diff --git a/Pipfile.lock b/Pipfile.lock
index cc63d96..2011714 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -25,11 +25,11 @@
         },
         "charset-normalizer": {
             "hashes": [
-                "sha256:1eecaa09422db5be9e29d7fc65664e6c33bd06f9ced7838578ba40d58bdf3721",
-                "sha256:b0b883e8e874edfdece9c28f314e3dd5badf067342e42fb162203335ae61aa2c"
+                "sha256:876d180e9d7432c5d1dfd4c5d26b72f099d503e8fcc0feb7532c9289be60fcbd",
+                "sha256:cb957888737fc0bbcd78e3df769addb41fd1ff8cf950dc9e7ad7793f1bf44455"
             ],
             "markers": "python_version >= '3'",
-            "version": "==2.0.9"
+            "version": "==2.0.10"
         },
         "htmlement": {
             "hashes": [
@@ -56,11 +56,11 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:4987c65554f7a2dbf30c18fd48778ef124af6fab771a377103da0585e2336ece",
-                "sha256:c4fdf4019605b6e5423637e01bc9fe4daef873709a7973e195ceba0a62bbc844"
+                "sha256:000ca7f471a233c2251c6c7023ee85305721bfdf18621ebff4fd17a8653427ed",
+                "sha256:0e7c33d9a63e7ddfcb86780aac87befc2fbddf46c58dbb487e0855f7ceec283c"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==1.26.7"
+            "version": "==1.26.8"
         }
     },
     "develop": {
@@ -73,11 +73,11 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
-                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
+                "sha256:2d27e3784d7a565d36ab851fe94887c5eccd6a463168875832a1be79c82828b4",
+                "sha256:626ba8234211db98e869df76230a137c4c40a12d72445c45d5f5b716f076e2fd"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==21.2.0"
+            "version": "==21.4.0"
         },
         "babel": {
             "hashes": [
@@ -87,14 +87,6 @@
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.9.1"
         },
-        "backports.entry-points-selectable": {
-            "hashes": [
-                "sha256:7fceed9532a7aa2bd888654a7314f864a3c16a4e710b34a58cfc0f08114c663b",
-                "sha256:914b21a479fde881635f7af5adc7f6e38d6b274be32269070c53b698c60d5386"
-            ],
-            "markers": "python_version >= '2.7'",
-            "version": "==1.1.1"
-        },
         "certifi": {
             "hashes": [
                 "sha256:78884e7c1d4b00ce3cea67b44566851c4343c120abd683433ce934a68ea58872",
@@ -104,11 +96,11 @@
         },
         "charset-normalizer": {
             "hashes": [
-                "sha256:1eecaa09422db5be9e29d7fc65664e6c33bd06f9ced7838578ba40d58bdf3721",
-                "sha256:b0b883e8e874edfdece9c28f314e3dd5badf067342e42fb162203335ae61aa2c"
+                "sha256:876d180e9d7432c5d1dfd4c5d26b72f099d503e8fcc0feb7532c9289be60fcbd",
+                "sha256:cb957888737fc0bbcd78e3df769addb41fd1ff8cf950dc9e7ad7793f1bf44455"
             ],
             "markers": "python_version >= '3'",
-            "version": "==2.0.9"
+            "version": "==2.0.10"
         },
         "coverage": {
             "extras": [
@@ -183,11 +175,11 @@
         },
         "filelock": {
             "hashes": [
-                "sha256:2e139a228bcf56dd8b2274a65174d005c4a6b68540ee0bdbb92c76f43f29f7e8",
-                "sha256:93d512b32a23baf4cac44ffd72ccf70732aeff7b8050fcaf6d3ec406d954baf4"
+                "sha256:38b4f4c989f9d06d44524df1b24bd19e167d851f19b50bf3e3559952dddc5b80",
+                "sha256:cf0fc6a2f8d26bd900f19bf33915ca70ba4dd8c56903eeb14e1e7a2fd7590146"
             ],
-            "markers": "python_version >= '3.6'",
-            "version": "==3.4.0"
+            "markers": "python_version >= '3.7'",
+            "version": "==3.4.2"
         },
         "idna": {
             "hashes": [
@@ -205,6 +197,14 @@
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.3.0"
         },
+        "importlib-metadata": {
+            "hashes": [
+                "sha256:899e2a40a8c4a1aec681feef45733de8a6c58f3f6a0dbed2eb6574b4387a77b6",
+                "sha256:951f0d8a5b7260e9db5e41d429285b5f451e928479f19d80818878527d36e95e"
