diff --git a/renv.lock b/renv.lock
index e51f48f..e96c68e 100644
--- a/renv.lock
+++ b/renv.lock
@@ -1,6 +1,6 @@
 {
   "R": {
-    "Version": "4.0.2",
+    "Version": "4.2.1",
     "Repositories": [
       {
         "Name": "CRAN",
@@ -11,29 +11,27 @@
   "Packages": {
     "DBI": {
       "Package": "DBI",
-      "Version": "1.1.2",
+      "Version": "1.1.3",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "dcd1743af4336156873e3ce3c950b8b9",
+      "Hash": "b2866e62bab9378c3cc9476a1954226b",
       "Requirements": []
     },
     "MASS": {
       "Package": "MASS",
-      "Version": "7.3-56",
+      "Version": "7.3-58.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "af0e1955cb80bb36b7988cc657db261e",
+      "Hash": "762e1804143a332333c054759f89a706",
       "Requirements": []
     },
     "Matrix": {
       "Package": "Matrix",
-      "Version": "1.4-1",
+      "Version": "1.5-1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "699c47c606293bdfbc9fd78a93c9c8fe",
-      "Requirements": [
-        "lattice"
-      ]
+      "Hash": "539dc0c0c05636812f1080f473d2c177",
+      "Requirements": []
     },
     "R6": {
       "Package": "R6",
@@ -53,18 +51,18 @@
     },
     "Rcpp": {
       "Package": "Rcpp",
-      "Version": "1.0.8.3",
+      "Version": "1.0.9",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "32e79b908fda56ee57fe518a8d37b864",
+      "Hash": "e9c08b94391e9f3f97355841229124f2",
       "Requirements": []
     },
     "RcppArmadillo": {
       "Package": "RcppArmadillo",
-      "Version": "0.10.8.1.0",
+      "Version": "0.11.2.4.0",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "303dcd8a3fca86087e341ed5cc360abf",
+      "Hash": "796805fe55a25e42b5e0aeefacc041dc",
       "Requirements": [
         "Rcpp"
       ]
@@ -175,10 +173,10 @@
     },
     "broom": {
       "Package": "broom",
-      "Version": "0.7.12",
+      "Version": "1.0.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "bfa8a039d77ae8d5413254e572c8abea",
+      "Hash": "c90ff735b7812b60f067a3f7a3b4de63",
       "Requirements": [
         "backports",
         "dplyr",
@@ -240,10 +238,10 @@
     },
     "callr": {
       "Package": "callr",
-      "Version": "3.7.0",
+      "Version": "3.7.2",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "461aa75a11ce2400245190ef5d3995df",
+      "Hash": "358689cac9fe93b1bb3a19088d2dbed8",
       "Requirements": [
         "R6",
         "processx"
@@ -251,13 +249,11 @@
     },
     "cli": {
       "Package": "cli",
-      "Version": "3.2.0",
+      "Version": "3.4.0",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "1bdb126893e9ce6aae50ad1d6fc32faf",
-      "Requirements": [
-        "glue"
-      ]
+      "Hash": "78003c09d258968a4d28107e779edb10",
+      "Requirements": []
     },
     "clipr": {
       "Package": "clipr",
@@ -342,7 +338,6 @@
         "ellipse",
         "ggplot2",
         "ggrepel",
-        "mgcv",
         "reshape2",
         "scales",
         "stringr",
@@ -364,29 +359,30 @@
     },
     "devtools": {
       "Package": "devtools",
-      "Version": "2.4.3",
+      "Version": "2.4.4",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "fc35e13bb582e5fe6f63f3d647a4cbe5",
+      "Hash": "d6ad91ae6533b84d227bb0b5262c111f",
       "Requirements": [
-        "callr",
         "cli",
         "desc",
         "ellipsis",
         "fs",
-        "httr",
         "lifecycle",
         "memoise",
+        "miniUI",
         "pkgbuild",
+        "pkgdown",
         "pkgload",
+        "profvis",
         "rcmdcheck",
         "remotes",
         "rlang",
         "roxygen2",
-        "rstudioapi",
         "rversions",
         "sessioninfo",
         "testthat",
+        "urlchecker",
         "usethis",
         "withr"
       ]
@@ -409,12 +405,31 @@
       "Hash": "cf6b206a045a684728c3267ef7596190",
       "Requirements": []
     },
+    "downlit": {
+      "Package": "downlit",
+      "Version": "0.4.2",
+      "Source": "Repository",
+      "Repository": "CRAN",
+      "Hash": "79bf3f66590752ffbba20f8d2da94c7c",
+      "Requirements": [
+        "brio",
+        "desc",
+        "digest",
+        "evaluate",
+        "fansi",
+        "memoise",
