html/_static/pygments.css
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+.highlight .hll { background-color: #ffffcc }
+.highlight  { background: #eeffcc; }
+.highlight .c { color: #408090; font-style: italic } /* Comment */
+.highlight .err { border: 1px solid #FF0000 } /* Error */
+.highlight .k { color: #007020; font-weight: bold } /* Keyword */
+.highlight .o { color: #666666 } /* Operator */
+.highlight .ch { color: #408090; font-style: italic } /* Comment.Hashbang */
+.highlight .cm { color: #408090; font-style: italic } /* Comment.Multiline */
+.highlight .cp { color: #007020 } /* Comment.Preproc */
+.highlight .cpf { color: #408090; font-style: italic } /* Comment.PreprocFile */
+.highlight .c1 { color: #408090; font-style: italic } /* Comment.Single */
+.highlight .cs { color: #408090; background-color: #fff0f0 } /* Comment.Special */
+.highlight .gd { color: #A00000 } /* Generic.Deleted */
+.highlight .ge { font-style: italic } /* Generic.Emph */
+.highlight .gr { color: #FF0000 } /* Generic.Error */
+.highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */
+.highlight .gi { color: #00A000 } /* Generic.Inserted */
+.highlight .go { color: #333333 } /* Generic.Output */
+.highlight .gp { color: #c65d09; font-weight: bold } /* Generic.Prompt */
+.highlight .gs { font-weight: bold } /* Generic.Strong */
+.highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */
+.highlight .gt { color: #0044DD } /* Generic.Traceback */
+.highlight .kc { color: #007020; font-weight: bold } /* Keyword.Constant */
+.highlight .kd { color: #007020; font-weight: bold } /* Keyword.Declaration */
+.highlight .kn { color: #007020; font-weight: bold } /* Keyword.Namespace */
+.highlight .kp { color: #007020 } /* Keyword.Pseudo */
+.highlight .kr { color: #007020; font-weight: bold } /* Keyword.Reserved */
+.highlight .kt { color: #902000 } /* Keyword.Type */
+.highlight .m { color: #208050 } /* Literal.Number */
+.highlight .s { color: #4070a0 } /* Literal.String */
+.highlight .na { color: #4070a0 } /* Name.Attribute */
+.highlight .nb { color: #007020 } /* Name.Builtin */
+.highlight .nc { color: #0e84b5; font-weight: bold } /* Name.Class */
+.highlight .no { color: #60add5 } /* Name.Constant */
+.highlight .nd { color: #555555; font-weight: bold } /* Name.Decorator */
+.highlight .ni { color: #d55537; font-weight: bold } /* Name.Entity */
+.highlight .ne { color: #007020 } /* Name.Exception */
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+.highlight .nn { color: #0e84b5; font-weight: bold } /* Name.Namespace */
+.highlight .nt { color: #062873; font-weight: bold } /* Name.Tag */
+.highlight .nv { color: #bb60d5 } /* Name.Variable */
+.highlight .ow { color: #007020; font-weight: bold } /* Operator.Word */
+.highlight .w { color: #bbbbbb } /* Text.Whitespace */
+.highlight .mb { color: #208050 } /* Literal.Number.Bin */
+.highlight .mf { color: #208050 } /* Literal.Number.Float */
+.highlight .mh { color: #208050 } /* Literal.Number.Hex */
+.highlight .mi { color: #208050 } /* Literal.Number.Integer */
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diff --git a/week06/average-squares-example/docs/_build/html/_static/searchtools.js b/week06/average-squares-example/docs/_build/html/_static/searchtools.js
new file mode 100644
index 0000000..41b8336
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/_static/searchtools.js
@@ -0,0 +1,761 @@
+/*
+ * searchtools.js_t
+ * ~~~~~~~~~~~~~~~~
+ *
+ * Sphinx JavaScript utilities for the full-text search.
+ *
+ * :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+
+/* Non-minified version JS is _stemmer.js if file is provided */ 
+/**
+ * Porter Stemmer
+ */
+var Stemmer = function() {
+
+  var step2list = {
+    ational: 'ate',
+    tional: 'tion',
+    enci: 'ence',
+    anci: 'ance',
+    izer: 'ize',
+    bli: 'ble',
+    alli: 'al',
+    entli: 'ent',
+    eli: 'e',
+    ousli: 'ous',
+    ization: 'ize',
+    ation: 'ate',
+    ator: 'ate',
+    alism: 'al',
+    iveness: 'ive',
+    fulness: 'ful',
+    ousness: 'ous',
+    aliti: 'al',
+    iviti: 'ive',
+    biliti: 'ble',
+    logi: 'log'
+  };
+
+  var step3list = {
+    icate: 'ic',
+    ative: '',
+    alize: 'al',
+    iciti: 'ic',
+    ical: 'ic',
+    ful: '',
+    ness: ''
+  };
+
+  var c = "[^aeiou]";          // consonant
+  var v = "[aeiouy]";          // vowel
+  var C = c + "[^aeiouy]*";    // consonant sequence
+  var V = v + "[aeiou]*";      // vowel sequence
+
+  var mgr0 = "^(" + C + ")?" + V + C;                      // [C]VC... is m>0
+  var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$";    // [C]VC[V] is m=1
+  var mgr1 = "^(" + C + ")?" + V + C + V + C;              // [C]VCVC... is m>1
+  var s_v   = "^(" + C + ")?" + v;                         // vowel in stem
+
+  this.stemWord = function (w) {
+    var stem;
+    var suffix;
+    var firstch;
+    var origword = w;
+
+    if (w.length < 3)
+      return w;
+
+    var re;
+    var re2;
+    var re3;
+    var re4;
+
+    firstch = w.substr(0,1);
+    if (firstch == "y")
+      w = firstch.toUpperCase() + w.substr(1);
+
+    // Step 1a
+    re = /^(.+?)(ss|i)es$/;
+    re2 = /^(.+?)([^s])s$/;
+
+    if (re.test(w))
+      w = w.replace(re,"$1$2");
+    else if (re2.test(w))
+      w = w.replace(re2,"$1$2");
+
+    // Step 1b
+    re = /^(.+?)eed$/;
+    re2 = /^(.+?)(ed|ing)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      re = new RegExp(mgr0);
+      if (re.test(fp[1])) {
+        re = /.$/;
+        w = w.replace(re,"");
+      }
+    }
+    else if (re2.test(w)) {
+      var fp = re2.exec(w);
+      stem = fp[1];
+      re2 = new RegExp(s_v);
+      if (re2.test(stem)) {
+        w = stem;
+        re2 = /(at|bl|iz)$/;
+        re3 = new RegExp("([^aeiouylsz])\\1$");
+        re4 = new RegExp("^" + C + v + "[^aeiouwxy]$");
+        if (re2.test(w))
+          w = w + "e";
+        else if (re3.test(w)) {
+          re = /.$/;
+          w = w.replace(re,"");
+        }
+        else if (re4.test(w))
+          w = w + "e";
+      }
+    }
+
+    // Step 1c
+    re = /^(.+?)y$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(s_v);
+      if (re.test(stem))
+        w = stem + "i";
+    }
+
+    // Step 2
+    re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      suffix = fp[2];
+      re = new RegExp(mgr0);
+      if (re.test(stem))
+        w = stem + step2list[suffix];
+    }
+
+    // Step 3
+    re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      suffix = fp[2];
+      re = new RegExp(mgr0);
+      if (re.test(stem))
+        w = stem + step3list[suffix];
+    }
+
+    // Step 4
+    re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/;
+    re2 = /^(.+?)(s|t)(ion)$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(mgr1);
+      if (re.test(stem))
+        w = stem;
+    }
+    else if (re2.test(w)) {
+      var fp = re2.exec(w);
+      stem = fp[1] + fp[2];
+      re2 = new RegExp(mgr1);
+      if (re2.test(stem))
+        w = stem;
+    }
+
+    // Step 5
+    re = /^(.+?)e$/;
+    if (re.test(w)) {
+      var fp = re.exec(w);
+      stem = fp[1];
+      re = new RegExp(mgr1);
+      re2 = new RegExp(meq1);
+      re3 = new RegExp("^" + C + v + "[^aeiouwxy]$");
+      if (re.test(stem) || (re2.test(stem) && !(re3.test(stem))))
+        w = stem;
+    }
+    re = /ll$/;
+    re2 = new RegExp(mgr1);
+    if (re.test(w) && re2.test(w)) {
+      re = /.$/;
+      w = w.replace(re,"");
+    }
+
+    // and turn initial Y back to y
+    if (firstch == "y")
+      w = firstch.toLowerCase() + w.substr(1);
+    return w;
+  }
+}
+
+
+
+/**
+ * Simple result scoring code.
+ */
+var Scorer = {
+  // Implement the following function to further tweak the score for each result
+  // The function takes a result array [filename, title, anchor, descr, score]
+  // and returns the new score.
+  /*
+  score: function(result) {
+    return result[4];
+  },
+  */
+
+  // query matches the full name of an object
+  objNameMatch: 11,
+  // or matches in the last dotted part of the object name
+  objPartialMatch: 6,
+  // Additive scores depending on the priority of the object
+  objPrio: {0:  15,   // used to be importantResults
+            1:  5,   // used to be objectResults
+            2: -5},  // used to be unimportantResults
+  //  Used when the priority is not in the mapping.
+  objPrioDefault: 0,
+
+  // query found in title
+  title: 15,
+  // query found in terms
+  term: 5
+};
+
+
+
+
+
+var splitChars = (function() {
+    var result = {};
+    var singles = [96, 180, 187, 191, 215, 247, 749, 885, 903, 907, 909, 930, 1014, 1648,
+         1748, 1809, 2416, 2473, 2481, 2526, 2601, 2609, 2612, 2615, 2653, 2702,
+         2706, 2729, 2737, 2740, 2857, 2865, 2868, 2910, 2928, 2948, 2961, 2971,
+         2973, 3085, 3089, 3113, 3124, 3213, 3217, 3241, 3252, 3295, 3341, 3345,
+         3369, 3506, 3516, 3633, 3715, 3721, 3736, 3744, 3748, 3750, 3756, 3761,
+         3781, 3912, 4239, 4347, 4681, 4695, 4697, 4745, 4785, 4799, 4801, 4823,
+         4881, 5760, 5901, 5997, 6313, 7405, 8024, 8026, 8028, 8030, 8117, 8125,
+         8133, 8181, 8468, 8485, 8487, 8489, 8494, 8527, 11311, 11359, 11687, 11695,
+         11703, 11711, 11719, 11727, 11735, 12448, 12539, 43010, 43014, 43019, 43587,
+         43696, 43713, 64286, 64297, 64311, 64317, 64319, 64322, 64325, 65141];
+    var i, j, start, end;
+    for (i = 0; i < singles.length; i++) {
+        result[singles[i]] = true;
+    }
+    var ranges = [[0, 47], [58, 64], [91, 94], [123, 169], [171, 177], [182, 184], [706, 709],
+         [722, 735], [741, 747], [751, 879], [888, 889], [894, 901], [1154, 1161],
+         [1318, 1328], [1367, 1368], [1370, 1376], [1416, 1487], [1515, 1519], [1523, 1568],
+         [1611, 1631], [1642, 1645], [1750, 1764], [1767, 1773], [1789, 1790], [1792, 1807],
+         [1840, 1868], [1958, 1968], [1970, 1983], [2027, 2035], [2038, 2041], [2043, 2047],
+         [2070, 2073], [2075, 2083], [2085, 2087], [2089, 2307], [2362, 2364], [2366, 2383],
+         [2385, 2391], [2402, 2405], [2419, 2424], [2432, 2436], [2445, 2446], [2449, 2450],
+         [2483, 2485], [2490, 2492], [2494, 2509], [2511, 2523], [2530, 2533], [2546, 2547],
+         [2554, 2564], [2571, 2574], [2577, 2578], [2618, 2648], [2655, 2661], [2672, 2673],
+         [2677, 2692], [2746, 2748], [2750, 2767], [2769, 2783], [2786, 2789], [2800, 2820],
+         [2829, 2830], [2833, 2834], [2874, 2876], [2878, 2907], [2914, 2917], [2930, 2946],
+         [2955, 2957], [2966, 2968], [2976, 2978], [2981, 2983], [2987, 2989], [3002, 3023],
+         [3025, 3045], [3059, 3076], [3130, 3132], [3134, 3159], [3162, 3167], [3170, 3173],
+         [3184, 3191], [3199, 3204], [3258, 3260], [3262, 3293], [3298, 3301], [3312, 3332],
+         [3386, 3388], [3390, 3423], [3426, 3429], [3446, 3449], [3456, 3460], [3479, 3481],
+         [3518, 3519], [3527, 3584], [3636, 3647], [3655, 3663], [3674, 3712], [3717, 3718],
+         [3723, 3724], [3726, 3731], [3752, 3753], [3764, 3772], [3774, 3775], [3783, 3791],
+         [3802, 3803], [3806, 3839], [3841, 3871], [3892, 3903], [3949, 3975], [3980, 4095],
+         [4139, 4158], [4170, 4175], [4182, 4185], [4190, 4192], [4194, 4196], [4199, 4205],
+         [4209, 4212], [4226, 4237], [4250, 4255], [4294, 4303], [4349, 4351], [4686, 4687],
+         [4702, 4703], [4750, 4751], [4790, 4791], [4806, 4807], [4886, 4887], [4955, 4968],
+         [4989, 4991], [5008, 5023], [5109, 5120], [5741, 5742], [5787, 5791], [5867, 5869],
+         [5873, 5887], [5906, 5919], [5938, 5951], [5970, 5983], [6001, 6015], [6068, 6102],
+         [6104, 6107], [6109, 6111], [6122, 6127], [6138, 6159], [6170, 6175], [6264, 6271],
+         [6315, 6319], [6390, 6399], [6429, 6469], [6510, 6511], [6517, 6527], [6572, 6592],
+         [6600, 6607], [6619, 6655], [6679, 6687], [6741, 6783], [6794, 6799], [6810, 6822],
+         [6824, 6916], [6964, 6980], [6988, 6991], [7002, 7042], [7073, 7085], [7098, 7167],
+         [7204, 7231], [7242, 7244], [7294, 7400], [7410, 7423], [7616, 7679], [7958, 7959],
+         [7966, 7967], [8006, 8007], [8014, 8015], [8062, 8063], [8127, 8129], [8141, 8143],
+         [8148, 8149], [8156, 8159], [8173, 8177], [8189, 8303], [8306, 8307], [8314, 8318],
+         [8330, 8335], [8341, 8449], [8451, 8454], [8456, 8457], [8470, 8472], [8478, 8483],
+         [8506, 8507], [8512, 8516], [8522, 8525], [8586, 9311], [9372, 9449], [9472, 10101],
+         [10132, 11263], [11493, 11498], [11503, 11516], [11518, 11519], [11558, 11567],
+         [11622, 11630], [11632, 11647], [11671, 11679], [11743, 11822], [11824, 12292],
+         [12296, 12320], [12330, 12336], [12342, 12343], [12349, 12352], [12439, 12444],
+         [12544, 12548], [12590, 12592], [12687, 12689], [12694, 12703], [12728, 12783],
+         [12800, 12831], [12842, 12880], [12896, 12927], [12938, 12976], [12992, 13311],
+         [19894, 19967], [40908, 40959], [42125, 42191], [42238, 42239], [42509, 42511],
+         [42540, 42559], [42592, 42593], [42607, 42622], [42648, 42655], [42736, 42774],
+         [42784, 42785], [42889, 42890], [42893, 43002], [43043, 43055], [43062, 43071],
+         [43124, 43137], [43188, 43215], [43226, 43249], [43256, 43258], [43260, 43263],
+         [43302, 43311], [43335, 43359], [43389, 43395], [43443, 43470], [43482, 43519],
+         [43561, 43583], [43596, 43599], [43610, 43615], [43639, 43641], [43643, 43647],
+         [43698, 43700], [43703, 43704], [43710, 43711], [43715, 43738], [43742, 43967],
+         [44003, 44015], [44026, 44031], [55204, 55215], [55239, 55242], [55292, 55295],
+         [57344, 63743], [64046, 64047], [64110, 64111], [64218, 64255], [64263, 64274],
+         [64280, 64284], [64434, 64466], [64830, 64847], [64912, 64913], [64968, 65007],
+         [65020, 65135], [65277, 65295], [65306, 65312], [65339, 65344], [65371, 65381],
+         [65471, 65473], [65480, 65481], [65488, 65489], [65496, 65497]];
+    for (i = 0; i < ranges.length; i++) {
+        start = ranges[i][0];
+        end = ranges[i][1];
+        for (j = start; j <= end; j++) {
+            result[j] = true;
+        }
+    }
+    return result;
+})();
+
+function splitQuery(query) {
+    var result = [];
+    var start = -1;
+    for (var i = 0; i < query.length; i++) {
+        if (splitChars[query.charCodeAt(i)]) {
+            if (start !== -1) {
+                result.push(query.slice(start, i));
+                start = -1;
+            }
+        } else if (start === -1) {
+            start = i;
+        }
+    }
+    if (start !== -1) {
+        result.push(query.slice(start));
+    }
+    return result;
+}
+
+
+
+
+/**
+ * Search Module
+ */
+var Search = {
+
+  _index : null,
+  _queued_query : null,
+  _pulse_status : -1,
+
+  init : function() {
+      var params = $.getQueryParameters();
+      if (params.q) {
+          var query = params.q[0];
+          $('input[name="q"]')[0].value = query;
+          this.performSearch(query);
+      }
+  },
+
+  loadIndex : function(url) {
+    $.ajax({type: "GET", url: url, data: null,
+            dataType: "script", cache: true,
+            complete: function(jqxhr, textstatus) {
+              if (textstatus != "success") {
+                document.getElementById("searchindexloader").src = url;
+              }
+            }});
+  },
+
+  setIndex : function(index) {
+    var q;
+    this._index = index;
+    if ((q = this._queued_query) !== null) {
+      this._queued_query = null;
+      Search.query(q);
+    }
+  },
+
+  hasIndex : function() {
+      return this._index !== null;
+  },
+
+  deferQuery : function(query) {
+      this._queued_query = query;
+  },
+
+  stopPulse : function() {
+      this._pulse_status = 0;
+  },
+
+  startPulse : function() {
+    if (this._pulse_status >= 0)
+        return;
+    function pulse() {
+      var i;
+      Search._pulse_status = (Search._pulse_status + 1) % 4;
+      var dotString = '';
+      for (i = 0; i < Search._pulse_status; i++)
+        dotString += '.';
+      Search.dots.text(dotString);
+      if (Search._pulse_status > -1)
+        window.setTimeout(pulse, 500);
+    }
+    pulse();
+  },
+
+  /**
+   * perform a search for something (or wait until index is loaded)
+   */
+  performSearch : function(query) {
+    // create the required interface elements
+    this.out = $('#search-results');
+    this.title = $('<h2>' + _('Searching') + '</h2>').appendTo(this.out);
+    this.dots = $('<span></span>').appendTo(this.title);
+    this.status = $('<p style="display: none"></p>').appendTo(this.out);
+    this.output = $('<ul class="search"/>').appendTo(this.out);
+
+    $('#search-progress').text(_('Preparing search...'));
+    this.startPulse();
+
+    // index already loaded, the browser was quick!
