diff --git a/Pipfile.lock b/Pipfile.lock
index 2357419..43b4791 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,11 +18,11 @@
     "default": {
         "importlib-metadata": {
             "hashes": [
-                "sha256:073a852570f92da5f744a3472af1b61e28e9f78ccf0c9117658dc32b15de7b45",
-                "sha256:d95141fbfa7ef2ec65cfd945e2af7e5a6ddbd7c8d9a25e66ff3be8e3daf9f60f"
+                "sha256:1208431ca90a8cca1a6b8af391bb53c1a2db74e5d1cef6ddced95d4b2062edc6",
+                "sha256:ea4c597ebf37142f827b8f39299579e31685c31d3a438b59f469406afd0f2539"
             ],
             "markers": "python_version < '3.8'",
-            "version": "==1.3.0"
+            "version": "==4.11.3"
         },
         "inflect": {
             "hashes": [
@@ -32,13 +32,6 @@
             "index": "pypi",
             "version": "==4.0.0"
         },
-        "more-itertools": {
-            "hashes": [
-                "sha256:b84b238cce0d9adad5ed87e745778d20a3f8487d0f0cb8b8a586816c7496458d",
-                "sha256:c833ef592a0324bcc6a60e48440da07645063c453880c9477ceb22490aec1564"
-            ],
-            "version": "==8.0.2"
-        },
         "pillow": {
             "hashes": [
                 "sha256:047d9473cf68af50ac85f8ee5d5f21a60f849bc17d348da7fc85711287a75031",
@@ -84,17 +77,19 @@
         },
         "pyparsing": {
             "hashes": [
-                "sha256:4c830582a84fb022400b85429791bc551f1f4871c33f23e44f353119e92f969f",
-                "sha256:c342dccb5250c08d45fd6f8b4a559613ca603b57498511740e65cd11a2e7dcec"
+                "sha256:7bf433498c016c4314268d95df76c81b842a4cb2b276fa3312cfb1e1d85f6954",
+                "sha256:ef7b523f6356f763771559412c0d7134753f037822dad1b16945b7b846f7ad06"
             ],
-            "version": "==2.4.6"
+            "markers": "python_full_version >= '3.6.8'",
+            "version": "==3.0.8"
         },
         "pypdf2": {
             "hashes": [
-                "sha256:e28f902f2f0a1603ea95ebe21dff311ef09be3d0f0ef29a3e44a932729564385"
+                "sha256:7c18c1d48e56547b1c33f772dc15d6adbd1f4020b62e64bb4a0bc0ee2ab94511",
+                "sha256:9c81fc06be50fbf2e6199e8c2eac05f3eaafae4b3905ecca41200f5b02ac43d7"
             ],
             "index": "pypi",
-            "version": "==1.26.0"
+            "version": "==1.27.5"
         },
         "pyrect": {
             "hashes": [
@@ -158,6 +153,7 @@
                 "sha256:a88267c7cc17501effc6b1b36d85e7ab28173af939b975ea42716ed12493b478",
                 "sha256:ab3ba84784c9641a11a21a8c64d494fa8b57be25e081e77f76747d543699f03c"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '3.9'",
             "version": "==5.14.0"
         },
         "svgwrite": {
@@ -168,12 +164,21 @@
             "index": "pypi",
             "version": "==1.3.1"
         },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:6657594ee297170d19f67d55c05852a874e7eb634f4f753dbd667855e07c1708",
+                "sha256:f1c24655a0da0d1b67f07e17a5e6b2a105894e6824b92096378bb3668ef02376"
+            ],
+            "markers": "python_version < '3.8'",
+            "version": "==4.2.0"
+        },
         "zipp": {
             "hashes": [
-                "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e",
-                "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"
+                "sha256:56bf8aadb83c24db6c4b577e13de374ccfb67da2078beba1d037c17980bf43ad",
+                "sha256:c4f6e5bbf48e74f7a38e7cc5b0480ff42b0ae5178957d564d18932525d5cf099"
             ],
-            "version": "==0.6.0"
+            "markers": "python_version >= '3.7'",
+            "version": "==3.8.0"
         }
     },
     "develop": {
@@ -189,6 +194,7 @@
                 "sha256:589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19",
                 "sha256:c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451"
             ],
+            "markers": "python_version >= '2.7'",
             "version": "==0.3"
         },
         "flake8": {
@@ -211,6 +217,7 @@
                 "sha256:95a2219d12372f05704562a14ec30bc76b05a5b297b21a5dfe3f6fac3491ae56",
                 "sha256:e40a936c9a450ad81df37f549d676d127b1b66000a6c500caa2b085bc0ca976c"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.5.0"
         },
         "pyflakes": {
@@ -218,6 +225,7 @@
                 "sha256:17dbeb2e3f4d772725c777fabc446d5634d1038f234e77343108ce445ea69ce0",
                 "sha256:d976835886f8c5b31d47970ed689944a0262b5f3afa00a5a7b4dc81e5449f8a2"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.1.1"
         },
         "rope": {