+        "rlang",
+        "vctrs",
+        "withr",
+        "yaml"
+      ]
+    },
     "dplyr": {
       "Package": "dplyr",
-      "Version": "1.0.8",
+      "Version": "1.0.10",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "ef47665e64228a17609d6df877bf86f2",
+      "Hash": "539412282059f7f0c07295723d23f987",
       "Requirements": [
         "R6",
         "generics",
@@ -430,10 +445,10 @@
     },
     "ellipse": {
       "Package": "ellipse",
-      "Version": "0.4.2",
+      "Version": "0.4.3",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "bfa61f1a00c0d30b86bf13d35748e24c",
+      "Hash": "feedb4386d9c3c157989ca7af419c892",
       "Requirements": []
     },
     "ellipsis": {
@@ -464,10 +479,10 @@
     },
     "farver": {
       "Package": "farver",
-      "Version": "2.1.0",
+      "Version": "2.1.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "c98eb5133d9cb9e1622b8691487f11bb",
+      "Hash": "8106d78941f34855c440ddb946b8f7a5",
       "Requirements": []
     },
     "fastmap": {
@@ -520,10 +535,10 @@
     },
     "gert": {
       "Package": "gert",
-      "Version": "1.6.0",
+      "Version": "1.9.0",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "98c014c4c933f23ea5a0321a4d0b588b",
+      "Hash": "56dc795889978f759ea0b0de06dcd5b4",
       "Requirements": [
         "askpass",
         "credentials",
@@ -545,7 +560,6 @@
         "glue",
         "gtable",
         "isoband",
-        "mgcv",
         "rlang",
         "scales",
         "tibble",
@@ -673,10 +687,10 @@
     },
     "hms": {
       "Package": "hms",
-      "Version": "1.1.1",
+      "Version": "1.1.2",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "5b8a2dd0fdbe2ab4f6081e6c7be6dfca",
+      "Hash": "41100392191e1244b887878b533eea91",
       "Requirements": [
         "ellipsis",
         "lifecycle",
@@ -687,10 +701,10 @@
     },
     "htmltools": {
       "Package": "htmltools",
-      "Version": "0.5.2",
+      "Version": "0.5.3",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "526c484233f42522278ab06fb185cb26",
+      "Hash": "6496090a9e00f8354b811d1a2d47b566",
       "Requirements": [
         "base64enc",
         "digest",
@@ -712,10 +726,10 @@
     },
     "httpuv": {
       "Package": "httpuv",
-      "Version": "1.6.5",
+      "Version": "1.6.6",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "97fe71f0a4a1c9890e6c2128afa04bc0",
+      "Hash": "fd090e236ae2dc0f0cdf33a9ec83afb6",
       "Requirements": [
         "R6",
         "Rcpp",
@@ -804,20 +818,12 @@
         "rlang"
       ]
     },
-    "lattice": {
-      "Package": "lattice",
-      "Version": "0.20-45",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Hash": "b64cdbb2b340437c4ee047a1f4c4377b",
-      "Requirements": []
-    },
     "lifecycle": {
       "Package": "lifecycle",
-      "Version": "1.0.1",
+      "Version": "1.0.2",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "a6b6d352e3ed897373ab19d8395c98d0",
+      "Hash": "25f74670fa7d3277fe3ad8c1712a699f",
       "Requirements": [
         "glue",
         "rlang"
@@ -853,17 +859,6 @@
         "rlang"
       ]
     },
-    "mgcv": {
-      "Package": "mgcv",
-      "Version": "1.8-40",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Hash": "c6b2fdb18cf68ab613bd564363e1ba0d",
-      "Requirements": [
-        "Matrix",
-        "nlme"
-      ]
-    },
     "mice": {
       "Package": "mice",
       "Version": "3.14.0",
@@ -876,7 +871,6 @@
         "cpp11",
         "dplyr",
         "generics",
-        "lattice",
         "rlang",
         "tidyr",
         "withr"
@@ -884,10 +878,10 @@
     },
     "miceadds": {
       "Package": "miceadds",
-      "Version": "3.11-6",
+      "Version": "3.14-3",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "b7768955403cc231f24955fc30dde4c4",
+      "Hash": "c823dad6b58ef2e70486de9c8234e4fa",
       "Requirements": [
         "Rcpp",
         "RcppArmadillo",
@@ -903,6 +897,17 @@
       "Hash": "18e9c28c1d3ca1560ce30658b22ce104",
       "Requirements": []
     },
+    "miniUI": {
+      "Package": "miniUI",
+      "Version": "0.1.1.1",
+      "Source": "Repository",
+      "Repository": "CRAN",