+    if (this.hasIndex())
+      this.query(query);
+    else
+      this.deferQuery(query);
+  },
+
+  /**
+   * execute search (requires search index to be loaded)
+   */
+  query : function(query) {
+    var i;
+    var stopwords = ["a","and","are","as","at","be","but","by","for","if","in","into","is","it","near","no","not","of","on","or","such","that","the","their","then","there","these","they","this","to","was","will","with"];
+
+    // stem the searchterms and add them to the correct list
+    var stemmer = new Stemmer();
+    var searchterms = [];
+    var excluded = [];
+    var hlterms = [];
+    var tmp = splitQuery(query);
+    var objectterms = [];
+    for (i = 0; i < tmp.length; i++) {
+      if (tmp[i] !== "") {
+          objectterms.push(tmp[i].toLowerCase());
+      }
+
+      if ($u.indexOf(stopwords, tmp[i].toLowerCase()) != -1 || tmp[i].match(/^\d+$/) ||
+          tmp[i] === "") {
+        // skip this "word"
+        continue;
+      }
+      // stem the word
+      var word = stemmer.stemWord(tmp[i].toLowerCase());
+      // prevent stemmer from cutting word smaller than two chars
+      if(word.length < 3 && tmp[i].length >= 3) {
+        word = tmp[i];
+      }
+      var toAppend;
+      // select the correct list
+      if (word[0] == '-') {
+        toAppend = excluded;
+        word = word.substr(1);
+      }
+      else {
+        toAppend = searchterms;
+        hlterms.push(tmp[i].toLowerCase());
+      }
+      // only add if not already in the list
+      if (!$u.contains(toAppend, word))
+        toAppend.push(word);
+    }
+    var highlightstring = '?highlight=' + $.urlencode(hlterms.join(" "));
+
+    // console.debug('SEARCH: searching for:');
+    // console.info('required: ', searchterms);
+    // console.info('excluded: ', excluded);
+
+    // prepare search
+    var terms = this._index.terms;
+    var titleterms = this._index.titleterms;
+
+    // array of [filename, title, anchor, descr, score]
+    var results = [];
+    $('#search-progress').empty();
+
+    // lookup as object
+    for (i = 0; i < objectterms.length; i++) {
+      var others = [].concat(objectterms.slice(0, i),
+                             objectterms.slice(i+1, objectterms.length));
+      results = results.concat(this.performObjectSearch(objectterms[i], others));
+    }
+
+    // lookup as search terms in fulltext
+    results = results.concat(this.performTermsSearch(searchterms, excluded, terms, titleterms));
+
+    // let the scorer override scores with a custom scoring function
+    if (Scorer.score) {
+      for (i = 0; i < results.length; i++)
+        results[i][4] = Scorer.score(results[i]);
+    }
+
+    // now sort the results by score (in opposite order of appearance, since the
+    // display function below uses pop() to retrieve items) and then
+    // alphabetically
+    results.sort(function(a, b) {
+      var left = a[4];
+      var right = b[4];
+      if (left > right) {
+        return 1;
+      } else if (left < right) {
+        return -1;
+      } else {
+        // same score: sort alphabetically
+        left = a[1].toLowerCase();
+        right = b[1].toLowerCase();
+        return (left > right) ? -1 : ((left < right) ? 1 : 0);
+      }
+    });
+
+    // for debugging
+    //Search.lastresults = results.slice();  // a copy
+    //console.info('search results:', Search.lastresults);
+
+    // print the results
+    var resultCount = results.length;
+    function displayNextItem() {
+      // results left, load the summary and display it
+      if (results.length) {
+        var item = results.pop();
+        var listItem = $('<li style="display:none"></li>');
+        if (DOCUMENTATION_OPTIONS.FILE_SUFFIX === '') {
+          // dirhtml builder
+          var dirname = item[0] + '/';
+          if (dirname.match(/\/index\/$/)) {
+            dirname = dirname.substring(0, dirname.length-6);
+          } else if (dirname == 'index/') {
+            dirname = '';
+          }
+          listItem.append($('<a/>').attr('href',
+            DOCUMENTATION_OPTIONS.URL_ROOT + dirname +
+            highlightstring + item[2]).html(item[1]));
+        } else {
+          // normal html builders
+          listItem.append($('<a/>').attr('href',
+            item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX +
+            highlightstring + item[2]).html(item[1]));
+        }
+        if (item[3]) {
+          listItem.append($('<span> (' + item[3] + ')</span>'));
+          Search.output.append(listItem);
+          listItem.slideDown(5, function() {
+            displayNextItem();
+          });
+        } else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
+          var suffix = DOCUMENTATION_OPTIONS.SOURCELINK_SUFFIX;
+          if (suffix === undefined) {
+            suffix = '.txt';
+          }
+          $.ajax({url: DOCUMENTATION_OPTIONS.URL_ROOT + '_sources/' + item[5] + (item[5].slice(-suffix.length) === suffix ? '' : suffix),
+                  dataType: "text",
+                  complete: function(jqxhr, textstatus) {
+                    var data = jqxhr.responseText;
+                    if (data !== '' && data !== undefined) {
+                      listItem.append(Search.makeSearchSummary(data, searchterms, hlterms));
+                    }
+                    Search.output.append(listItem);
+                    listItem.slideDown(5, function() {
+                      displayNextItem();
+                    });
+                  }});
+        } else {
+          // no source available, just display title
+          Search.output.append(listItem);
+          listItem.slideDown(5, function() {
+            displayNextItem();
+          });
+        }
+      }
+      // search finished, update title and status message
+      else {
+        Search.stopPulse();
+        Search.title.text(_('Search Results'));
+        if (!resultCount)
+          Search.status.text(_('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.'));
+        else
+            Search.status.text(_('Search finished, found %s page(s) matching the search query.').replace('%s', resultCount));
+        Search.status.fadeIn(500);
+      }
+    }
+    displayNextItem();
+  },
+
+  /**
+   * search for object names
+   */
+  performObjectSearch : function(object, otherterms) {
+    var filenames = this._index.filenames;
+    var docnames = this._index.docnames;
+    var objects = this._index.objects;
+    var objnames = this._index.objnames;
+    var titles = this._index.titles;
+
+    var i;
+    var results = [];
+
+    for (var prefix in objects) {
+      for (var name in objects[prefix]) {
+        var fullname = (prefix ? prefix + '.' : '') + name;
+        if (fullname.toLowerCase().indexOf(object) > -1) {
+          var score = 0;
+          var parts = fullname.split('.');
+          // check for different match types: exact matches of full name or
+          // "last name" (i.e. last dotted part)
+          if (fullname == object || parts[parts.length - 1] == object) {
+            score += Scorer.objNameMatch;
+          // matches in last name
+          } else if (parts[parts.length - 1].indexOf(object) > -1) {
+            score += Scorer.objPartialMatch;
+          }
+          var match = objects[prefix][name];
+          var objname = objnames[match[1]][2];
+          var title = titles[match[0]];
+          // If more than one term searched for, we require other words to be
+          // found in the name/title/description
+          if (otherterms.length > 0) {
+            var haystack = (prefix + ' ' + name + ' ' +
+                            objname + ' ' + title).toLowerCase();
+            var allfound = true;
+            for (i = 0; i < otherterms.length; i++) {
+              if (haystack.indexOf(otherterms[i]) == -1) {
+                allfound = false;
+                break;
+              }
+            }
+            if (!allfound) {
+              continue;
+            }
+          }
+          var descr = objname + _(', in ') + title;
+
+          var anchor = match[3];
+          if (anchor === '')
+            anchor = fullname;
+          else if (anchor == '-')
+            anchor = objnames[match[1]][1] + '-' + fullname;
+          // add custom score for some objects according to scorer
+          if (Scorer.objPrio.hasOwnProperty(match[2])) {
+            score += Scorer.objPrio[match[2]];
+          } else {
+            score += Scorer.objPrioDefault;
+          }
+          results.push([docnames[match[0]], fullname, '#'+anchor, descr, score, filenames[match[0]]]);
+        }
+      }
+    }
+
+    return results;
+  },
+
+  /**
+   * search for full-text terms in the index
+   */
+  performTermsSearch : function(searchterms, excluded, terms, titleterms) {
+    var docnames = this._index.docnames;
+    var filenames = this._index.filenames;
+    var titles = this._index.titles;
+
+    var i, j, file;
+    var fileMap = {};
+    var scoreMap = {};
+    var results = [];
+
+    // perform the search on the required terms
+    for (i = 0; i < searchterms.length; i++) {
+      var word = searchterms[i];
+      var files = [];
+      var _o = [
+        {files: terms[word], score: Scorer.term},
+        {files: titleterms[word], score: Scorer.title}
+      ];
+
+      // no match but word was a required one
+      if ($u.every(_o, function(o){return o.files === undefined;})) {
+        break;
+      }
+      // found search word in contents
+      $u.each(_o, function(o) {
+        var _files = o.files;
+        if (_files === undefined)
+          return
+
+        if (_files.length === undefined)
+          _files = [_files];
+        files = files.concat(_files);
+
+        // set score for the word in each file to Scorer.term
+        for (j = 0; j < _files.length; j++) {
+          file = _files[j];
+          if (!(file in scoreMap))
+            scoreMap[file] = {}
+          scoreMap[file][word] = o.score;
+        }
+      });
+
+      // create the mapping
+      for (j = 0; j < files.length; j++) {
+        file = files[j];
+        if (file in fileMap)
+          fileMap[file].push(word);
+        else
+          fileMap[file] = [word];
+      }
+    }
+
+    // now check if the files don't contain excluded terms
+    for (file in fileMap) {
+      var valid = true;
+
+      // check if all requirements are matched
+      if (fileMap[file].length != searchterms.length)
+          continue;
+
+      // ensure that none of the excluded terms is in the search result
+      for (i = 0; i < excluded.length; i++) {
+        if (terms[excluded[i]] == file ||
+            titleterms[excluded[i]] == file ||
+            $u.contains(terms[excluded[i]] || [], file) ||
+            $u.contains(titleterms[excluded[i]] || [], file)) {
+          valid = false;
+          break;
+        }
+      }
+
+      // if we have still a valid result we can add it to the result list
+      if (valid) {
+        // select one (max) score for the file.
+        // for better ranking, we should calculate ranking by using words statistics like basic tf-idf...
+        var score = $u.max($u.map(fileMap[file], function(w){return scoreMap[file][w]}));
+        results.push([docnames[file], titles[file], '', null, score, filenames[file]]);
+      }
+    }
+    return results;
+  },
+
+  /**
+   * helper function to return a node containing the
+   * search summary for a given text. keywords is a list
+   * of stemmed words, hlwords is the list of normal, unstemmed
+   * words. the first one is used to find the occurrence, the
+   * latter for highlighting it.
+   */
+  makeSearchSummary : function(text, keywords, hlwords) {
+    var textLower = text.toLowerCase();
+    var start = 0;
+    $.each(keywords, function() {
+      var i = textLower.indexOf(this.toLowerCase());
+      if (i > -1)
+        start = i;
+    });
+    start = Math.max(start - 120, 0);
+    var excerpt = ((start > 0) ? '...' : '') +
+      $.trim(text.substr(start, 240)) +
+      ((start + 240 - text.length) ? '...' : '');
+    var rv = $('<div class="context"></div>').text(excerpt);
+    $.each(hlwords, function() {
+      rv = rv.highlightText(this, 'highlighted');
+    });
+    return rv;
+  }
+};
+
+$(document).ready(function() {
+  Search.init();
+});
\ No newline at end of file
diff --git a/week06/average-squares-example/docs/_build/html/_static/sidebar.js b/week06/average-squares-example/docs/_build/html/_static/sidebar.js
new file mode 100644
index 0000000..dfbfb05
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/_static/sidebar.js
@@ -0,0 +1,159 @@
+/*
+ * sidebar.js
+ * ~~~~~~~~~~
+ *
+ * This script makes the Sphinx sidebar collapsible.
+ *
+ * .sphinxsidebar contains .sphinxsidebarwrapper.  This script adds
+ * in .sphixsidebar, after .sphinxsidebarwrapper, the #sidebarbutton
+ * used to collapse and expand the sidebar.
+ *
+ * When the sidebar is collapsed the .sphinxsidebarwrapper is hidden
+ * and the width of the sidebar and the margin-left of the document
+ * are decreased. When the sidebar is expanded the opposite happens.
+ * This script saves a per-browser/per-session cookie used to
+ * remember the position of the sidebar among the pages.
+ * Once the browser is closed the cookie is deleted and the position
+ * reset to the default (expanded).
+ *
+ * :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+$(function() {
+  
+  
+  
+  
+  
+  
+  
+
+  // global elements used by the functions.