+            ],
+            "markers": "python_version < '3.10'",
+            "version": "==4.10.1"
+        },
         "iniconfig": {
             "hashes": [
                 "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3",
@@ -305,11 +305,11 @@
         },
         "platformdirs": {
             "hashes": [
-                "sha256:367a5e80b3d04d2428ffa76d33f124cf11e8fff2acdaa9b43d545f5c7d661ef2",
-                "sha256:8868bbe3c3c80d42f20156f22e7131d2fb321f5bc86a2a345375c6481a67021d"
+                "sha256:1d7385c7db91728b83efd0ca99a5afb296cab9d0ed8313a45ed8ba17967ecfca",
+                "sha256:440633ddfebcc36264232365d7840a970e75e1018d15b4327d11f91909045fda"
             ],
-            "markers": "python_version >= '3.6'",
-            "version": "==2.4.0"
+            "markers": "python_version >= '3.7'",
+            "version": "==2.4.1"
         },
         "pluggy": {
             "hashes": [
@@ -329,11 +329,11 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:b8e67fe6af78f492b3c4b3e2970c0624cbf08beb1e493b2c99b9fa1b67a20380",
-                "sha256:f398865f7eb6874156579fdf36bc840a03cab64d1cde9e93d68f46a425ec52c6"
+                "sha256:44238f1b60a76d78fc8ca0528ee429702aae011c265fe6a8dd8b63049ae41c65",
+                "sha256:4e426f72023d88d03b2fa258de560726ce890ff3b630f88c21cbb8b2503b8c6a"
             ],
             "markers": "python_version >= '3.5'",
-            "version": "==2.10.0"
+            "version": "==2.11.2"
         },
         "pyparsing": {
             "hashes": [
@@ -382,14 +382,6 @@
             "index": "pypi",
             "version": "==2.26.0"
         },
-        "setuptools": {
-            "hashes": [
-                "sha256:5ec2bbb534ed160b261acbbdd1b463eb3cf52a8d223d96a8ab9981f63798e85c",
-                "sha256:75fd345a47ce3d79595b27bf57e6f49c2ca7904f3c7ce75f8a87012046c86b0b"
-            ],
-            "markers": "python_version >= '3.7'",
-            "version": "==60.0.0"
-        },
         "six": {
             "hashes": [
                 "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
@@ -407,11 +399,11 @@
         },
         "sphinx": {
             "hashes": [
-                "sha256:0a8836751a68306b3fe97ecbe44db786f8479c3bf4b80e3a7f5c838657b4698c",
-                "sha256:6a11ea5dd0bdb197f9c2abc2e0ce73e01340464feaece525e64036546d24c851"
+                "sha256:5da895959511473857b6d0200f56865ed62c31e8f82dd338063b84ec022701fe",
+                "sha256:6caad9786055cb1fa22b4a365c1775816b876f91966481765d7d50e9f0dd35cc"
             ],
             "index": "pypi",
-            "version": "==4.3.2"
+            "version": "==4.4.0"
         },
         "sphinxcontrib-applehelp": {
             "hashes": [
@@ -486,19 +478,27 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:4987c65554f7a2dbf30c18fd48778ef124af6fab771a377103da0585e2336ece",
-                "sha256:c4fdf4019605b6e5423637e01bc9fe4daef873709a7973e195ceba0a62bbc844"
+                "sha256:000ca7f471a233c2251c6c7023ee85305721bfdf18621ebff4fd17a8653427ed",
+                "sha256:0e7c33d9a63e7ddfcb86780aac87befc2fbddf46c58dbb487e0855f7ceec283c"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==1.26.7"
+            "version": "==1.26.8"
         },
         "virtualenv": {
             "hashes": [
-                "sha256:4b02e52a624336eece99c96e3ab7111f469c24ba226a53ec474e8e787b365814",
-                "sha256:576d05b46eace16a9c348085f7d0dc8ef28713a2cabaa1cf0aea41e8f12c9218"
+                "sha256:339f16c4a86b44240ba7223d0f93a7887c3ca04b5f9c8129da7958447d079b09",
+                "sha256:d8458cf8d59d0ea495ad9b34c2599487f8a7772d796f9910858376d1600dd2dd"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==20.10.0"
+            "version": "==20.13.0"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:9f50f446828eb9d45b267433fd3e9da8d801f614129124863f9c51ebceafb87d",
+                "sha256:b47250dd24f92b7dd6a0a8fc5244da14608f3ca90a5efcd37a3b1642fac9a375"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==3.7.0"
         }
     }
 }