+      "Hash": "fec5f52652d60615fdb3957b3d74324a",
+      "Requirements": [
+        "htmltools",
+        "shiny"
+      ]
+    },
     "mitools": {
       "Package": "mitools",
       "Version": "2.4",
@@ -925,30 +930,28 @@
     },
     "nlme": {
       "Package": "nlme",
-      "Version": "3.1-157",
+      "Version": "3.1-159",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "dbca60742be0c9eddc5205e5c7ca1f44",
-      "Requirements": [
-        "lattice"
-      ]
+      "Hash": "4a0b3a68f846cb999ff0e8e519524fbb",
+      "Requirements": []
     },
     "openssl": {
       "Package": "openssl",
-      "Version": "2.0.0",
+      "Version": "2.0.3",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "cf4329aac12c2c44089974559c18e446",
+      "Hash": "b9621e75c0652041002a19609fb23c5a",
       "Requirements": [
         "askpass"
       ]
     },
     "packrat": {
       "Package": "packrat",
-      "Version": "0.7.0",
+      "Version": "0.8.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "95e8c3825efcaad09411799da92c0af9",
+      "Hash": "d84055adcb6bb1f4f0ce8c5f235bc328",
       "Requirements": []
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     "parsedate": {
@@ -1000,28 +1003,58 @@
       "Hash": "01f28d4278f15c76cddbea05899c5d6f",
       "Requirements": []
     },
+    "pkgdown": {
+      "Package": "pkgdown",
+      "Version": "2.0.6",
+      "Source": "Repository",
+      "Repository": "CRAN",
+      "Hash": "f958d0b2a5dabc5ffd414f062b1ffbe7",
+      "Requirements": [
+        "bslib",
+        "callr",
+        "cli",
+        "desc",
+        "digest",
+        "downlit",
+        "fs",
+        "httr",
+        "jsonlite",
+        "magrittr",
+        "memoise",
+        "purrr",
+        "ragg",
+        "rlang",
+        "rmarkdown",
+        "tibble",
+        "whisker",
+        "withr",
+        "xml2",
+        "yaml"
+      ]
+    },
     "pkgload": {
       "Package": "pkgload",
-      "Version": "1.2.4",
+      "Version": "1.3.0",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "7533cd805940821bf23eaf3c8d4c1735",
+      "Hash": "4b20f937a363c78a5730265c1925f54a",
       "Requirements": [
         "cli",
         "crayon",
         "desc",
+        "fs",
+        "glue",
         "rlang",
         "rprojroot",
-        "rstudioapi",
         "withr"
       ]
     },
     "plyr": {
       "Package": "plyr",
-      "Version": "1.8.6",
+      "Version": "1.8.7",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "ec0e5ab4e5f851f6ef32cd1d1984957f",
+      "Hash": "9c17c6ee41639ebdc1d7266546d3b627",
       "Requirements": [
         "Rcpp"
       ]
@@ -1044,15 +1077,26 @@
     },
     "processx": {
       "Package": "processx",
-      "Version": "3.5.3",
+      "Version": "3.7.0",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "8bbae1a548d0d3fdf6647bdd9d35bf6d",
+      "Hash": "f91df0f5f31ffdf88bc0b624f5ebab0f",
       "Requirements": [
         "R6",
         "ps"
       ]
     },
+    "profvis": {
+      "Package": "profvis",
+      "Version": "0.3.7",
+      "Source": "Repository",
+      "Repository": "CRAN",
+      "Hash": "e9d21e79848e02e524bea6f5bd53e7e4",
+      "Requirements": [
+        "htmlwidgets",
+        "stringr"
+      ]
+    },
     "progress": {
       "Package": "progress",
       "Version": "1.2.2",
@@ -1082,10 +1126,10 @@
     },
     "ps": {
       "Package": "ps",
-      "Version": "1.6.0",
+      "Version": "1.7.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "32620e2001c1dce1af49c49dccbb9420",
+      "Hash": "8b93531308c01ad0e56d9eadcc0c4fcd",
       "Requirements": []
     },
     "purrr": {
@@ -1099,6 +1143,17 @@
         "rlang"
       ]
     },
+    "ragg": {
+      "Package": "ragg",
+      "Version": "1.2.2",
+      "Source": "Repository",
+      "Repository": "CRAN",
+      "Hash": "14932bb6f2739c771ca4ceaba6b4248e",
+      "Requirements": [
+        "systemfonts",
+        "textshaping"
+      ]
+    },
     "rappdirs": {
       "Package": "rappdirs",
       "Version": "0.3.3",
@@ -1176,10 +1231,10 @@
     },
     "renv": {
       "Package": "renv",
-      "Version": "0.15.4",
+      "Version": "0.15.5",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "c1078316e1d4f70275fc1ea60c0bc431",