+  // the 'sidebarbutton' element is defined as global after its
+  // creation, in the add_sidebar_button function
+  var bodywrapper = $('.bodywrapper');
+  var sidebar = $('.sphinxsidebar');
+  var sidebarwrapper = $('.sphinxsidebarwrapper');
+
+  // for some reason, the document has no sidebar; do not run into errors
+  if (!sidebar.length) return;
+
+  // original margin-left of the bodywrapper and width of the sidebar
+  // with the sidebar expanded
+  var bw_margin_expanded = bodywrapper.css('margin-left');
+  var ssb_width_expanded = sidebar.width();
+
+  // margin-left of the bodywrapper and width of the sidebar
+  // with the sidebar collapsed
+  var bw_margin_collapsed = '.8em';
+  var ssb_width_collapsed = '.8em';
+
+  // colors used by the current theme
+  var dark_color = $('.related').css('background-color');
+  var light_color = $('.document').css('background-color');
+
+  function sidebar_is_collapsed() {
+    return sidebarwrapper.is(':not(:visible)');
+  }
+
+  function toggle_sidebar() {
+    if (sidebar_is_collapsed())
+      expand_sidebar();
+    else
+      collapse_sidebar();
+  }
+
+  function collapse_sidebar() {
+    sidebarwrapper.hide();
+    sidebar.css('width', ssb_width_collapsed);
+    bodywrapper.css('margin-left', bw_margin_collapsed);
+    sidebarbutton.css({
+        'margin-left': '0',
+        'height': bodywrapper.height()
+    });
+    sidebarbutton.find('span').text('»');
+    sidebarbutton.attr('title', _('Expand sidebar'));
+    document.cookie = 'sidebar=collapsed';
+  }
+
+  function expand_sidebar() {
+    bodywrapper.css('margin-left', bw_margin_expanded);
+    sidebar.css('width', ssb_width_expanded);
+    sidebarwrapper.show();
+    sidebarbutton.css({
+        'margin-left': ssb_width_expanded-12,
+        'height': bodywrapper.height()
+    });
+    sidebarbutton.find('span').text('«');
+    sidebarbutton.attr('title', _('Collapse sidebar'));
+    document.cookie = 'sidebar=expanded';
+  }
+
+  function add_sidebar_button() {
+    sidebarwrapper.css({
+        'float': 'left',
+        'margin-right': '0',
+        'width': ssb_width_expanded - 28
+    });
+    // create the button
+    sidebar.append(
+        '<div id="sidebarbutton"><span>&laquo;</span></div>'
+    );
+    var sidebarbutton = $('#sidebarbutton');
+    light_color = sidebarbutton.css('background-color');
+    // find the height of the viewport to center the '<<' in the page
+    var viewport_height;
+    if (window.innerHeight)
+ 	  viewport_height = window.innerHeight;
+    else
+	  viewport_height = $(window).height();
+    sidebarbutton.find('span').css({
+        'display': 'block',
+        'margin-top': (viewport_height - sidebar.position().top - 20) / 2
+    });
+
+    sidebarbutton.click(toggle_sidebar);
+    sidebarbutton.attr('title', _('Collapse sidebar'));
+    sidebarbutton.css({
+        'color': '#FFFFFF',
+        'border-left': '1px solid ' + dark_color,
+        'font-size': '1.2em',
+        'cursor': 'pointer',
+        'height': bodywrapper.height(),
+        'padding-top': '1px',
+        'margin-left': ssb_width_expanded - 12
+    });
+
+    sidebarbutton.hover(
+      function () {
+          $(this).css('background-color', dark_color);
+      },
+      function () {
+          $(this).css('background-color', light_color);
+      }
+    );
+  }
+
+  function set_position_from_cookie() {
+    if (!document.cookie)
+      return;
+    var items = document.cookie.split(';');
+    for(var k=0; k<items.length; k++) {
+      var key_val = items[k].split('=');
+      var key = key_val[0].replace(/ /, "");  // strip leading spaces
+      if (key == 'sidebar') {
+        var value = key_val[1];
+        if ((value == 'collapsed') && (!sidebar_is_collapsed()))
+          collapse_sidebar();
+        else if ((value == 'expanded') && (sidebar_is_collapsed()))
+          expand_sidebar();
+      }
+    }
+  }
+
+  add_sidebar_button();
+  var sidebarbutton = $('#sidebarbutton');
+  set_position_from_cookie();
+});
\ No newline at end of file
diff --git a/week06/average-squares-example/docs/_build/html/_static/underscore.js b/week06/average-squares-example/docs/_build/html/_static/underscore.js
new file mode 100644
index 0000000..b29332f
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/_static/underscore.js
@@ -0,0 +1,1548 @@
+//     Underscore.js 1.8.3
+//     http://underscorejs.org
+//     (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+//     Underscore may be freely distributed under the MIT license.
+
+(function() {
+
+  // Baseline setup
+  // --------------
+
+  // Establish the root object, `window` in the browser, or `exports` on the server.
+  var root = this;
+
+  // Save the previous value of the `_` variable.
+  var previousUnderscore = root._;
+
+  // Save bytes in the minified (but not gzipped) version:
+  var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
+
+  // Create quick reference variables for speed access to core prototypes.
+  var
+    push             = ArrayProto.push,
+    slice            = ArrayProto.slice,
+    toString         = ObjProto.toString,
+    hasOwnProperty   = ObjProto.hasOwnProperty;
+
+  // All **ECMAScript 5** native function implementations that we hope to use
+  // are declared here.
+  var
+    nativeIsArray      = Array.isArray,
+    nativeKeys         = Object.keys,
+    nativeBind         = FuncProto.bind,
+    nativeCreate       = Object.create;
+
+  // Naked function reference for surrogate-prototype-swapping.
+  var Ctor = function(){};
+
+  // Create a safe reference to the Underscore object for use below.
+  var _ = function(obj) {
+    if (obj instanceof _) return obj;
+    if (!(this instanceof _)) return new _(obj);
+    this._wrapped = obj;
+  };
+
+  // Export the Underscore object for **Node.js**, with
+  // backwards-compatibility for the old `require()` API. If we're in
+  // the browser, add `_` as a global object.
+  if (typeof exports !== 'undefined') {
+    if (typeof module !== 'undefined' && module.exports) {
+      exports = module.exports = _;
+    }
+    exports._ = _;
+  } else {
+    root._ = _;
+  }
+
+  // Current version.
+  _.VERSION = '1.8.3';
+
+  // Internal function that returns an efficient (for current engines) version
+  // of the passed-in callback, to be repeatedly applied in other Underscore
+  // functions.
+  var optimizeCb = function(func, context, argCount) {
+    if (context === void 0) return func;
+    switch (argCount == null ? 3 : argCount) {
+      case 1: return function(value) {
+        return func.call(context, value);
+      };
+      case 2: return function(value, other) {
+        return func.call(context, value, other);
+      };
+      case 3: return function(value, index, collection) {
+        return func.call(context, value, index, collection);
+      };
+      case 4: return function(accumulator, value, index, collection) {
+        return func.call(context, accumulator, value, index, collection);
+      };
+    }
+    return function() {
+      return func.apply(context, arguments);
+    };
+  };
+
+  // A mostly-internal function to generate callbacks that can be applied
+  // to each element in a collection, returning the desired result — either
+  // identity, an arbitrary callback, a property matcher, or a property accessor.
+  var cb = function(value, context, argCount) {
+    if (value == null) return _.identity;
+    if (_.isFunction(value)) return optimizeCb(value, context, argCount);
+    if (_.isObject(value)) return _.matcher(value);
+    return _.property(value);
+  };
+  _.iteratee = function(value, context) {
+    return cb(value, context, Infinity);
+  };
+
+  // An internal function for creating assigner functions.
+  var createAssigner = function(keysFunc, undefinedOnly) {
+    return function(obj) {
+      var length = arguments.length;
+      if (length < 2 || obj == null) return obj;
+      for (var index = 1; index < length; index++) {
+        var source = arguments[index],
+            keys = keysFunc(source),
+            l = keys.length;
+        for (var i = 0; i < l; i++) {
+          var key = keys[i];
+          if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key];
+        }
+      }
+      return obj;
+    };
+  };
+
+  // An internal function for creating a new object that inherits from another.
+  var baseCreate = function(prototype) {
+    if (!_.isObject(prototype)) return {};
+    if (nativeCreate) return nativeCreate(prototype);
+    Ctor.prototype = prototype;
+    var result = new Ctor;
+    Ctor.prototype = null;
+    return result;
+  };
+
+  var property = function(key) {
+    return function(obj) {
+      return obj == null ? void 0 : obj[key];
+    };
+  };
+
+  // Helper for collection methods to determine whether a collection
+  // should be iterated as an array or as an object
+  // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength
+  // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094
+  var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1;
+  var getLength = property('length');
+  var isArrayLike = function(collection) {
+    var length = getLength(collection);
+    return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX;
+  };
+
+  // Collection Functions
+  // --------------------
+
+  // The cornerstone, an `each` implementation, aka `forEach`.
+  // Handles raw objects in addition to array-likes. Treats all
+  // sparse array-likes as if they were dense.
+  _.each = _.forEach = function(obj, iteratee, context) {
+    iteratee = optimizeCb(iteratee, context);
+    var i, length;
+    if (isArrayLike(obj)) {
+      for (i = 0, length = obj.length; i < length; i++) {
+        iteratee(obj[i], i, obj);
+      }
+    } else {
+      var keys = _.keys(obj);
+      for (i = 0, length = keys.length; i < length; i++) {
+        iteratee(obj[keys[i]], keys[i], obj);
+      }
+    }
+    return obj;
+  };
+
+  // Return the results of applying the iteratee to each element.
+  _.map = _.collect = function(obj, iteratee, context) {
+    iteratee = cb(iteratee, context);
+    var keys = !isArrayLike(obj) && _.keys(obj),
+        length = (keys || obj).length,
+        results = Array(length);
+    for (var index = 0; index < length; index++) {
+      var currentKey = keys ? keys[index] : index;
+      results[index] = iteratee(obj[currentKey], currentKey, obj);
+    }
+    return results;
+  };
+
+  // Create a reducing function iterating left or right.
+  function createReduce(dir) {
+    // Optimized iterator function as using arguments.length
+    // in the main function will deoptimize the, see #1991.
+    function iterator(obj, iteratee, memo, keys, index, length) {
+      for (; index >= 0 && index < length; index += dir) {
+        var currentKey = keys ? keys[index] : index;
+        memo = iteratee(memo, obj[currentKey], currentKey, obj);
+      }
+      return memo;
+    }
+
+    return function(obj, iteratee, memo, context) {
+      iteratee = optimizeCb(iteratee, context, 4);
+      var keys = !isArrayLike(obj) && _.keys(obj),
+          length = (keys || obj).length,
+          index = dir > 0 ? 0 : length - 1;
+      // Determine the initial value if none is provided.
+      if (arguments.length < 3) {
+        memo = obj[keys ? keys[index] : index];
+        index += dir;
+      }
+      return iterator(obj, iteratee, memo, keys, index, length);
+    };
+  }
+
+  // **Reduce** builds up a single result from a list of values, aka `inject`,
+  // or `foldl`.
+  _.reduce = _.foldl = _.inject = createReduce(1);
+
+  // The right-associative version of reduce, also known as `foldr`.
+  _.reduceRight = _.foldr = createReduce(-1);
+
+  // Return the first value which passes a truth test. Aliased as `detect`.
+  _.find = _.detect = function(obj, predicate, context) {
+    var key;
+    if (isArrayLike(obj)) {
+      key = _.findIndex(obj, predicate, context);
+    } else {
+      key = _.findKey(obj, predicate, context);
+    }
+    if (key !== void 0 && key !== -1) return obj[key];
+  };
+
+  // Return all the elements that pass a truth test.
+  // Aliased as `select`.
+  _.filter = _.select = function(obj, predicate, context) {
+    var results = [];
+    predicate = cb(predicate, context);
+    _.each(obj, function(value, index, list) {
+      if (predicate(value, index, list)) results.push(value);
+    });
+    return results;
+  };
+
+  // Return all the elements for which a truth test fails.
+  _.reject = function(obj, predicate, context) {
+    return _.filter(obj, _.negate(cb(predicate)), context);
+  };
+
+  // Determine whether all of the elements match a truth test.
+  // Aliased as `all`.
+  _.every = _.all = function(obj, predicate, context) {
+    predicate = cb(predicate, context);
+    var keys = !isArrayLike(obj) && _.keys(obj),
+        length = (keys || obj).length;
+    for (var index = 0; index < length; index++) {
+      var currentKey = keys ? keys[index] : index;
+      if (!predicate(obj[currentKey], currentKey, obj)) return false;
+    }
+    return true;
+  };
+
+  // Determine if at least one element in the object matches a truth test.
+  // Aliased as `any`.
+  _.some = _.any = function(obj, predicate, context) {
+    predicate = cb(predicate, context);
+    var keys = !isArrayLike(obj) && _.keys(obj),
+        length = (keys || obj).length;
+    for (var index = 0; index < length; index++) {
+      var currentKey = keys ? keys[index] : index;
+      if (predicate(obj[currentKey], currentKey, obj)) return true;
+    }
+    return false;
+  };
+
+  // Determine if the array or object contains a given item (using `===`).
+  // Aliased as `includes` and `include`.
+  _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) {
+    if (!isArrayLike(obj)) obj = _.values(obj);
+    if (typeof fromIndex != 'number' || guard) fromIndex = 0;
+    return _.indexOf(obj, item, fromIndex) >= 0;
+  };
+
+  // Invoke a method (with arguments) on every item in a collection.
+  _.invoke = function(obj, method) {
+    var args = slice.call(arguments, 2);
+    var isFunc = _.isFunction(method);
+    return _.map(obj, function(value) {
+      var func = isFunc ? method : value[method];
+      return func == null ? func : func.apply(value, args);
+    });
+  };
+
+  // Convenience version of a common use case of `map`: fetching a property.
+  _.pluck = function(obj, key) {
+    return _.map(obj, _.property(key));
+  };
+
+  // Convenience version of a common use case of `filter`: selecting only objects
+  // containing specific `key:value` pairs.
+  _.where = function(obj, attrs) {
+    return _.filter(obj, _.matcher(attrs));
+  };
+
+  // Convenience version of a common use case of `find`: getting the first object
+  // containing specific `key:value` pairs.
+  _.findWhere = function(obj, attrs) {
+    return _.find(obj, _.matcher(attrs));
+  };
+
+  // Return the maximum element (or element-based computation).
+  _.max = function(obj, iteratee, context) {
+    var result = -Infinity, lastComputed = -Infinity,
+        value, computed;
+    if (iteratee == null && obj != null) {
+      obj = isArrayLike(obj) ? obj : _.values(obj);
+      for (var i = 0, length = obj.length; i < length; i++) {
+        value = obj[i];
+        if (value > result) {
+          result = value;
+        }
+      }
+    } else {
+      iteratee = cb(iteratee, context);
+      _.each(obj, function(value, index, list) {
+        computed = iteratee(value, index, list);
+        if (computed > lastComputed || computed === -Infinity && result === -Infinity) {
+          result = value;
+          lastComputed = computed;
+        }
+      });
+    }
+    return result;
+  };
+
+  // Return the minimum element (or element-based computation).
+  _.min = function(obj, iteratee, context) {
+    var result = Infinity, lastComputed = Infinity,
+        value, computed;
+    if (iteratee == null && obj != null) {
+      obj = isArrayLike(obj) ? obj : _.values(obj);
+      for (var i = 0, length = obj.length; i < length; i++) {
+        value = obj[i];
+        if (value < result) {
+          result = value;
+        }
+      }
+    } else {
+      iteratee = cb(iteratee, context);
+      _.each(obj, function(value, index, list) {
+        computed = iteratee(value, index, list);
+        if (computed < lastComputed || computed === Infinity && result === Infinity) {
+          result = value;
+          lastComputed = computed;
+        }
+      });
+    }
+    return result;
+  };
+
+  // Shuffle a collection, using the modern version of the
+  // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
+  _.shuffle = function(obj) {
+    var set = isArrayLike(obj) ? obj : _.values(obj);
+    var length = set.length;
+    var shuffled = Array(length);
+    for (var index = 0, rand; index < length; index++) {
+      rand = _.random(0, index);
+      if (rand !== index) shuffled[index] = shuffled[rand];
+      shuffled[rand] = set[index];
+    }
+    return shuffled;
+  };
+
+  // Sample **n** random values from a collection.
+  // If **n** is not specified, returns a single random element.
+  // The internal `guard` argument allows it to work with `map`.
+  _.sample = function(obj, n, guard) {
+    if (n == null || guard) {
+      if (!isArrayLike(obj)) obj = _.values(obj);
+      return obj[_.random(obj.length - 1)];
+    }
+    return _.shuffle(obj).slice(0, Math.max(0, n));
+  };
+
+  // Sort the object's values by a criterion produced by an iteratee.
+  _.sortBy = function(obj, iteratee, context) {
+    iteratee = cb(iteratee, context);
+    return _.pluck(_.map(obj, function(value, index, list) {
+      return {
+        value: value,
+        index: index,
+        criteria: iteratee(value, index, list)
+      };
+    }).sort(function(left, right) {
+      var a = left.criteria;
+      var b = right.criteria;
+      if (a !== b) {
+        if (a > b || a === void 0) return 1;
+        if (a < b || b === void 0) return -1;
+      }
+      return left.index - right.index;
+    }), 'value');
+  };
+
+  // An internal function used for aggregate "group by" operations.
+  var group = function(behavior) {
+    return function(obj, iteratee, context) {
+      var result = {};
+      iteratee = cb(iteratee, context);
+      _.each(obj, function(value, index) {
+        var key = iteratee(value, index, obj);
+        behavior(result, value, key);
+      });
+      return result;
+    };
+  };
+
+  // Groups the object's values by a criterion. Pass either a string attribute
+  // to group by, or a function that returns the criterion.
+  _.groupBy = group(function(result, value, key) {
+    if (_.has(result, key)) result[key].push(value); else result[key] = [value];
+  });
+
+  // Indexes the object's values by a criterion, similar to `groupBy`, but for
+  // when you know that your index values will be unique.
+  _.indexBy = group(function(result, value, key) {
+    result[key] = value;
+  });
+
+  // Counts instances of an object that group by a certain criterion. Pass
+  // either a string attribute to count by, or a function that returns the
+  // criterion.
+  _.countBy = group(function(result, value, key) {
+    if (_.has(result, key)) result[key]++; else result[key] = 1;
+  });
+
+  // Safely create a real, live array from anything iterable.
+  _.toArray = function(obj) {
+    if (!obj) return [];
+    if (_.isArray(obj)) return slice.call(obj);
+    if (isArrayLike(obj)) return _.map(obj, _.identity);
+    return _.values(obj);
+  };
+
+  // Return the number of elements in an object.
+  _.size = function(obj) {
+    if (obj == null) return 0;
+    return isArrayLike(obj) ? obj.length : _.keys(obj).length;
+  };
+
+  // Split a collection into two arrays: one whose elements all satisfy the given
+  // predicate, and one whose elements all do not satisfy the predicate.
