diff --git a/Pipfile.lock b/Pipfile.lock
index 011952dd..b6fc7768 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -26,7 +26,6 @@
                 "sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa",
                 "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==4.0.0"
         },
         "idna": {
@@ -34,7 +33,6 @@
                 "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
                 "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.10"
         },
         "requests": {
@@ -50,7 +48,6 @@
                 "sha256:1b465e494e3e0d8939b50680403e3aedaa2bc434b7d5af64dfd3c958d7f5ae80",
                 "sha256:de3eedaad74a2683334e282005cd8d7f22f4d55fa690a2a1020a416cb0a47e73"
             ],
-            "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": "==1.26.3"
         }
     },
@@ -67,7 +64,6 @@
                 "sha256:87ae7f2398b8a0ae5638ddecf9987f081b756e0e9fc071aeebdca525671fc4dc",
                 "sha256:b31c92f545517dcc452f284bc9c044050862fbe6d93d2b3de4a215a6b384bf0d"
             ],
-            "markers": "python_version >= '3.6'",
             "version": "==2.5.0"
         },
         "attrs": {
@@ -75,7 +71,6 @@
                 "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
                 "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==20.3.0"
         },
         "certifi": {
@@ -99,14 +94,6 @@
             ],
             "version": "==3.0.12"
         },
-        "importlib-metadata": {
-            "hashes": [
-                "sha256:24499ffde1b80be08284100393955842be4a59c7c16bbf2738aad0e464a8e0aa",
-                "sha256:c6af5dbf1126cd959c4a8d8efd61d4d3c83bddb0459a17e554284a077574b614"
-            ],
-            "markers": "python_version < '3.8'",
-            "version": "==3.7.0"
-        },
         "iniconfig": {
             "hashes": [
                 "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3",
@@ -119,7 +106,6 @@
                 "sha256:c729845434366216d320e936b8ad6f9d681aab72dc7cbc2d51bedc3582f3ad1e",
                 "sha256:fff4f0c04e1825522ce6949973e83110a6e907750cd92d128b0d14aaaadbffdc"
             ],
-            "markers": "python_version >= '3.6' and python_version < '4.0'",
             "version": "==5.7.0"
         },
         "lazy-object-proxy": {
@@ -149,14 +135,12 @@
                 "sha256:fa5b2dee0e231fa4ad117be114251bdfe6afe39213bd629d43deb117b6a6c40a",
                 "sha256:fa7fb7973c622b9e725bee1db569d2c2ee64d2f9a089201c5e8185d482c7352d"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==1.5.2"
         },
         "mako": {
             "hashes": [
                 "sha256:17831f0b7087c313c0ffae2bcbbd3c1d5ba9eeac9c38f2eb7b50e8c99fe9d5ab"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.1.4"
         },
         "markdown": {
@@ -164,7 +148,6 @@
                 "sha256:31b5b491868dcc87d6c24b7e3d19a0d730d59d3e46f4eea6430a321bed387a49",
                 "sha256:96c3ba1261de2f7547b46a00ea8463832c921d3f9d6aba3f255a6f71386db20c"
             ],
-            "markers": "python_version >= '3.6'",
             "version": "==3.3.4"
         },
         "markupsafe": {
@@ -222,7 +205,6 @@
                 "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be",
                 "sha256:feb7b34d6325451ef96bc0e36e1a6c0c1c64bc1fbec4b854f4529e51887b1621"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.1.1"
         },
         "mccabe": {
@@ -237,7 +219,6 @@
                 "sha256:5b327ac1320dc863dca72f4514ecc086f31186744b84a230374cc1fd776feae5",
                 "sha256:67714da7f7bc052e064859c05c595155bd1ee9f69f76557e21f051443c20947a"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==20.9"
         },
         "pdoc3": {
@@ -252,7 +233,6 @@
                 "sha256:4ab2f60742184d851ac44b9e1d423afe71dc2ea7a68bde07eb890c8b4ce5a420",
                 "sha256:8253fe6f9cfb3791a54da8a0571f73c918cb3457dd908684c1800a13a06ec4c1"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2020.11.15"
         },
         "pluggy": {
@@ -260,7 +240,6 @@