+      "Hash": "6a38294e7d12f5d8e656b08c5bd8ae34",
       "Requirements": []
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     "reshape2": {
@@ -1225,10 +1280,10 @@
     },
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       "Package": "rlang",
-      "Version": "1.0.2",
+      "Version": "1.0.5",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "04884d9a75d778aca22c7154b8333ec9",
+      "Hash": "971c3d698fc06dabdac6bc4bcda72dc4",
       "Requirements": []
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     "rmarkdown": {
@@ -1252,13 +1307,14 @@
     },
     "roxygen2": {
       "Package": "roxygen2",
-      "Version": "7.1.2",
+      "Version": "7.2.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "eb9849556c4250305106e82edae35b72",
+      "Hash": "da1f278262e563c835345872f2fef537",
       "Requirements": [
         "R6",
         "brew",
+        "cli",
         "commonmark",
         "cpp11",
         "desc",
@@ -1269,6 +1325,7 @@
         "rlang",
         "stringi",
         "stringr",
+        "withr",
         "xml2"
       ]
     },
@@ -1282,10 +1339,10 @@
     },
     "rsconnect": {
       "Package": "rsconnect",
-      "Version": "0.8.25",
+      "Version": "0.8.27",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "c78e0acc405a6990475f1f9500ebe66c",
+      "Hash": "114103fbb50af041e93921ee67db8fa0",
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         "digest",
@@ -1304,26 +1361,12 @@
       "Hash": "690bd2acc42a9166ce34845884459320",
       "Requirements": []
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-    "rticles": {
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-      "Version": "0.23",
-      "Source": "Repository",
-      "Repository": "CRAN",
-      "Hash": "4cab3463b39137d4dd113b751cb2805d",
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-        "knitr",
-        "rmarkdown",
-        "tinytex",
-        "xfun",
-        "yaml"
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-    },
     "rversions": {
       "Package": "rversions",
-      "Version": "2.1.1",
+      "Version": "2.1.2",
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-      "Hash": "f88fab00907b312f8b23ec13e2d437cb",
+      "Hash": "a9881dfed103e83f9de151dc17002cd1",
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@@ -1331,10 +1374,10 @@
     },
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-      "Version": "0.4.1",
+      "Version": "0.4.2",
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-      "Hash": "f37c0028d720bab3c513fd65d28c7234",
+      "Hash": "1b191143d7d3444d504277843f3a95fe",
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@@ -1414,10 +1457,10 @@
     },
     "shinybusy": {
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-      "Version": "0.3.0",
+      "Version": "0.3.1",
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-      "Hash": "f64f08367358906d34a0ff490838d71c",
+      "Hash": "cf0b9330f677599316a4b36682081e8b",
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@@ -1447,10 +1490,10 @@
     },
     "stringi": {
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-      "Version": "1.7.6",
+      "Version": "1.7.8",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "bba431031d30789535745a9627ac9271",
+      "Hash": "a68b980681bcbc84c7a67003fa796bfb",
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     "stringr": {
@@ -1473,12 +1516,22 @@
       "Hash": "b227d13e29222b4574486cfcbde077fa",
       "Requirements": []
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+    "systemfonts": {
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+      "Version": "1.0.4",
+      "Source": "Repository",
+      "Repository": "CRAN",
+      "Hash": "90b28393209827327de889f49935140a",
+      "Requirements": [
+        "cpp11"
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     "testthat": {
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-      "Version": "3.1.2",
+      "Version": "3.1.4",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "32454e5780e8dbe31e4b61b13d8918fe",
+      "Hash": "f76c2a02d0fdc24aa7a47ea34261a6e3",