+  _.partition = function(obj, predicate, context) {
+    predicate = cb(predicate, context);
+    var pass = [], fail = [];
+    _.each(obj, function(value, key, obj) {
+      (predicate(value, key, obj) ? pass : fail).push(value);
+    });
+    return [pass, fail];
+  };
+
+  // Array Functions
+  // ---------------
+
+  // Get the first element of an array. Passing **n** will return the first N
+  // values in the array. Aliased as `head` and `take`. The **guard** check
+  // allows it to work with `_.map`.
+  _.first = _.head = _.take = function(array, n, guard) {
+    if (array == null) return void 0;
+    if (n == null || guard) return array[0];
+    return _.initial(array, array.length - n);
+  };
+
+  // Returns everything but the last entry of the array. Especially useful on
+  // the arguments object. Passing **n** will return all the values in
+  // the array, excluding the last N.
+  _.initial = function(array, n, guard) {
+    return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n)));
+  };
+
+  // Get the last element of an array. Passing **n** will return the last N
+  // values in the array.
+  _.last = function(array, n, guard) {
+    if (array == null) return void 0;
+    if (n == null || guard) return array[array.length - 1];
+    return _.rest(array, Math.max(0, array.length - n));
+  };
+
+  // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
+  // Especially useful on the arguments object. Passing an **n** will return
+  // the rest N values in the array.
+  _.rest = _.tail = _.drop = function(array, n, guard) {
+    return slice.call(array, n == null || guard ? 1 : n);
+  };
+
+  // Trim out all falsy values from an array.
+  _.compact = function(array) {
+    return _.filter(array, _.identity);
+  };
+
+  // Internal implementation of a recursive `flatten` function.
+  var flatten = function(input, shallow, strict, startIndex) {
+    var output = [], idx = 0;
+    for (var i = startIndex || 0, length = getLength(input); i < length; i++) {
+      var value = input[i];
+      if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) {
+        //flatten current level of array or arguments object
+        if (!shallow) value = flatten(value, shallow, strict);
+        var j = 0, len = value.length;
+        output.length += len;
+        while (j < len) {
+          output[idx++] = value[j++];
+        }
+      } else if (!strict) {
+        output[idx++] = value;
+      }
+    }
+    return output;
+  };
+
+  // Flatten out an array, either recursively (by default), or just one level.
+  _.flatten = function(array, shallow) {
+    return flatten(array, shallow, false);
+  };
+
+  // Return a version of the array that does not contain the specified value(s).
+  _.without = function(array) {
+    return _.difference(array, slice.call(arguments, 1));
+  };
+
+  // Produce a duplicate-free version of the array. If the array has already
+  // been sorted, you have the option of using a faster algorithm.
+  // Aliased as `unique`.
+  _.uniq = _.unique = function(array, isSorted, iteratee, context) {
+    if (!_.isBoolean(isSorted)) {
+      context = iteratee;
+      iteratee = isSorted;
+      isSorted = false;
+    }
+    if (iteratee != null) iteratee = cb(iteratee, context);
+    var result = [];
+    var seen = [];
+    for (var i = 0, length = getLength(array); i < length; i++) {
+      var value = array[i],
+          computed = iteratee ? iteratee(value, i, array) : value;
+      if (isSorted) {
+        if (!i || seen !== computed) result.push(value);
+        seen = computed;
+      } else if (iteratee) {
+        if (!_.contains(seen, computed)) {
+          seen.push(computed);
+          result.push(value);
+        }
+      } else if (!_.contains(result, value)) {
+        result.push(value);
+      }
+    }
+    return result;
+  };
+
+  // Produce an array that contains the union: each distinct element from all of
+  // the passed-in arrays.
+  _.union = function() {
+    return _.uniq(flatten(arguments, true, true));
+  };
+
+  // Produce an array that contains every item shared between all the
+  // passed-in arrays.
+  _.intersection = function(array) {
+    var result = [];
+    var argsLength = arguments.length;
+    for (var i = 0, length = getLength(array); i < length; i++) {
+      var item = array[i];
+      if (_.contains(result, item)) continue;
+      for (var j = 1; j < argsLength; j++) {
+        if (!_.contains(arguments[j], item)) break;
+      }
+      if (j === argsLength) result.push(item);
+    }
+    return result;
+  };
+
+  // Take the difference between one array and a number of other arrays.
+  // Only the elements present in just the first array will remain.
+  _.difference = function(array) {
+    var rest = flatten(arguments, true, true, 1);
+    return _.filter(array, function(value){
+      return !_.contains(rest, value);
+    });
+  };
+
+  // Zip together multiple lists into a single array -- elements that share
+  // an index go together.
+  _.zip = function() {
+    return _.unzip(arguments);
+  };
+
+  // Complement of _.zip. Unzip accepts an array of arrays and groups
+  // each array's elements on shared indices
+  _.unzip = function(array) {
+    var length = array && _.max(array, getLength).length || 0;
+    var result = Array(length);
+
+    for (var index = 0; index < length; index++) {
+      result[index] = _.pluck(array, index);
+    }
+    return result;
+  };
+
+  // Converts lists into objects. Pass either a single array of `[key, value]`
+  // pairs, or two parallel arrays of the same length -- one of keys, and one of
+  // the corresponding values.
+  _.object = function(list, values) {
+    var result = {};
+    for (var i = 0, length = getLength(list); i < length; i++) {
+      if (values) {
+        result[list[i]] = values[i];
+      } else {
+        result[list[i][0]] = list[i][1];
+      }
+    }
+    return result;
+  };
+
+  // Generator function to create the findIndex and findLastIndex functions
+  function createPredicateIndexFinder(dir) {
+    return function(array, predicate, context) {
+      predicate = cb(predicate, context);
+      var length = getLength(array);
+      var index = dir > 0 ? 0 : length - 1;
+      for (; index >= 0 && index < length; index += dir) {
+        if (predicate(array[index], index, array)) return index;
+      }
+      return -1;
+    };
+  }
+
+  // Returns the first index on an array-like that passes a predicate test
+  _.findIndex = createPredicateIndexFinder(1);
+  _.findLastIndex = createPredicateIndexFinder(-1);
+
+  // Use a comparator function to figure out the smallest index at which
+  // an object should be inserted so as to maintain order. Uses binary search.
+  _.sortedIndex = function(array, obj, iteratee, context) {
+    iteratee = cb(iteratee, context, 1);
+    var value = iteratee(obj);
+    var low = 0, high = getLength(array);
+    while (low < high) {
+      var mid = Math.floor((low + high) / 2);
+      if (iteratee(array[mid]) < value) low = mid + 1; else high = mid;
+    }
+    return low;
+  };
+
+  // Generator function to create the indexOf and lastIndexOf functions
+  function createIndexFinder(dir, predicateFind, sortedIndex) {
+    return function(array, item, idx) {
+      var i = 0, length = getLength(array);
+      if (typeof idx == 'number') {
+        if (dir > 0) {
+            i = idx >= 0 ? idx : Math.max(idx + length, i);
+        } else {
+            length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1;
+        }
+      } else if (sortedIndex && idx && length) {
+        idx = sortedIndex(array, item);
+        return array[idx] === item ? idx : -1;
+      }
+      if (item !== item) {
+        idx = predicateFind(slice.call(array, i, length), _.isNaN);
+        return idx >= 0 ? idx + i : -1;
+      }
+      for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) {
+        if (array[idx] === item) return idx;
+      }
+      return -1;
+    };
+  }
+
+  // Return the position of the first occurrence of an item in an array,
+  // or -1 if the item is not included in the array.
+  // If the array is large and already in sort order, pass `true`
+  // for **isSorted** to use binary search.
+  _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex);
+  _.lastIndexOf = createIndexFinder(-1, _.findLastIndex);
+
+  // Generate an integer Array containing an arithmetic progression. A port of
+  // the native Python `range()` function. See
+  // [the Python documentation](http://docs.python.org/library/functions.html#range).
+  _.range = function(start, stop, step) {
+    if (stop == null) {
+      stop = start || 0;
+      start = 0;
+    }
+    step = step || 1;
+
+    var length = Math.max(Math.ceil((stop - start) / step), 0);
+    var range = Array(length);
+
+    for (var idx = 0; idx < length; idx++, start += step) {
+      range[idx] = start;
+    }
+
+    return range;
+  };
+
+  // Function (ahem) Functions
+  // ------------------
+
+  // Determines whether to execute a function as a constructor
+  // or a normal function with the provided arguments
+  var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) {
+    if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);
+    var self = baseCreate(sourceFunc.prototype);
+    var result = sourceFunc.apply(self, args);
+    if (_.isObject(result)) return result;
+    return self;
+  };
+
+  // Create a function bound to a given object (assigning `this`, and arguments,
+  // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
+  // available.
+  _.bind = function(func, context) {
+    if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
+    if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function');
+    var args = slice.call(arguments, 2);
+    var bound = function() {
+      return executeBound(func, bound, context, this, args.concat(slice.call(arguments)));
+    };
+    return bound;
+  };
+
+  // Partially apply a function by creating a version that has had some of its
+  // arguments pre-filled, without changing its dynamic `this` context. _ acts
+  // as a placeholder, allowing any combination of arguments to be pre-filled.
+  _.partial = function(func) {
+    var boundArgs = slice.call(arguments, 1);
+    var bound = function() {
+      var position = 0, length = boundArgs.length;
+      var args = Array(length);
+      for (var i = 0; i < length; i++) {
+        args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i];
+      }
+      while (position < arguments.length) args.push(arguments[position++]);
+      return executeBound(func, bound, this, this, args);
+    };
+    return bound;
+  };
+
+  // Bind a number of an object's methods to that object. Remaining arguments
+  // are the method names to be bound. Useful for ensuring that all callbacks
+  // defined on an object belong to it.
+  _.bindAll = function(obj) {
+    var i, length = arguments.length, key;
+    if (length <= 1) throw new Error('bindAll must be passed function names');
+    for (i = 1; i < length; i++) {
+      key = arguments[i];
+      obj[key] = _.bind(obj[key], obj);
+    }
+    return obj;
+  };
+
+  // Memoize an expensive function by storing its results.
+  _.memoize = function(func, hasher) {
+    var memoize = function(key) {
+      var cache = memoize.cache;
+      var address = '' + (hasher ? hasher.apply(this, arguments) : key);
+      if (!_.has(cache, address)) cache[address] = func.apply(this, arguments);
+      return cache[address];
+    };
+    memoize.cache = {};
+    return memoize;
+  };
+
+  // Delays a function for the given number of milliseconds, and then calls
+  // it with the arguments supplied.
+  _.delay = function(func, wait) {
+    var args = slice.call(arguments, 2);
+    return setTimeout(function(){
+      return func.apply(null, args);
+    }, wait);
+  };
+
+  // Defers a function, scheduling it to run after the current call stack has
+  // cleared.
+  _.defer = _.partial(_.delay, _, 1);
+
+  // Returns a function, that, when invoked, will only be triggered at most once
+  // during a given window of time. Normally, the throttled function will run
+  // as much as it can, without ever going more than once per `wait` duration;
+  // but if you'd like to disable the execution on the leading edge, pass
+  // `{leading: false}`. To disable execution on the trailing edge, ditto.
+  _.throttle = function(func, wait, options) {
+    var context, args, result;
+    var timeout = null;
+    var previous = 0;
+    if (!options) options = {};
+    var later = function() {
+      previous = options.leading === false ? 0 : _.now();
+      timeout = null;
+      result = func.apply(context, args);
+      if (!timeout) context = args = null;
+    };
+    return function() {
+      var now = _.now();
+      if (!previous && options.leading === false) previous = now;
+      var remaining = wait - (now - previous);
+      context = this;
+      args = arguments;
+      if (remaining <= 0 || remaining > wait) {
+        if (timeout) {
+          clearTimeout(timeout);
+          timeout = null;
+        }
+        previous = now;
+        result = func.apply(context, args);
+        if (!timeout) context = args = null;
+      } else if (!timeout && options.trailing !== false) {
+        timeout = setTimeout(later, remaining);
+      }
+      return result;
+    };
+  };
+
+  // Returns a function, that, as long as it continues to be invoked, will not
+  // be triggered. The function will be called after it stops being called for
+  // N milliseconds. If `immediate` is passed, trigger the function on the
+  // leading edge, instead of the trailing.
+  _.debounce = function(func, wait, immediate) {
+    var timeout, args, context, timestamp, result;
+
+    var later = function() {
+      var last = _.now() - timestamp;
+
+      if (last < wait && last >= 0) {
+        timeout = setTimeout(later, wait - last);
+      } else {
+        timeout = null;
+        if (!immediate) {
+          result = func.apply(context, args);
+          if (!timeout) context = args = null;
+        }
+      }
+    };
+
+    return function() {
+      context = this;
+      args = arguments;
+      timestamp = _.now();
+      var callNow = immediate && !timeout;
+      if (!timeout) timeout = setTimeout(later, wait);
+      if (callNow) {
+        result = func.apply(context, args);
+        context = args = null;
+      }
+
+      return result;
+    };
+  };
+
+  // Returns the first function passed as an argument to the second,
+  // allowing you to adjust arguments, run code before and after, and
+  // conditionally execute the original function.
+  _.wrap = function(func, wrapper) {
+    return _.partial(wrapper, func);
+  };
+
+  // Returns a negated version of the passed-in predicate.
+  _.negate = function(predicate) {
+    return function() {
+      return !predicate.apply(this, arguments);
+    };
+  };
+
+  // Returns a function that is the composition of a list of functions, each
+  // consuming the return value of the function that follows.
+  _.compose = function() {
+    var args = arguments;
+    var start = args.length - 1;
+    return function() {
+      var i = start;
+      var result = args[start].apply(this, arguments);
+      while (i--) result = args[i].call(this, result);
+      return result;
+    };
+  };
+
+  // Returns a function that will only be executed on and after the Nth call.
+  _.after = function(times, func) {
+    return function() {
+      if (--times < 1) {
+        return func.apply(this, arguments);
+      }
+    };
+  };
+
+  // Returns a function that will only be executed up to (but not including) the Nth call.
+  _.before = function(times, func) {
+    var memo;
+    return function() {
+      if (--times > 0) {
+        memo = func.apply(this, arguments);
+      }
+      if (times <= 1) func = null;
+      return memo;
+    };
+  };
+
+  // Returns a function that will be executed at most one time, no matter how
+  // often you call it. Useful for lazy initialization.
+  _.once = _.partial(_.before, 2);
+
+  // Object Functions
+  // ----------------
+
+  // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed.
+  var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString');
+  var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString',
+                      'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];
+
+  function collectNonEnumProps(obj, keys) {
+    var nonEnumIdx = nonEnumerableProps.length;
+    var constructor = obj.constructor;
+    var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto;
+
+    // Constructor is a special case.
+    var prop = 'constructor';
+    if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop);
+
+    while (nonEnumIdx--) {
+      prop = nonEnumerableProps[nonEnumIdx];
+      if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) {
+        keys.push(prop);
+      }
+    }
+  }
+
+  // Retrieve the names of an object's own properties.
+  // Delegates to **ECMAScript 5**'s native `Object.keys`
+  _.keys = function(obj) {
+    if (!_.isObject(obj)) return [];
+    if (nativeKeys) return nativeKeys(obj);
+    var keys = [];
+    for (var key in obj) if (_.has(obj, key)) keys.push(key);
+    // Ahem, IE < 9.
+    if (hasEnumBug) collectNonEnumProps(obj, keys);
+    return keys;
+  };
+
+  // Retrieve all the property names of an object.
+  _.allKeys = function(obj) {
+    if (!_.isObject(obj)) return [];
+    var keys = [];
+    for (var key in obj) keys.push(key);
+    // Ahem, IE < 9.
+    if (hasEnumBug) collectNonEnumProps(obj, keys);
+    return keys;
+  };
+
+  // Retrieve the values of an object's properties.
+  _.values = function(obj) {
+    var keys = _.keys(obj);
+    var length = keys.length;
+    var values = Array(length);
+    for (var i = 0; i < length; i++) {
+      values[i] = obj[keys[i]];
+    }
+    return values;
+  };
+
+  // Returns the results of applying the iteratee to each element of the object
+  // In contrast to _.map it returns an object
+  _.mapObject = function(obj, iteratee, context) {
+    iteratee = cb(iteratee, context);
+    var keys =  _.keys(obj),
+          length = keys.length,
+          results = {},
+          currentKey;
+      for (var index = 0; index < length; index++) {
+        currentKey = keys[index];
+        results[currentKey] = iteratee(obj[currentKey], currentKey, obj);
+      }
+      return results;
+  };
+
+  // Convert an object into a list of `[key, value]` pairs.
+  _.pairs = function(obj) {
+    var keys = _.keys(obj);
+    var length = keys.length;
+    var pairs = Array(length);
+    for (var i = 0; i < length; i++) {
+      pairs[i] = [keys[i], obj[keys[i]]];
+    }
+    return pairs;
+  };
+
+  // Invert the keys and values of an object. The values must be serializable.
