v0.4.0

Added support for passing Tdew instead of Ea

Fixed test issues and switched organization to "WSWUP"

Fixed broken ASCE 2005 DOI URL

The DOI link on the ascelibrary.org page is broken.

Setting fcd to 1 when Rso is zero

Fixed error when Rso is zero (for high latitudes and/or winter DOY)

Fcd will be set to 1 when Rso is 0.  This mimics the approach that is in the hourly calculation.

Fixed bug in omega sunset calculation for high latitudes

Fixed error when Rso is zero (for high latitudes and/or winter DOY)

Fcd will be set to 1 when Rso is 0.  This mimics the approach that is in the hourly calculation.

Removed Python 3.7 from tests

Removed Python 3.7 from tests since Travis-CI doesn't currently support it.

New release for initial conda-forge recipe

Generating new release that can be used to build an initial conda-forge recipe. Simplified the testing by removing testing various NumPy versions and added Python 3.7.

Added generic .etsz() method that takes a "surface" parameter

Fixed issue with daily ea values in tests

The Ea values were computed from q for each method (refet and asce).

Added additional unit conversion options

Adding basic ea pressure conversions

Only Pa to kPa for now.

Moved repository to DRI-WSWUP organization

Switching to DRI-WSUP organization

Bumping version number.
Updatig README to show how to use the input_units parameter.

Bug fix for installing in Python 2

v0.3.2

Open encoding parameter wasn't working in python 2