       "Requirements": [
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@@ -1501,14 +1554,24 @@
         "withr"
       ]
     },
+    "textshaping": {
+      "Package": "textshaping",
+      "Version": "0.3.6",
+      "Source": "Repository",
+      "Repository": "CRAN",
+      "Hash": "1ab6223d3670fac7143202cb6a2d43d5",
+      "Requirements": [
+        "cpp11",
+        "systemfonts"
+      ]
+    },
     "tibble": {
       "Package": "tibble",
-      "Version": "3.1.6",
+      "Version": "3.1.8",
       "Source": "Repository",
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-      "Hash": "8a8f02d1934dfd6431c671361510dd0b",
+      "Hash": "56b6934ef0f8c68225949a8672fe1a8f",
       "Requirements": [
-        "ellipsis",
         "fansi",
         "lifecycle",
         "magrittr",
@@ -1520,10 +1583,10 @@
     },
     "tidyr": {
       "Package": "tidyr",
-      "Version": "1.2.0",
+      "Version": "1.2.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "d8b95b7fee945d7da6888cf7eb71a49c",
+      "Hash": "cdb403db0de33ccd1b6f53b83736efa8",
       "Requirements": [
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         "dplyr",
@@ -1593,14 +1656,26 @@
     },
     "tzdb": {
       "Package": "tzdb",
-      "Version": "0.2.0",
+      "Version": "0.3.0",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "5e069fb033daf2317bd628d3100b75c5",
+      "Hash": "b2e1cbce7c903eaf23ec05c58e59fb5e",
       "Requirements": [
         "cpp11"
       ]
     },
+    "urlchecker": {
+      "Package": "urlchecker",
+      "Version": "1.0.1",
+      "Source": "Repository",
+      "Repository": "CRAN",
+      "Hash": "409328b8e1253c8d729a7836fe7f7a16",
+      "Requirements": [
+        "cli",
+        "curl",
+        "xml2"
+      ]
+    },
     "usethis": {
       "Package": "usethis",
       "Version": "2.1.6",
@@ -1702,10 +1777,10 @@
     },
     "waldo": {
       "Package": "waldo",
-      "Version": "0.3.1",
+      "Version": "0.4.0",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "ad8cfff5694ac5b3c354f8f2044bd976",
+      "Hash": "035fba89d0c86e2113120f93301b98ad",
       "Requirements": [
         "cli",
         "diffobj",
@@ -1745,10 +1820,10 @@
     },
     "xfun": {
       "Package": "xfun",
-      "Version": "0.30",
+      "Version": "0.33",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "e83f48136b041845e50a6658feffb197",
+      "Hash": "1a666f915cd65072f4ccf5b2888d5d39",
       "Requirements": []
     },
     "xml2": {
@@ -1787,10 +1862,10 @@
     },
     "zip": {
       "Package": "zip",
-      "Version": "2.2.0",
+      "Version": "2.2.1",
       "Source": "Repository",
       "Repository": "CRAN",
-      "Hash": "c7eef2996ac270a18c2715c997a727c5",
+      "Hash": "a7e91189fa51d9029a30eba3831ce53f",
       "Requirements": []
     }
   }
diff --git a/renv/activate.R b/renv/activate.R
index e961251..72c0818 100644
--- a/renv/activate.R
+++ b/renv/activate.R
@@ -2,7 +2,7 @@
 local({
 
   # the requested version of renv
-  version <- "0.15.4"
+  version <- "0.15.5"
 
   # the project directory
   project <- getwd()
@@ -54,7 +54,7 @@ local({
   # mask 'utils' packages, will come first on the search path
   library(utils, lib.loc = .Library)
 
-  # unload renv if it's already been laoded
+  # unload renv if it's already been loaded
   if ("renv" %in% loadedNamespaces())
     unloadNamespace("renv")
 
@@ -314,9 +314,18 @@ local({
     }
   
     # bail if it doesn't exist
-    if (!file.exists(tarball))
+    if (!file.exists(tarball)) {
+  
+      # let the user know we weren't able to honour their request
+      fmt <- "* RENV_BOOTSTRAP_TARBALL is set (%s) but does not exist."
+      msg <- sprintf(fmt, tarball)
+      warning(msg)
+  
+      # bail
       return()
   
+    }
+  
     fmt <- "* Bootstrapping with tarball at path '%s'."
     msg <- sprintf(fmt, tarball)
     message(msg)
@@ -800,7 +809,7 @@ local({
   
     # find strings in the JSON
     pattern <- '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
-    locs <- gregexpr(pattern, text)[[1]]
+    locs <- gregexpr(pattern, text, perl = TRUE)[[1]]
   
     # if any are found, replace them with placeholders
     replaced <- text