+  _.invert = function(obj) {
+    var result = {};
+    var keys = _.keys(obj);
+    for (var i = 0, length = keys.length; i < length; i++) {
+      result[obj[keys[i]]] = keys[i];
+    }
+    return result;
+  };
+
+  // Return a sorted list of the function names available on the object.
+  // Aliased as `methods`
+  _.functions = _.methods = function(obj) {
+    var names = [];
+    for (var key in obj) {
+      if (_.isFunction(obj[key])) names.push(key);
+    }
+    return names.sort();
+  };
+
+  // Extend a given object with all the properties in passed-in object(s).
+  _.extend = createAssigner(_.allKeys);
+
+  // Assigns a given object with all the own properties in the passed-in object(s)
+  // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
+  _.extendOwn = _.assign = createAssigner(_.keys);
+
+  // Returns the first key on an object that passes a predicate test
+  _.findKey = function(obj, predicate, context) {
+    predicate = cb(predicate, context);
+    var keys = _.keys(obj), key;
+    for (var i = 0, length = keys.length; i < length; i++) {
+      key = keys[i];
+      if (predicate(obj[key], key, obj)) return key;
+    }
+  };
+
+  // Return a copy of the object only containing the whitelisted properties.
+  _.pick = function(object, oiteratee, context) {
+    var result = {}, obj = object, iteratee, keys;
+    if (obj == null) return result;
+    if (_.isFunction(oiteratee)) {
+      keys = _.allKeys(obj);
+      iteratee = optimizeCb(oiteratee, context);
+    } else {
+      keys = flatten(arguments, false, false, 1);
+      iteratee = function(value, key, obj) { return key in obj; };
+      obj = Object(obj);
+    }
+    for (var i = 0, length = keys.length; i < length; i++) {
+      var key = keys[i];
+      var value = obj[key];
+      if (iteratee(value, key, obj)) result[key] = value;
+    }
+    return result;
+  };
+
+   // Return a copy of the object without the blacklisted properties.
+  _.omit = function(obj, iteratee, context) {
+    if (_.isFunction(iteratee)) {
+      iteratee = _.negate(iteratee);
+    } else {
+      var keys = _.map(flatten(arguments, false, false, 1), String);
+      iteratee = function(value, key) {
+        return !_.contains(keys, key);
+      };
+    }
+    return _.pick(obj, iteratee, context);
+  };
+
+  // Fill in a given object with default properties.
+  _.defaults = createAssigner(_.allKeys, true);
+
+  // Creates an object that inherits from the given prototype object.
+  // If additional properties are provided then they will be added to the
+  // created object.
+  _.create = function(prototype, props) {
+    var result = baseCreate(prototype);
+    if (props) _.extendOwn(result, props);
+    return result;
+  };
+
+  // Create a (shallow-cloned) duplicate of an object.
+  _.clone = function(obj) {
+    if (!_.isObject(obj)) return obj;
+    return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+  };
+
+  // Invokes interceptor with the obj, and then returns obj.
+  // The primary purpose of this method is to "tap into" a method chain, in
+  // order to perform operations on intermediate results within the chain.
+  _.tap = function(obj, interceptor) {
+    interceptor(obj);
+    return obj;
+  };
+
+  // Returns whether an object has a given set of `key:value` pairs.
+  _.isMatch = function(object, attrs) {
+    var keys = _.keys(attrs), length = keys.length;
+    if (object == null) return !length;
+    var obj = Object(object);
+    for (var i = 0; i < length; i++) {
+      var key = keys[i];
+      if (attrs[key] !== obj[key] || !(key in obj)) return false;
+    }
+    return true;
+  };
+
+
+  // Internal recursive comparison function for `isEqual`.
+  var eq = function(a, b, aStack, bStack) {
+    // Identical objects are equal. `0 === -0`, but they aren't identical.
+    // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
+    if (a === b) return a !== 0 || 1 / a === 1 / b;
+    // A strict comparison is necessary because `null == undefined`.
+    if (a == null || b == null) return a === b;
+    // Unwrap any wrapped objects.
+    if (a instanceof _) a = a._wrapped;
+    if (b instanceof _) b = b._wrapped;
+    // Compare `[[Class]]` names.
+    var className = toString.call(a);
+    if (className !== toString.call(b)) return false;
+    switch (className) {
+      // Strings, numbers, regular expressions, dates, and booleans are compared by value.
+      case '[object RegExp]':
+      // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i')
+      case '[object String]':
+        // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
+        // equivalent to `new String("5")`.
+        return '' + a === '' + b;
+      case '[object Number]':
+        // `NaN`s are equivalent, but non-reflexive.
+        // Object(NaN) is equivalent to NaN
+        if (+a !== +a) return +b !== +b;
+        // An `egal` comparison is performed for other numeric values.
+        return +a === 0 ? 1 / +a === 1 / b : +a === +b;
+      case '[object Date]':
+      case '[object Boolean]':
+        // Coerce dates and booleans to numeric primitive values. Dates are compared by their
+        // millisecond representations. Note that invalid dates with millisecond representations
+        // of `NaN` are not equivalent.
+        return +a === +b;
+    }
+
+    var areArrays = className === '[object Array]';
+    if (!areArrays) {
+      if (typeof a != 'object' || typeof b != 'object') return false;
+
+      // Objects with different constructors are not equivalent, but `Object`s or `Array`s
+      // from different frames are.
+      var aCtor = a.constructor, bCtor = b.constructor;
+      if (aCtor !== bCtor && !(_.isFunction(aCtor) && aCtor instanceof aCtor &&
+                               _.isFunction(bCtor) && bCtor instanceof bCtor)
+                          && ('constructor' in a && 'constructor' in b)) {
+        return false;
+      }
+    }
+    // Assume equality for cyclic structures. The algorithm for detecting cyclic
+    // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
+
+    // Initializing stack of traversed objects.
+    // It's done here since we only need them for objects and arrays comparison.
+    aStack = aStack || [];
+    bStack = bStack || [];
+    var length = aStack.length;
+    while (length--) {
+      // Linear search. Performance is inversely proportional to the number of
+      // unique nested structures.
+      if (aStack[length] === a) return bStack[length] === b;
+    }
+
+    // Add the first object to the stack of traversed objects.
+    aStack.push(a);
+    bStack.push(b);
+
+    // Recursively compare objects and arrays.
+    if (areArrays) {
+      // Compare array lengths to determine if a deep comparison is necessary.
+      length = a.length;
+      if (length !== b.length) return false;
+      // Deep compare the contents, ignoring non-numeric properties.
+      while (length--) {
+        if (!eq(a[length], b[length], aStack, bStack)) return false;
+      }
+    } else {
+      // Deep compare objects.
+      var keys = _.keys(a), key;
+      length = keys.length;
+      // Ensure that both objects contain the same number of properties before comparing deep equality.
+      if (_.keys(b).length !== length) return false;
+      while (length--) {
+        // Deep compare each member
+        key = keys[length];
+        if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false;
+      }
+    }
+    // Remove the first object from the stack of traversed objects.
+    aStack.pop();
+    bStack.pop();
+    return true;
+  };
+
+  // Perform a deep comparison to check if two objects are equal.
+  _.isEqual = function(a, b) {
+    return eq(a, b);
+  };
+
+  // Is a given array, string, or object empty?
+  // An "empty" object has no enumerable own-properties.
+  _.isEmpty = function(obj) {
+    if (obj == null) return true;
+    if (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0;
+    return _.keys(obj).length === 0;
+  };
+
+  // Is a given value a DOM element?
+  _.isElement = function(obj) {
+    return !!(obj && obj.nodeType === 1);
+  };
+
+  // Is a given value an array?
+  // Delegates to ECMA5's native Array.isArray
+  _.isArray = nativeIsArray || function(obj) {
+    return toString.call(obj) === '[object Array]';
+  };
+
+  // Is a given variable an object?
+  _.isObject = function(obj) {
+    var type = typeof obj;
+    return type === 'function' || type === 'object' && !!obj;
+  };
+
+  // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError.
+  _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error'], function(name) {
+    _['is' + name] = function(obj) {
+      return toString.call(obj) === '[object ' + name + ']';
+    };
+  });
+
+  // Define a fallback version of the method in browsers (ahem, IE < 9), where
+  // there isn't any inspectable "Arguments" type.
+  if (!_.isArguments(arguments)) {
+    _.isArguments = function(obj) {
+      return _.has(obj, 'callee');
+    };
+  }
+
+  // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8,
+  // IE 11 (#1621), and in Safari 8 (#1929).
+  if (typeof /./ != 'function' && typeof Int8Array != 'object') {
+    _.isFunction = function(obj) {
+      return typeof obj == 'function' || false;
+    };
+  }
+
+  // Is a given object a finite number?
+  _.isFinite = function(obj) {
+    return isFinite(obj) && !isNaN(parseFloat(obj));
+  };
+
+  // Is the given value `NaN`? (NaN is the only number which does not equal itself).
+  _.isNaN = function(obj) {
+    return _.isNumber(obj) && obj !== +obj;
+  };
+
+  // Is a given value a boolean?
+  _.isBoolean = function(obj) {
+    return obj === true || obj === false || toString.call(obj) === '[object Boolean]';
+  };
+
+  // Is a given value equal to null?
+  _.isNull = function(obj) {
+    return obj === null;
+  };
+
+  // Is a given variable undefined?
+  _.isUndefined = function(obj) {
+    return obj === void 0;
+  };
+
+  // Shortcut function for checking if an object has a given property directly
+  // on itself (in other words, not on a prototype).
+  _.has = function(obj, key) {
+    return obj != null && hasOwnProperty.call(obj, key);
+  };
+
+  // Utility Functions
+  // -----------------
+
+  // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
+  // previous owner. Returns a reference to the Underscore object.
+  _.noConflict = function() {
+    root._ = previousUnderscore;
+    return this;
+  };
+
+  // Keep the identity function around for default iteratees.
+  _.identity = function(value) {
+    return value;
+  };
+
+  // Predicate-generating functions. Often useful outside of Underscore.
+  _.constant = function(value) {
+    return function() {
+      return value;
+    };
+  };
+
+  _.noop = function(){};
+
+  _.property = property;
+
+  // Generates a function for a given object that returns a given property.
+  _.propertyOf = function(obj) {
+    return obj == null ? function(){} : function(key) {
+      return obj[key];
+    };
+  };
+
+  // Returns a predicate for checking whether an object has a given set of
+  // `key:value` pairs.
+  _.matcher = _.matches = function(attrs) {
+    attrs = _.extendOwn({}, attrs);
+    return function(obj) {
+      return _.isMatch(obj, attrs);
+    };
+  };
+
+  // Run a function **n** times.
+  _.times = function(n, iteratee, context) {
+    var accum = Array(Math.max(0, n));
+    iteratee = optimizeCb(iteratee, context, 1);
+    for (var i = 0; i < n; i++) accum[i] = iteratee(i);
+    return accum;
+  };
+
+  // Return a random integer between min and max (inclusive).
+  _.random = function(min, max) {
+    if (max == null) {
+      max = min;
+      min = 0;
+    }
+    return min + Math.floor(Math.random() * (max - min + 1));
+  };
+
+  // A (possibly faster) way to get the current timestamp as an integer.
+  _.now = Date.now || function() {
+    return new Date().getTime();
+  };
+
+   // List of HTML entities for escaping.
+  var escapeMap = {
+    '&': '&amp;',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#x27;',
+    '`': '&#x60;'
+  };
+  var unescapeMap = _.invert(escapeMap);
+
+  // Functions for escaping and unescaping strings to/from HTML interpolation.
+  var createEscaper = function(map) {
+    var escaper = function(match) {
+      return map[match];
+    };
+    // Regexes for identifying a key that needs to be escaped
+    var source = '(?:' + _.keys(map).join('|') + ')';
+    var testRegexp = RegExp(source);
+    var replaceRegexp = RegExp(source, 'g');
+    return function(string) {
+      string = string == null ? '' : '' + string;
+      return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
+    };
+  };
+  _.escape = createEscaper(escapeMap);
+  _.unescape = createEscaper(unescapeMap);
+
+  // If the value of the named `property` is a function then invoke it with the
+  // `object` as context; otherwise, return it.
+  _.result = function(object, property, fallback) {
+    var value = object == null ? void 0 : object[property];
+    if (value === void 0) {
+      value = fallback;
+    }
+    return _.isFunction(value) ? value.call(object) : value;
+  };
+
+  // Generate a unique integer id (unique within the entire client session).
+  // Useful for temporary DOM ids.
+  var idCounter = 0;
+  _.uniqueId = function(prefix) {
+    var id = ++idCounter + '';
+    return prefix ? prefix + id : id;
+  };
+
+  // By default, Underscore uses ERB-style template delimiters, change the
+  // following template settings to use alternative delimiters.
+  _.templateSettings = {
+    evaluate    : /<%([\s\S]+?)%>/g,
+    interpolate : /<%=([\s\S]+?)%>/g,
+    escape      : /<%-([\s\S]+?)%>/g
+  };
+
+  // When customizing `templateSettings`, if you don't want to define an
+  // interpolation, evaluation or escaping regex, we need one that is
+  // guaranteed not to match.
+  var noMatch = /(.)^/;
+
+  // Certain characters need to be escaped so that they can be put into a
+  // string literal.
+  var escapes = {
+    "'":      "'",
+    '\\':     '\\',
+    '\r':     'r',
+    '\n':     'n',
+    '\u2028': 'u2028',
+    '\u2029': 'u2029'
+  };
+
+  var escaper = /\\|'|\r|\n|\u2028|\u2029/g;
+
+  var escapeChar = function(match) {
+    return '\\' + escapes[match];
+  };
+
+  // JavaScript micro-templating, similar to John Resig's implementation.
+  // Underscore templating handles arbitrary delimiters, preserves whitespace,
+  // and correctly escapes quotes within interpolated code.
+  // NB: `oldSettings` only exists for backwards compatibility.
+  _.template = function(text, settings, oldSettings) {
+    if (!settings && oldSettings) settings = oldSettings;
+    settings = _.defaults({}, settings, _.templateSettings);
+
+    // Combine delimiters into one regular expression via alternation.
+    var matcher = RegExp([
+      (settings.escape || noMatch).source,
+      (settings.interpolate || noMatch).source,
+      (settings.evaluate || noMatch).source
+    ].join('|') + '|$', 'g');
+
+    // Compile the template source, escaping string literals appropriately.
+    var index = 0;
+    var source = "__p+='";
+    text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
+      source += text.slice(index, offset).replace(escaper, escapeChar);
+      index = offset + match.length;
+
+      if (escape) {
+        source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
+      } else if (interpolate) {
+        source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
+      } else if (evaluate) {
+        source += "';\n" + evaluate + "\n__p+='";
+      }
+
+      // Adobe VMs need the match returned to produce the correct offest.
+      return match;
+    });
+    source += "';\n";
+
+    // If a variable is not specified, place data values in local scope.
+    if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
+
+    source = "var __t,__p='',__j=Array.prototype.join," +
+      "print=function(){__p+=__j.call(arguments,'');};\n" +
+      source + 'return __p;\n';
+
+    try {
+      var render = new Function(settings.variable || 'obj', '_', source);
+    } catch (e) {
+      e.source = source;
+      throw e;
+    }
+
+    var template = function(data) {
+      return render.call(this, data, _);
+    };
+
+    // Provide the compiled source as a convenience for precompilation.
+    var argument = settings.variable || 'obj';
+    template.source = 'function(' + argument + '){\n' + source + '}';
+
+    return template;
+  };
+
+  // Add a "chain" function. Start chaining a wrapped Underscore object.
+  _.chain = function(obj) {
+    var instance = _(obj);
+    instance._chain = true;
+    return instance;
+  };
+
+  // OOP
+  // ---------------
+  // If Underscore is called as a function, it returns a wrapped object that
+  // can be used OO-style. This wrapper holds altered versions of all the
+  // underscore functions. Wrapped objects may be chained.
+
+  // Helper function to continue chaining intermediate results.
+  var result = function(instance, obj) {
+    return instance._chain ? _(obj).chain() : obj;
+  };
+
+  // Add your own custom functions to the Underscore object.
+  _.mixin = function(obj) {
+    _.each(_.functions(obj), function(name) {
+      var func = _[name] = obj[name];
+      _.prototype[name] = function() {
+        var args = [this._wrapped];
+        push.apply(args, arguments);
+        return result(this, func.apply(_, args));
+      };
+    });
+  };
+
+  // Add all of the Underscore functions to the wrapper object.
+  _.mixin(_);
+
+  // Add all mutator Array functions to the wrapper.
+  _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
+    var method = ArrayProto[name];
+    _.prototype[name] = function() {
+      var obj = this._wrapped;
+      method.apply(obj, arguments);
+      if ((name === 'shift' || name === 'splice') && obj.length === 0) delete obj[0];
+      return result(this, obj);
+    };
+  });
+
+  // Add all accessor Array functions to the wrapper.
+  _.each(['concat', 'join', 'slice'], function(name) {
+    var method = ArrayProto[name];
+    _.prototype[name] = function() {
+      return result(this, method.apply(this._wrapped, arguments));
+    };
+  });
+
+  // Extracts the result from a wrapped and chained object.
+  _.prototype.value = function() {
+    return this._wrapped;
+  };
+
+  // Provide unwrapping proxy for some methods used in engine operations
+  // such as arithmetic and JSON stringification.
+  _.prototype.valueOf = _.prototype.toJSON = _.prototype.value;
+
+  _.prototype.toString = function() {
+    return '' + this._wrapped;
+  };
+
+  // AMD registration happens at the end for compatibility with AMD loaders
+  // that may not enforce next-turn semantics on modules. Even though general
+  // practice for AMD registration is to be anonymous, underscore registers
+  // as a named module because, like jQuery, it is a base library that is
+  // popular enough to be bundled in a third party lib, but not be part of
+  // an AMD load request. Those cases could generate an error when an
+  // anonymous define() is called outside of a loader request.
+  if (typeof define === 'function' && define.amd) {
+    define('underscore', [], function() {
+      return _;
+    });
+  }
+}.call(this));
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diff --git a/week06/average-squares-example/docs/_build/html/_static/websupport.js b/week06/average-squares-example/docs/_build/html/_static/websupport.js
new file mode 100644
index 0000000..79b18e3
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/_static/websupport.js
@@ -0,0 +1,808 @@
+/*
+ * websupport.js
+ * ~~~~~~~~~~~~~
+ *
+ * sphinx.websupport utilities for all documentation.
+ *
+ * :copyright: Copyright 2007-2018 by the Sphinx team, see AUTHORS.
+ * :license: BSD, see LICENSE for details.
+ *
+ */
+
+(function($) {
+  $.fn.autogrow = function() {
+    return this.each(function() {
+    var textarea = this;
+
+    $.fn.autogrow.resize(textarea);
+
+    $(textarea)
+      .focus(function() {
+        textarea.interval = setInterval(function() {
+          $.fn.autogrow.resize(textarea);
+        }, 500);
+      })
+      .blur(function() {
+        clearInterval(textarea.interval);
+      });
+    });
+  };
+
+  $.fn.autogrow.resize = function(textarea) {
+    var lineHeight = parseInt($(textarea).css('line-height'), 10);
+    var lines = textarea.value.split('\n');
+    var columns = textarea.cols;
+    var lineCount = 0;
+    $.each(lines, function() {
+      lineCount += Math.ceil(this.length / columns) || 1;
+    });
+    var height = lineHeight * (lineCount + 1);
+    $(textarea).css('height', height);
+  };
+})(jQuery);
+
+(function($) {
+  var comp, by;
+
+  function init() {
+    initEvents();
+    initComparator();
+  }
+
+  function initEvents() {
+    $(document).on("click", 'a.comment-close', function(event) {
+      event.preventDefault();
+      hide($(this).attr('id').substring(2));
+    });
+    $(document).on("click", 'a.vote', function(event) {
+      event.preventDefault();
+      handleVote($(this));
+    });
+    $(document).on("click", 'a.reply', function(event) {
+      event.preventDefault();
+      openReply($(this).attr('id').substring(2));
+    });
+    $(document).on("click", 'a.close-reply', function(event) {
+      event.preventDefault();
+      closeReply($(this).attr('id').substring(2));
+    });
+    $(document).on("click", 'a.sort-option', function(event) {
+      event.preventDefault();
+      handleReSort($(this));
+    });
+    $(document).on("click", 'a.show-proposal', function(event) {
+      event.preventDefault();
+      showProposal($(this).attr('id').substring(2));
+    });
+    $(document).on("click", 'a.hide-proposal', function(event) {
+      event.preventDefault();
+      hideProposal($(this).attr('id').substring(2));
+    });
+    $(document).on("click", 'a.show-propose-change', function(event) {
+      event.preventDefault();
+      showProposeChange($(this).attr('id').substring(2));
+    });
+    $(document).on("click", 'a.hide-propose-change', function(event) {
+      event.preventDefault();
+      hideProposeChange($(this).attr('id').substring(2));
+    });
+    $(document).on("click", 'a.accept-comment', function(event) {
+      event.preventDefault();
+      acceptComment($(this).attr('id').substring(2));
+    });
+    $(document).on("click", 'a.delete-comment', function(event) {
+      event.preventDefault();
+      deleteComment($(this).attr('id').substring(2));
+    });
+    $(document).on("click", 'a.comment-markup', function(event) {
+      event.preventDefault();
+      toggleCommentMarkupBox($(this).attr('id').substring(2));
+    });
+  }
+
+  /**
+   * Set comp, which is a comparator function used for sorting and
+   * inserting comments into the list.
+   */
+  function setComparator() {
+    // If the first three letters are "asc", sort in ascending order
+    // and remove the prefix.
+    if (by.substring(0,3) == 'asc') {
+      var i = by.substring(3);
+      comp = function(a, b) { return a[i] - b[i]; };
+    } else {
+      // Otherwise sort in descending order.
+      comp = function(a, b) { return b[by] - a[by]; };
+    }
+
+    // Reset link styles and format the selected sort option.
+    $('a.sel').attr('href', '#').removeClass('sel');
+    $('a.by' + by).removeAttr('href').addClass('sel');
+  }
+
+  /**
+   * Create a comp function. If the user has preferences stored in
+   * the sortBy cookie, use those, otherwise use the default.
+   */
+  function initComparator() {
+    by = 'rating'; // Default to sort by rating.
+    // If the sortBy cookie is set, use that instead.
+    if (document.cookie.length > 0) {
+      var start = document.cookie.indexOf('sortBy=');
+      if (start != -1) {
+        start = start + 7;
+        var end = document.cookie.indexOf(";", start);
+        if (end == -1) {
+          end = document.cookie.length;
+          by = unescape(document.cookie.substring(start, end));
+        }
+      }
+    }
+    setComparator();
+  }
+
+  /**
+   * Show a comment div.
+   */
+  function show(id) {
+    $('#ao' + id).hide();
+    $('#ah' + id).show();
+    var context = $.extend({id: id}, opts);
+    var popup = $(renderTemplate(popupTemplate, context)).hide();
+    popup.find('textarea[name="proposal"]').hide();
+    popup.find('a.by' + by).addClass('sel');
+    var form = popup.find('#cf' + id);
+    form.submit(function(event) {
+      event.preventDefault();
+      addComment(form);
+    });
+    $('#s' + id).after(popup);
+    popup.slideDown('fast', function() {
+      getComments(id);
+    });
+  }
+
+  /**
+   * Hide a comment div.
+   */
+  function hide(id) {
+    $('#ah' + id).hide();
+    $('#ao' + id).show();
+    var div = $('#sc' + id);
+    div.slideUp('fast', function() {
+      div.remove();
+    });
+  }
+
+  /**
+   * Perform an ajax request to get comments for a node
+   * and insert the comments into the comments tree.
+   */
+  function getComments(id) {
+    $.ajax({
+     type: 'GET',
+     url: opts.getCommentsURL,
+     data: {node: id},
+     success: function(data, textStatus, request) {
+       var ul = $('#cl' + id);
+       var speed = 100;
+       $('#cf' + id)
+         .find('textarea[name="proposal"]')
+         .data('source', data.source);
+
+       if (data.comments.length === 0) {
+         ul.html('<li>No comments yet.</li>');
+         ul.data('empty', true);
+       } else {
+         // If there are comments, sort them and put them in the list.
+         var comments = sortComments(data.comments);
+         speed = data.comments.length * 100;
+         appendComments(comments, ul);
+         ul.data('empty', false);
+       }
+       $('#cn' + id).slideUp(speed + 200);
+       ul.slideDown(speed);
+     },
+     error: function(request, textStatus, error) {
+       showError('Oops, there was a problem retrieving the comments.');
+     },
+     dataType: 'json'
+    });
+  }
+
+  /**
+   * Add a comment via ajax and insert the comment into the comment tree.
+   */
+  function addComment(form) {
+    var node_id = form.find('input[name="node"]').val();
+    var parent_id = form.find('input[name="parent"]').val();
+    var text = form.find('textarea[name="comment"]').val();
+    var proposal = form.find('textarea[name="proposal"]').val();
+
+    if (text == '') {
+      showError('Please enter a comment.');
+      return;
+    }
+
+    // Disable the form that is being submitted.
+    form.find('textarea,input').attr('disabled', 'disabled');
+
+    // Send the comment to the server.
+    $.ajax({
+      type: "POST",
+      url: opts.addCommentURL,
+      dataType: 'json',
+      data: {
+        node: node_id,
+        parent: parent_id,
+        text: text,
+        proposal: proposal
+      },
+      success: function(data, textStatus, error) {
+        // Reset the form.
+        if (node_id) {
+          hideProposeChange(node_id);
+        }
+        form.find('textarea')
+          .val('')
+          .add(form.find('input'))
+          .removeAttr('disabled');
+	var ul = $('#cl' + (node_id || parent_id));
+        if (ul.data('empty')) {
+          $(ul).empty();
+          ul.data('empty', false);
+        }
+        insertComment(data.comment);
+        var ao = $('#ao' + node_id);
+        ao.find('img').attr({'src': opts.commentBrightImage});
+        if (node_id) {
+          // if this was a "root" comment, remove the commenting box
+          // (the user can get it back by reopening the comment popup)
+          $('#ca' + node_id).slideUp();
+        }
+      },
+      error: function(request, textStatus, error) {
+        form.find('textarea,input').removeAttr('disabled');
+        showError('Oops, there was a problem adding the comment.');
+      }
+    });
+  }
+
+  /**
+   * Recursively append comments to the main comment list and children
+   * lists, creating the comment tree.
+   */
+  function appendComments(comments, ul) {
+    $.each(comments, function() {
+      var div = createCommentDiv(this);
+      ul.append($(document.createElement('li')).html(div));
+      appendComments(this.children, div.find('ul.comment-children'));
+      // To avoid stagnating data, don't store the comments children in data.
+      this.children = null;
+      div.data('comment', this);
+    });
+  }
+
+  /**
+   * After adding a new comment, it must be inserted in the correct
+   * location in the comment tree.
+   */
+  function insertComment(comment) {
+    var div = createCommentDiv(comment);
+
+    // To avoid stagnating data, don't store the comments children in data.
+    comment.children = null;
+    div.data('comment', comment);
+
+    var ul = $('#cl' + (comment.node || comment.parent));
+    var siblings = getChildren(ul);
+
+    var li = $(document.createElement('li'));
+    li.hide();
+
+    // Determine where in the parents children list to insert this comment.
+    for(i=0; i < siblings.length; i++) {
+      if (comp(comment, siblings[i]) <= 0) {
+        $('#cd' + siblings[i].id)
+          .parent()
+          .before(li.html(div));
+        li.slideDown('fast');
+        return;
+      }
+    }
+
+    // If we get here, this comment rates lower than all the others,
+    // or it is the only comment in the list.
+    ul.append(li.html(div));
+    li.slideDown('fast');
+  }
+
+  function acceptComment(id) {
+    $.ajax({
+      type: 'POST',
+      url: opts.acceptCommentURL,
+      data: {id: id},
+      success: function(data, textStatus, request) {
+        $('#cm' + id).fadeOut('fast');
+        $('#cd' + id).removeClass('moderate');
+      },
+      error: function(request, textStatus, error) {
+        showError('Oops, there was a problem accepting the comment.');
+      }
+    });
+  }
+
+  function deleteComment(id) {
+    $.ajax({
+      type: 'POST',
+      url: opts.deleteCommentURL,
+      data: {id: id},
+      success: function(data, textStatus, request) {
+        var div = $('#cd' + id);
+        if (data == 'delete') {
+          // Moderator mode: remove the comment and all children immediately
+          div.slideUp('fast', function() {
+            div.remove();
+          });
+          return;
+        }
+        // User mode: only mark the comment as deleted
+        div
+          .find('span.user-id:first')
+          .text('[deleted]').end()
+          .find('div.comment-text:first')
+          .text('[deleted]').end()
+          .find('#cm' + id + ', #dc' + id + ', #ac' + id + ', #rc' + id +
+                ', #sp' + id + ', #hp' + id + ', #cr' + id + ', #rl' + id)
+          .remove();
+        var comment = div.data('comment');
+        comment.username = '[deleted]';
+        comment.text = '[deleted]';
+        div.data('comment', comment);
+      },
+      error: function(request, textStatus, error) {
+        showError('Oops, there was a problem deleting the comment.');
+      }
+    });
+  }
+
+  function showProposal(id) {
+    $('#sp' + id).hide();
+    $('#hp' + id).show();
+    $('#pr' + id).slideDown('fast');
+  }
+
+  function hideProposal(id) {
+    $('#hp' + id).hide();
+    $('#sp' + id).show();
+    $('#pr' + id).slideUp('fast');
+  }
+
+  function showProposeChange(id) {
+    $('#pc' + id).hide();
+    $('#hc' + id).show();
+    var textarea = $('#pt' + id);
+    textarea.val(textarea.data('source'));
+    $.fn.autogrow.resize(textarea[0]);
+    textarea.slideDown('fast');
+  }
+
+  function hideProposeChange(id) {
+    $('#hc' + id).hide();
+    $('#pc' + id).show();
+    var textarea = $('#pt' + id);
+    textarea.val('').removeAttr('disabled');
+    textarea.slideUp('fast');
+  }
+
+  function toggleCommentMarkupBox(id) {
+    $('#mb' + id).toggle();
+  }
+
+  /** Handle when the user clicks on a sort by link. */
+  function handleReSort(link) {
+    var classes = link.attr('class').split(/\s+/);
+    for (var i=0; i<classes.length; i++) {
+      if (classes[i] != 'sort-option') {
+	by = classes[i].substring(2);
+      }
+    }
+    setComparator();
+    // Save/update the sortBy cookie.
+    var expiration = new Date();
+    expiration.setDate(expiration.getDate() + 365);
+    document.cookie= 'sortBy=' + escape(by) +
+                     ';expires=' + expiration.toUTCString();
+    $('ul.comment-ul').each(function(index, ul) {
+      var comments = getChildren($(ul), true);
+      comments = sortComments(comments);
+      appendComments(comments, $(ul).empty());
+    });
+  }
+
+  /**
+   * Function to process a vote when a user clicks an arrow.
+   */
+  function handleVote(link) {
+    if (!opts.voting) {
+      showError("You'll need to login to vote.");
+      return;
+    }
+
+    var id = link.attr('id');
+    if (!id) {
+      // Didn't click on one of the voting arrows.
+      return;
+    }
+    // If it is an unvote, the new vote value is 0,
+    // Otherwise it's 1 for an upvote, or -1 for a downvote.
+    var value = 0;
+    if (id.charAt(1) != 'u') {
+      value = id.charAt(0) == 'u' ? 1 : -1;
+    }
+    // The data to be sent to the server.
+    var d = {
+      comment_id: id.substring(2),
+      value: value
+    };
+
+    // Swap the vote and unvote links.
+    link.hide();
+    $('#' + id.charAt(0) + (id.charAt(1) == 'u' ? 'v' : 'u') + d.comment_id)
+      .show();
+
+    // The div the comment is displayed in.
+    var div = $('div#cd' + d.comment_id);
+    var data = div.data('comment');
+
+    // If this is not an unvote, and the other vote arrow has
+    // already been pressed, unpress it.
+    if ((d.value !== 0) && (data.vote === d.value * -1)) {
+      $('#' + (d.value == 1 ? 'd' : 'u') + 'u' + d.comment_id).hide();
+      $('#' + (d.value == 1 ? 'd' : 'u') + 'v' + d.comment_id).show();
+    }
+
+    // Update the comments rating in the local data.
+    data.rating += (data.vote === 0) ? d.value : (d.value - data.vote);
+    data.vote = d.value;
+    div.data('comment', data);
+
+    // Change the rating text.
+    div.find('.rating:first')
+      .text(data.rating + ' point' + (data.rating == 1 ? '' : 's'));
+
+    // Send the vote information to the server.
+    $.ajax({
+      type: "POST",
+      url: opts.processVoteURL,
+      data: d,
+      error: function(request, textStatus, error) {
+        showError('Oops, there was a problem casting that vote.');
+      }
+    });
+  }
+
+  /**
+   * Open a reply form used to reply to an existing comment.
+   */
+  function openReply(id) {
+    // Swap out the reply link for the hide link
+    $('#rl' + id).hide();
+    $('#cr' + id).show();
+
+    // Add the reply li to the children ul.
+    var div = $(renderTemplate(replyTemplate, {id: id})).hide();
+    $('#cl' + id)
+      .prepend(div)
+      // Setup the submit handler for the reply form.
+      .find('#rf' + id)
+      .submit(function(event) {
+        event.preventDefault();
+        addComment($('#rf' + id));
+        closeReply(id);
+      })
+      .find('input[type=button]')
+      .click(function() {
+        closeReply(id);
+      });
+    div.slideDown('fast', function() {
+      $('#rf' + id).find('textarea').focus();
+    });
+  }
+
+  /**
+   * Close the reply form opened with openReply.
+   */
+  function closeReply(id) {
+    // Remove the reply div from the DOM.
+    $('#rd' + id).slideUp('fast', function() {
+      $(this).remove();
+    });
+
+    // Swap out the hide link for the reply link
+    $('#cr' + id).hide();
+    $('#rl' + id).show();
+  }
+
+  /**
+   * Recursively sort a tree of comments using the comp comparator.
+   */
+  function sortComments(comments) {
+    comments.sort(comp);
+    $.each(comments, function() {
+      this.children = sortComments(this.children);
+    });
+    return comments;
+  }
+
+  /**
+   * Get the children comments from a ul. If recursive is true,
+   * recursively include childrens' children.
+   */
+  function getChildren(ul, recursive) {
+    var children = [];
+    ul.children().children("[id^='cd']")
+      .each(function() {
+        var comment = $(this).data('comment');
+        if (recursive)
+          comment.children = getChildren($(this).find('#cl' + comment.id), true);
+        children.push(comment);
+      });
+    return children;
+  }
+
+  /** Create a div to display a comment in. */
+  function createCommentDiv(comment) {
+    if (!comment.displayed && !opts.moderator) {
+      return $('<div class="moderate">Thank you!  Your comment will show up '
+               + 'once it is has been approved by a moderator.</div>');
+    }
+    // Prettify the comment rating.
+    comment.pretty_rating = comment.rating + ' point' +
+      (comment.rating == 1 ? '' : 's');
+    // Make a class (for displaying not yet moderated comments differently)
+    comment.css_class = comment.displayed ? '' : ' moderate';
+    // Create a div for this comment.
+    var context = $.extend({}, opts, comment);
+    var div = $(renderTemplate(commentTemplate, context));
+
+    // If the user has voted on this comment, highlight the correct arrow.
+    if (comment.vote) {
+      var direction = (comment.vote == 1) ? 'u' : 'd';
+      div.find('#' + direction + 'v' + comment.id).hide();
+      div.find('#' + direction + 'u' + comment.id).show();
+    }
+
+    if (opts.moderator || comment.text != '[deleted]') {
+      div.find('a.reply').show();
+      if (comment.proposal_diff)
+        div.find('#sp' + comment.id).show();
+      if (opts.moderator && !comment.displayed)
+        div.find('#cm' + comment.id).show();
+      if (opts.moderator || (opts.username == comment.username))
+        div.find('#dc' + comment.id).show();
+    }
+    return div;
+  }
+
+  /**
+   * A simple template renderer. Placeholders such as <%id%> are replaced
+   * by context['id'] with items being escaped. Placeholders such as <#id#>
+   * are not escaped.
+   */
+  function renderTemplate(template, context) {
+    var esc = $(document.createElement('div'));
+
+    function handle(ph, escape) {
+      var cur = context;
+      $.each(ph.split('.'), function() {
+        cur = cur[this];
+      });
+      return escape ? esc.text(cur || "").html() : cur;
+    }
+
+    return template.replace(/<([%#])([\w\.]*)\1>/g, function() {
+      return handle(arguments[2], arguments[1] == '%' ? true : false);
+    });
+  }
+
+  /** Flash an error message briefly. */
+  function showError(message) {
+    $(document.createElement('div')).attr({'class': 'popup-error'})
+      .append($(document.createElement('div'))
+               .attr({'class': 'error-message'}).text(message))
+      .appendTo('body')
+      .fadeIn("slow")
+      .delay(2000)
+      .fadeOut("slow");
+  }
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+  /** Add a link the user uses to open the comments popup. */
+  $.fn.comment = function() {
+    return this.each(function() {
+      var id = $(this).attr('id').substring(1);
+      var count = COMMENT_METADATA[id];
+      var title = count + ' comment' + (count == 1 ? '' : 's');
+      var image = count > 0 ? opts.commentBrightImage : opts.commentImage;
+      var addcls = count == 0 ? ' nocomment' : '';
+      $(this)
+        .append(
+          $(document.createElement('a')).attr({
+            href: '#',
+            'class': 'sphinx-comment-open' + addcls,
+            id: 'ao' + id
+          })
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+              alt: 'comment',
+              title: title
+            }))
+            .click(function(event) {
+              event.preventDefault();
+              show($(this).attr('id').substring(2));
+            })
+        )
+        .append(
+          $(document.createElement('a')).attr({
+            href: '#',
+            'class': 'sphinx-comment-close hidden',
+            id: 'ah' + id
+          })
+            .append($(document.createElement('img')).attr({
+              src: opts.closeCommentImage,
+              alt: 'close',
+              title: 'close'
+            }))
+            .click(function(event) {
+              event.preventDefault();
+              hide($(this).attr('id').substring(2));
+            })
+        );
+    });
+  };
+
+  var opts = {
+    processVoteURL: '/_process_vote',
+    addCommentURL: '/_add_comment',
+    getCommentsURL: '/_get_comments',
+    acceptCommentURL: '/_accept_comment',
+    deleteCommentURL: '/_delete_comment',
+    commentImage: '/static/_static/comment.png',
+    closeCommentImage: '/static/_static/comment-close.png',
+    loadingImage: '/static/_static/ajax-loader.gif',
+    commentBrightImage: '/static/_static/comment-bright.png',
+    upArrow: '/static/_static/up.png',
+    downArrow: '/static/_static/down.png',
+    upArrowPressed: '/static/_static/up-pressed.png',
+    downArrowPressed: '/static/_static/down-pressed.png',
+    voting: false,
+    moderator: false
+  };
+
+  if (typeof COMMENT_OPTIONS != "undefined") {
+    opts = jQuery.extend(opts, COMMENT_OPTIONS);
+  }
+
+  var popupTemplate = '\
+    <div class="sphinx-comments" id="sc<%id%>">\
+      <p class="sort-options">\
+        Sort by:\
+        <a href="#" class="sort-option byrating">best rated</a>\
+        <a href="#" class="sort-option byascage">newest</a>\
+        <a href="#" class="sort-option byage">oldest</a>\
+      </p>\
+      <div class="comment-header">Comments</div>\
+      <div class="comment-loading" id="cn<%id%>">\
+        loading comments... <img src="<%loadingImage%>" alt="" /></div>\
+      <ul id="cl<%id%>" class="comment-ul"></ul>\
+      <div id="ca<%id%>">\
+      <p class="add-a-comment">Add a comment\
+        (<a href="#" class="comment-markup" id="ab<%id%>">markup</a>):</p>\
+      <div class="comment-markup-box" id="mb<%id%>">\
+        reStructured text markup: <i>*emph*</i>, <b>**strong**</b>, \
+        <code>``code``</code>, \
+        code blocks: <code>::</code> and an indented block after blank line</div>\
+      <form method="post" id="cf<%id%>" class="comment-form" action="">\
+        <textarea name="comment" cols="80"></textarea>\
+        <p class="propose-button">\
+          <a href="#" id="pc<%id%>" class="show-propose-change">\
+            Propose a change &#9657;\
+          </a>\
+          <a href="#" id="hc<%id%>" class="hide-propose-change">\
+            Propose a change &#9663;\
+          </a>\
+        </p>\
+        <textarea name="proposal" id="pt<%id%>" cols="80"\
+                  spellcheck="false"></textarea>\
+        <input type="submit" value="Add comment" />\
+        <input type="hidden" name="node" value="<%id%>" />\
+        <input type="hidden" name="parent" value="" />\
+      </form>\
+      </div>\
+    </div>';
+
+  var commentTemplate = '\
+    <div id="cd<%id%>" class="sphinx-comment<%css_class%>">\
+      <div class="vote">\
+        <div class="arrow">\
+          <a href="#" id="uv<%id%>" class="vote" title="vote up">\
+            <img src="<%upArrow%>" />\
+          </a>\
+          <a href="#" id="uu<%id%>" class="un vote" title="vote up">\
+            <img src="<%upArrowPressed%>" />\
+          </a>\
+        </div>\
+        <div class="arrow">\
+          <a href="#" id="dv<%id%>" class="vote" title="vote down">\
+            <img src="<%downArrow%>" id="da<%id%>" />\
+          </a>\
+          <a href="#" id="du<%id%>" class="un vote" title="vote down">\
+            <img src="<%downArrowPressed%>" />\
+          </a>\
+        </div>\
+      </div>\
+      <div class="comment-content">\
+        <p class="tagline comment">\
+          <span class="user-id"><%username%></span>\
+          <span class="rating"><%pretty_rating%></span>\
+          <span class="delta"><%time.delta%></span>\
+        </p>\
+        <div class="comment-text comment"><#text#></div>\
+        <p class="comment-opts comment">\
+          <a href="#" class="reply hidden" id="rl<%id%>">reply &#9657;</a>\
+          <a href="#" class="close-reply" id="cr<%id%>">reply &#9663;</a>\
+          <a href="#" id="sp<%id%>" class="show-proposal">proposal &#9657;</a>\
+          <a href="#" id="hp<%id%>" class="hide-proposal">proposal &#9663;</a>\
+          <a href="#" id="dc<%id%>" class="delete-comment hidden">delete</a>\
+          <span id="cm<%id%>" class="moderation hidden">\
+            <a href="#" id="ac<%id%>" class="accept-comment">accept</a>\
+          </span>\
+        </p>\
+        <pre class="proposal" id="pr<%id%>">\
+<#proposal_diff#>\
+        </pre>\
+          <ul class="comment-children" id="cl<%id%>"></ul>\
+        </div>\
+        <div class="clearleft"></div>\
+      </div>\
+    </div>';
+
+  var replyTemplate = '\
+    <li>\
+      <div class="reply-div" id="rd<%id%>">\
+        <form id="rf<%id%>">\
+          <textarea name="comment" cols="80"></textarea>\
+          <input type="submit" value="Add reply" />\
+          <input type="button" value="Cancel" />\
+          <input type="hidden" name="parent" value="<%id%>" />\
+          <input type="hidden" name="node" value="" />\
+        </form>\
+      </div>\
+    </li>';
+
+  $(document).ready(function() {
+    init();
+  });
+})(jQuery);
+
+$(document).ready(function() {
+  // add comment anchors for all paragraphs that are commentable
+  $('.sphinx-has-comment').comment();
+
+  // highlight search words in search results
+  $("div.context").each(function() {
+    var params = $.getQueryParameters();
+    var terms = (params.q) ? params.q[0].split(/\s+/) : [];
+    var result = $(this);
+    $.each(terms, function() {
+      result.highlightText(this.toLowerCase(), 'highlighted');
+    });
+  });
+
+  // directly open comment window if requested
+  var anchor = document.location.hash;
+  if (anchor.substring(0, 9) == '#comment-') {
+    $('#ao' + anchor.substring(9)).click();
+    document.location.hash = '#s' + anchor.substring(9);
+  }
+});
diff --git a/week06/average-squares-example/docs/_build/html/content/average-squares-docs.html b/week06/average-squares-example/docs/_build/html/content/average-squares-docs.html
new file mode 100644
index 0000000..7be8903
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/content/average-squares-docs.html
@@ -0,0 +1,128 @@
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>Average Squares Documentation &#8212; average squares 0.1 documentation</title>
+    <link rel="stylesheet" href="../_static/classic.css" type="text/css" />
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+        URL_ROOT:    '../',
+        VERSION:     '0.1',
+        COLLAPSE_INDEX: false,
+        FILE_SUFFIX: '.html',
+        HAS_SOURCE:  true,
+        SOURCELINK_SUFFIX: '.txt'
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+          <div class="body" role="main">
+            
+  <div class="section" id="module-average_squares.squares">
+<span id="average-squares-documentation"></span><h1>Average Squares Documentation<a class="headerlink" href="#module-average_squares.squares" title="Permalink to this headline">¶</a></h1>
+<p>Computation of weighted average of squares.</p>
+<dl class="function">
+<dt id="average_squares.squares.average_of_squares">
+<code class="descclassname">average_squares.squares.</code><code class="descname">average_of_squares</code><span class="sig-paren">(</span><em>list_of_numbers</em>, <em>list_of_weights=None</em><span class="sig-paren">)</span><a class="headerlink" href="#average_squares.squares.average_of_squares" title="Permalink to this definition">¶</a></dt>
+<dd><p>Return the weighted average of a list of values.</p>
+<div class="math">
+\[\frac{\sum_{i=0}^{N-1} w_i x_{i}^2}{\sum_{i=0}^{N-1} w_i}\]</div>
+<p>By default, all values are equally weighted, but this can be changed
+by the list_of_weights argument.</p>
+<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">average_of_squares</span><span class="p">([</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">4</span><span class="p">])</span>
+<span class="go">7.0</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">average_of_squares</span><span class="p">([</span><span class="mi">2</span><span class="p">,</span> <span class="mi">4</span><span class="p">],</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mf">0.5</span><span class="p">])</span>
+<span class="go">8.0</span>
+<span class="gp">&gt;&gt;&gt; </span><span class="n">average_of_squares</span><span class="p">([</span><span class="mi">1</span><span class="p">,</span> <span class="mi">2</span><span class="p">,</span> <span class="mi">4</span><span class="p">],</span> <span class="p">[</span><span class="mi">1</span><span class="p">,</span> <span class="mf">0.5</span><span class="p">])</span>
+<span class="gt">Traceback (most recent call last):</span>
+<span class="gr">AssertionError</span>: <span class="n">weights and numbers must have same length</span>
+</pre></div>
+</div>
+</dd></dl>
+
+<dl class="function">
+<dt id="average_squares.squares.convert_numbers">
+<code class="descclassname">average_squares.squares.</code><code class="descname">convert_numbers</code><span class="sig-paren">(</span><em>list_of_strings</em><span class="sig-paren">)</span><a class="headerlink" href="#average_squares.squares.convert_numbers" title="Permalink to this definition">¶</a></dt>
+<dd><p>Convert a list of strings into numbers, ignoring whitespace.</p>
+<div class="highlight-default"><div class="highlight"><pre><span></span><span class="gp">&gt;&gt;&gt; </span><span class="n">convert_numbers</span><span class="p">([</span><span class="s2">&quot;4&quot;</span><span class="p">,</span> <span class="s2">&quot; 8 &quot;</span><span class="p">,</span> <span class="s2">&quot;15 16&quot;</span><span class="p">,</span> <span class="s2">&quot; 23    42 &quot;</span><span class="p">])</span>
+<span class="go">[4.0, 8.0, 15.0, 16.0, 23.0, 42.0]</span>
+</pre></div>
+</div>
+</dd></dl>
+
+</div>
+
+
+          </div>
+        </div>
+      </div>
+      <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
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diff --git a/week06/average-squares-example/docs/_build/html/genindex.html b/week06/average-squares-example/docs/_build/html/genindex.html
new file mode 100644
index 0000000..adf76ff
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/genindex.html
@@ -0,0 +1,114 @@
+
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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+        COLLAPSE_INDEX: false,
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+        HAS_SOURCE:  true,
+        SOURCELINK_SUFFIX: '.txt'
+      };
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+          <a href="py-modindex.html" title="Python Module Index"
+             >modules</a> |</li>
+        <li class="nav-item nav-item-0"><a href="index.html">average squares 0.1 documentation</a> &#187;</li> 
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+            
+
+<h1 id="index">Index</h1>
+
+<div class="genindex-jumpbox">
+ <a href="#A"><strong>A</strong></a>
+ | <a href="#C"><strong>C</strong></a>
+ 
+</div>
+<h2 id="A">A</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="content/average-squares-docs.html#average_squares.squares.average_of_squares">average_of_squares() (in module average_squares.squares)</a>
+</li>
+  </ul></td>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="content/average-squares-docs.html#module-average_squares.squares">average_squares.squares (module)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+<h2 id="C">C</h2>
+<table style="width: 100%" class="indextable genindextable"><tr>
+  <td style="width: 33%; vertical-align: top;"><ul>
+      <li><a href="content/average-squares-docs.html#average_squares.squares.convert_numbers">convert_numbers() (in module average_squares.squares)</a>
+</li>
+  </ul></td>
+</tr></table>
+
+
+
+          </div>
+        </div>
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diff --git a/week06/average-squares-example/docs/_build/html/index.html b/week06/average-squares-example/docs/_build/html/index.html
new file mode 100644
index 0000000..ebe72b0
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/index.html
@@ -0,0 +1,113 @@
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>Welcome to average squares’s documentation! &#8212; average squares 0.1 documentation</title>
+    <link rel="stylesheet" href="_static/classic.css" type="text/css" />
+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
+    <script type="text/javascript">
+      var DOCUMENTATION_OPTIONS = {
+        URL_ROOT:    './',
+        VERSION:     '0.1',
+        COLLAPSE_INDEX: false,
+        FILE_SUFFIX: '.html',
+        HAS_SOURCE:  true,
+        SOURCELINK_SUFFIX: '.txt'
+      };
+    </script>
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+    <link rel="index" title="Index" href="genindex.html" />
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+      <h3>Navigation</h3>
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+             accesskey="I">index</a></li>
+        <li class="right" >
+          <a href="py-modindex.html" title="Python Module Index"
+             >modules</a> |</li>
+        <li class="right" >
+          <a href="content/average-squares-docs.html" title="Average Squares Documentation"
+             accesskey="N">next</a> |</li>
+        <li class="nav-item nav-item-0"><a href="#">average squares 0.1 documentation</a> &#187;</li> 
+      </ul>
+    </div>  
+
+    <div class="document">
+      <div class="documentwrapper">
+        <div class="bodywrapper">
+          <div class="body" role="main">
+            
+  <div class="section" id="welcome-to-average-squares-s-documentation">
+<h1>Welcome to average squares’s documentation!<a class="headerlink" href="#welcome-to-average-squares-s-documentation" title="Permalink to this headline">¶</a></h1>
+<p>This pointless project helps you to calculate the weighted average of a list of numbers. Lovely.</p>
+<div class="toctree-wrapper compound">
+<p class="caption"><span class="caption-text">Contents:</span></p>
+<ul>
+<li class="toctree-l1"><a class="reference internal" href="content/average-squares-docs.html">Average Squares Documentation</a></li>
+</ul>
+</div>
+</div>
+<div class="section" id="indices-and-tables">
+<h1>Indices and tables<a class="headerlink" href="#indices-and-tables" title="Permalink to this headline">¶</a></h1>
+<ul class="simple">
+<li><a class="reference internal" href="genindex.html"><span class="std std-ref">Index</span></a></li>
+<li><a class="reference internal" href="py-modindex.html"><span class="std std-ref">Module Index</span></a></li>
+<li><a class="reference internal" href="search.html"><span class="std std-ref">Search Page</span></a></li>
+</ul>
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+
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+        <div class="sphinxsidebarwrapper">
+  <h4>Next topic</h4>
+  <p class="topless"><a href="content/average-squares-docs.html"
+                        title="next chapter">Average Squares Documentation</a></p>
+<div id="searchbox" style="display: none" role="search">
+  <h3>Quick search</h3>
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+             >modules</a> |</li>
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+             >next</a> |</li>
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+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.6.7.
+    </div>
+  </body>
+</html>
\ No newline at end of file
diff --git a/week06/average-squares-example/docs/_build/html/objects.inv b/week06/average-squares-example/docs/_build/html/objects.inv
new file mode 100644
index 0000000..cfc7349
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/objects.inv
@@ -0,0 +1,6 @@
+# Sphinx inventory version 2
+# Project: average squares
+# Version: 0.1
+# The remainder of this file is compressed using zlib.
+xڝ�=
+1���bD۬��	6�`a��d�����D��^ϓ�u����Xe���{F��;,�1�}�_�.�T�#���a(�˳�+'}�F������,ھۖ��m�2���)��i:)���l�����>�I*��@�))��?�9M�>l��`��L-6�j�%¼)�˖�;�5j�Bp�����z󠺑=�.�!���V �nN�E-���#��e�fkו
\ No newline at end of file
diff --git a/week06/average-squares-example/docs/_build/html/py-modindex.html b/week06/average-squares-example/docs/_build/html/py-modindex.html
new file mode 100644
index 0000000..8dcb4c5
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/py-modindex.html
@@ -0,0 +1,111 @@
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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+    <link rel="stylesheet" href="_static/classic.css" type="text/css" />
+    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
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+        SOURCELINK_SUFFIX: '.txt'
+      };
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+             >modules</a> |</li>
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+
+    <div class="document">
+      <div class="documentwrapper">
+        <div class="bodywrapper">
+          <div class="body" role="main">
+            
+
+   <h1>Python Module Index</h1>
+
+   <div class="modindex-jumpbox">
+   <a href="#cap-a"><strong>a</strong></a>
+   </div>
+
+   <table class="indextable modindextable">
+     <tr class="pcap"><td></td><td>&#160;</td><td></td></tr>
+     <tr class="cap" id="cap-a"><td></td><td>
+       <strong>a</strong></td><td></td></tr>
+     <tr>
+       <td><img src="_static/minus.png" class="toggler"
+              id="toggle-1" style="display: none" alt="-" /></td>
+       <td>
+       <code class="xref">average_squares</code></td><td>
+       <em></em></td></tr>
+     <tr class="cg-1">
+       <td></td>
+       <td>&#160;&#160;&#160;
+       <a href="content/average-squares-docs.html#module-average_squares.squares"><code class="xref">average_squares.squares</code></a></td><td>
+       <em></em></td></tr>
+   </table>
+
+
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\ No newline at end of file
diff --git a/week06/average-squares-example/docs/_build/html/search.html b/week06/average-squares-example/docs/_build/html/search.html
new file mode 100644
index 0000000..4e09daa
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/search.html
@@ -0,0 +1,105 @@
+
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+        </div>
+      </div>
+      <div class="sphinxsidebar" role="navigation" aria-label="main navigation">
+        <div class="sphinxsidebarwrapper">
+        </div>
+      </div>
+      <div class="clearer"></div>
+    </div>
+    <div class="related" role="navigation" aria-label="related navigation">
+      <h3>Navigation</h3>
+      <ul>
+        <li class="right" style="margin-right: 10px">
+          <a href="genindex.html" title="General Index"
+             >index</a></li>
+        <li class="right" >
+          <a href="py-modindex.html" title="Python Module Index"
+             >modules</a> |</li>
+        <li class="nav-item nav-item-0"><a href="index.html">average squares 0.1 documentation</a> &#187;</li> 
+      </ul>
+    </div>
+    <div class="footer" role="contentinfo">
+        &#169; Copyright 2020, kinianlo.
+      Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.6.7.
+    </div>
+  </body>
+</html>
\ No newline at end of file
diff --git a/week06/average-squares-example/docs/_build/html/searchindex.js b/week06/average-squares-example/docs/_build/html/searchindex.js
new file mode 100644
index 0000000..5463386
--- /dev/null
+++ b/week06/average-squares-example/docs/_build/html/searchindex.js
@@ -0,0 +1 @@
+Search.setIndex({docnames:["content/average-squares-docs","index"],envversion:53,filenames:["content/average-squares-docs.rst","index.rst"],objects:{"average_squares.squares":{average_of_squares:[0,1,1,""],convert_numbers:[0,1,1,""]},average_squares:{squares:[0,0,0,"-"]}},objnames:{"0":["py","module","Python module"],"1":["py","function","Python function"]},objtypes:{"0":"py:module","1":"py:function"},terms:{"byte":[],"case":[],"class":[],"default":0,"function":[],"long":[],"new":[],"return":0,"switch":[],"true":[],"try":[],"while":[],For:[],The:[],Use:[],abov:[],access:[],all:0,allow:[],alreadi:[],also:[],ani:[],append:[],appli:[],argument:0,assertionerror:0,avail:[],average_of_squar:0,average_squar:0,back:[],been:[],befor:[],being:[],between:[],binari:[],block:[],both:[],buffer:[],bufferedrandom:[],bufferedread:[],bufferedwrit:[],bytearrai:[],bytesio:[],calcul:1,call:0,callabl:[],caller:[],can:0,chang:0,charact:[],chosen:[],chunk:[],close:[],closefd:[],codec:[],common:[],comput:0,content:1,control:[],convert:0,convert_numb:0,creat:[],current:[],custom:[],data:[],decod:[],default_buffer_s:[],depend:[],deprec:[],describ:[],descriptor:[],determin:[],devic:[],directori:[],disk:[],distinguish:[],doc:[],doe:[],doesn:[],effect:[],either:[],enabl:[],encod:[],end:[],equal:0,error:[],etc:[],even:[],except:[],exist:[],failur:[],fall:[],fals:[],file:[],fileexistserror:[],first:[],fix:[],flag:[],follow:[],futur:[],get:[],getpreferredencod:[],give:[],given:[],handl:[],has:[],have:0,help:1,heurist:[],how:[],ignor:0,impli:[],index:1,indic:[],input:[],integ:[],interact:[],ioerror:[],isatti:[],isn:[],kept:[],last:0,lead:[],leav:[],legal:[],length:0,like:[],line:[],linesep:[],link:[],list:[0,1],list_of_numb:0,list_of_str:0,list_of_weight:0,local:[],loss:[],love:1,mani:[],mean:[],mode:[],modul:1,most:0,must:0,name:[],newlin:[],none:0,note:[],number:[0,1],object:[],obtain:[],off:[],onli:[],open:[],oper:[],option:[],other:[],output:[],page:1,pass:[],path:[],perform:[],permit:[],place:[],platform:[],pointless:1,polici:[],posit:[],possibl:[],project:1,python:[],rac:[],rais:[],random:[],raw:[],read:[],recent:0,regardless:[],regist:[],result:[],run:[],same:0,search:1,see:[],seek:[],select:[],separ:[],set:[],should:[],similar:[],size:[],some:[],specifi:[],standard:[],stream:[],strict:[],string:0,stringio:[],sum_:[],support:[],system:[],take:[],termin:[],text:[],textiowrapp:[],thi:[0,1],through:[],traceback:0,translat:[],truncat:[],type:[],typic:[],underli:[],univers:[],unix:[],unless:[],unspecifi:[],untransl:[],updat:[],upon:[],usabl:[],use:[],used:[],using:[],valu:0,valueerror:[],vari:[],version:[],w_i:[],weight:[0,1],when:[],which:[],whitespac:0,whose:[],without:[],work:[],wrap:[],write:[],written:[],you:1},titles:["Average Squares Documentation","Welcome to average squares\u2019s documentation!"],titleterms:{averag:[0,1],document:[0,1],indic:1,squar:[0,1],tabl:1,welcom:1}})
\ No newline at end of file
diff --git a/week06/average-squares-example/docs/conf.py b/week06/average-squares-example/docs/conf.py
new file mode 100644
index 0000000..be4ec43
--- /dev/null
+++ b/week06/average-squares-example/docs/conf.py
@@ -0,0 +1,169 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# average squares documentation build configuration file, created by
+# sphinx-quickstart on Thu Nov 19 17:07:01 2020.
+#
+# This file is execfile()d with the current directory set to its
+# containing dir.
+#
+# Note that not all possible configuration values are present in this
+# autogenerated file.
+#
+# All configuration values have a default; values that are commented out
+# serve to show the default.
+
+# If extensions (or modules to document with autodoc) are in another directory,
+# add these directories to sys.path here. If the directory is relative to the
+# documentation root, use os.path.abspath to make it absolute, like shown here.
+#
+import os
+import sys
+sys.path.insert(0, os.path.abspath('..'))
+
+
+# -- General configuration ------------------------------------------------
+
+# If your documentation needs a minimal Sphinx version, state it here.
+#
+# needs_sphinx = '1.0'
+
+# Add any Sphinx extension module names here, as strings. They can be
+# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
+# ones.
+extensions = ['sphinx.ext.mathjax', 'sphinx.ext.autodoc']
+
+# Add any paths that contain templates here, relative to this directory.
+templates_path = ['_templates']
+
+# The suffix(es) of source filenames.
+# You can specify multiple suffix as a list of string:
+#
+# source_suffix = ['.rst', '.md']
+source_suffix = '.rst'
+
+# The master toctree document.
+master_doc = 'index'
+
+# General information about the project.
+project = 'average squares'
+copyright = '2020, kinianlo'
+author = 'kinianlo'
+
+# The version info for the project you're documenting, acts as replacement for
+# |version| and |release|, also used in various other places throughout the
+# built documents.
+#
+# The short X.Y version.
+version = '0.1'
+# The full version, including alpha/beta/rc tags.
+release = '0.1'
+
+# The language for content autogenerated by Sphinx. Refer to documentation
+# for a list of supported languages.
+#
+# This is also used if you do content translation via gettext catalogs.
+# Usually you set "language" from the command line for these cases.
+language = None
+
+# List of patterns, relative to source directory, that match files and
+# directories to ignore when looking for source files.
+# This patterns also effect to html_static_path and html_extra_path
+exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
+
+# The name of the Pygments (syntax highlighting) style to use.
+pygments_style = 'sphinx'
+
+# If true, `todo` and `todoList` produce output, else they produce nothing.
+todo_include_todos = False
+
+
+# -- Options for HTML output ----------------------------------------------
+
+# The theme to use for HTML and HTML Help pages.  See the documentation for
+# a list of builtin themes.
+#
+html_theme = 'classic'
+
+# Theme options are theme-specific and customize the look and feel of a theme
+# further.  For a list of options available for each theme, see the
+# documentation.
+#
+# html_theme_options = {}
+
+# Add any paths that contain custom static files (such as style sheets) here,
+# relative to this directory. They are copied after the builtin static files,
+# so a file named "default.css" will overwrite the builtin "default.css".
+html_static_path = ['_static']
+
+# Custom sidebar templates, must be a dictionary that maps document names
+# to template names.
+#
+# This is required for the alabaster theme
+# refs: http://alabaster.readthedocs.io/en/latest/installation.html#sidebars
+html_sidebars = {
+    '**': [
+        'relations.html',  # needs 'show_related': True theme option to display
+        'searchbox.html',
+    ]
+}
+
+
+# -- Options for HTMLHelp output ------------------------------------------
+
+# Output file base name for HTML help builder.
+htmlhelp_basename = 'averagesquaresdoc'
+
+
+# -- Options for LaTeX output ---------------------------------------------
+
+latex_elements = {
+    # The paper size ('letterpaper' or 'a4paper').
+    #
+    # 'papersize': 'letterpaper',
+
+    # The font size ('10pt', '11pt' or '12pt').
+    #
+    # 'pointsize': '10pt',
+
+    # Additional stuff for the LaTeX preamble.
+    #
+    # 'preamble': '',
+
+    # Latex figure (float) alignment
+    #
+    # 'figure_align': 'htbp',
+}
+
+# Grouping the document tree into LaTeX files. List of tuples
+# (source start file, target name, title,
+#  author, documentclass [howto, manual, or own class]).
+latex_documents = [
+    (master_doc, 'averagesquares.tex', 'average squares Documentation',
+     'kinianlo', 'manual'),
+]
+
+
+# -- Options for manual page output ---------------------------------------
+
+# One entry per manual page. List of tuples
+# (source start file, name, description, authors, manual section).
+man_pages = [
+    (master_doc, 'averagesquares', 'average squares Documentation',
+     [author], 1)
+]
+
+
+# -- Options for Texinfo output -------------------------------------------
+
+# Grouping the document tree into Texinfo files. List of tuples
+# (source start file, target name, title, author,
+#  dir menu entry, description, category)
+texinfo_documents = [
+    (master_doc, 'averagesquares', 'average squares Documentation',
+     author, 'averagesquares', 'One line description of project.',
+     'Miscellaneous'),
+]
+
+
+
diff --git a/week06/average-squares-example/docs/content/average-squares-docs.rst b/week06/average-squares-example/docs/content/average-squares-docs.rst
new file mode 100644
index 0000000..dfda218
--- /dev/null
+++ b/week06/average-squares-example/docs/content/average-squares-docs.rst
@@ -0,0 +1,5 @@
+Average Squares Documentation
+=============================
+
+.. automodule:: average_squares.squares
+    :members:
\ No newline at end of file
diff --git a/week06/average-squares-example/docs/index.rst b/week06/average-squares-example/docs/index.rst
new file mode 100644
index 0000000..006d4b4
--- /dev/null
+++ b/week06/average-squares-example/docs/index.rst
@@ -0,0 +1,23 @@
+.. average squares documentation master file, created by
+   sphinx-quickstart on Thu Nov 19 17:07:01 2020.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+Welcome to average squares's documentation!
+===========================================
+This pointless project helps you to calculate the weighted average of a list of numbers. Lovely.
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+   content/average-squares-docs
+
+
+
+Indices and tables
+==================
+
+* :ref:`genindex`
+* :ref:`modindex`
+* :ref:`search`
diff --git a/week06/average-squares-example/docs/make.bat b/week06/average-squares-example/docs/make.bat
new file mode 100644
index 0000000..fb82636
--- /dev/null
+++ b/week06/average-squares-example/docs/make.bat
@@ -0,0 +1,36 @@
+@ECHO OFF
+
+pushd %~dp0
+
+REM Command file for Sphinx documentation
+
+if "%SPHINXBUILD%" == "" (
+	set SPHINXBUILD=sphinx-build
+)
+set SOURCEDIR=.
+set BUILDDIR=_build
+set SPHINXPROJ=averagesquares
+
+if "%1" == "" goto help
+
+%SPHINXBUILD% >NUL 2>NUL
+if errorlevel 9009 (
+	echo.
+	echo.The 'sphinx-build' command was not found. Make sure you have Sphinx
+	echo.installed, then set the SPHINXBUILD environment variable to point
+	echo.to the full path of the 'sphinx-build' executable. Alternatively you
+	echo.may add the Sphinx directory to PATH.
+	echo.
+	echo.If you don't have Sphinx installed, grab it from
+	echo.http://sphinx-doc.org/
+	exit /b 1
+)
+
+%SPHINXBUILD% -M %1 %SOURCEDIR% %BUILDDIR% %SPHINXOPTS%
+goto end
+
+:help
+%SPHINXBUILD% -M help %SOURCEDIR% %BUILDDIR% %SPHINXOPTS%
+
+:end
+popd