                 "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
                 "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==0.13.1"
         },
         "py": {
@@ -268,7 +247,6 @@
                 "sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3",
                 "sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.10.0"
         },
         "pylint": {
@@ -284,7 +262,6 @@
                 "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
                 "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.4.7"
         },
         "pytest": {
@@ -309,7 +286,6 @@
                 "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
                 "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.15.0"
         },
         "toml": {
@@ -317,16 +293,15 @@
                 "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
                 "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==0.10.2"
         },
         "tox": {
             "hashes": [
-                "sha256:89afa9c59c04beb55eda789c7a65feb1a70fde117f85f1bd1c27c66758456e60",
-                "sha256:ed1e650cf6368bcbc4a071eeeba363c480920e0ed8a9ad1793c7caaa5ad33d49"
+                "sha256:05a4dbd5e4d3d8269b72b55600f0b0303e2eb47ad5c6fe76d3576f4c58d93661",
+                "sha256:e007673f3595cede9b17a7c4962389e4305d4a3682a6c5a4159a1453b4f326aa"
             ],
             "index": "pypi",
-            "version": "==3.22.0"
+            "version": "==3.23.0"
         },
         "tox-pipenv": {
             "hashes": [
@@ -336,57 +311,11 @@
             "index": "pypi",
             "version": "==1.10.1"
         },
-        "typed-ast": {
-            "hashes": [
-                "sha256:07d49388d5bf7e863f7fa2f124b1b1d89d8aa0e2f7812faff0a5658c01c59aa1",
-                "sha256:14bf1522cdee369e8f5581238edac09150c765ec1cb33615855889cf33dcb92d",
-                "sha256:240296b27397e4e37874abb1df2a608a92df85cf3e2a04d0d4d61055c8305ba6",
-                "sha256:36d829b31ab67d6fcb30e185ec996e1f72b892255a745d3a82138c97d21ed1cd",
-                "sha256:37f48d46d733d57cc70fd5f30572d11ab8ed92da6e6b28e024e4a3edfb456e37",
-                "sha256:4c790331247081ea7c632a76d5b2a265e6d325ecd3179d06e9cf8d46d90dd151",
-                "sha256:5dcfc2e264bd8a1db8b11a892bd1647154ce03eeba94b461effe68790d8b8e07",
-                "sha256:7147e2a76c75f0f64c4319886e7639e490fee87c9d25cb1d4faef1d8cf83a440",
-                "sha256:7703620125e4fb79b64aa52427ec192822e9f45d37d4b6625ab37ef403e1df70",
-                "sha256:8368f83e93c7156ccd40e49a783a6a6850ca25b556c0fa0240ed0f659d2fe496",
-                "sha256:84aa6223d71012c68d577c83f4e7db50d11d6b1399a9c779046d75e24bed74ea",
-                "sha256:85f95aa97a35bdb2f2f7d10ec5bbdac0aeb9dafdaf88e17492da0504de2e6400",
-                "sha256:8db0e856712f79c45956da0c9a40ca4246abc3485ae0d7ecc86a20f5e4c09abc",
-                "sha256:9044ef2df88d7f33692ae3f18d3be63dec69c4fb1b5a4a9ac950f9b4ba571606",
-                "sha256:963c80b583b0661918718b095e02303d8078950b26cc00b5e5ea9ababe0de1fc",
-                "sha256:987f15737aba2ab5f3928c617ccf1ce412e2e321c77ab16ca5a293e7bbffd581",
-                "sha256:9ec45db0c766f196ae629e509f059ff05fc3148f9ffd28f3cfe75d4afb485412",
-                "sha256:9fc0b3cb5d1720e7141d103cf4819aea239f7d136acf9ee4a69b047b7986175a",
-                "sha256:a2c927c49f2029291fbabd673d51a2180038f8cd5a5b2f290f78c4516be48be2",
-                "sha256:a38878a223bdd37c9709d07cd357bb79f4c760b29210e14ad0fb395294583787",
-                "sha256:b4fcdcfa302538f70929eb7b392f536a237cbe2ed9cba88e3bf5027b39f5f77f",
-                "sha256:c0c74e5579af4b977c8b932f40a5464764b2f86681327410aa028a22d2f54937",
-                "sha256:c1c876fd795b36126f773db9cbb393f19808edd2637e00fd6caba0e25f2c7b64",
-                "sha256:c9aadc4924d4b5799112837b226160428524a9a45f830e0d0f184b19e4090487",
-                "sha256:cc7b98bf58167b7f2db91a4327da24fb93368838eb84a44c472283778fc2446b",
-                "sha256:cf54cfa843f297991b7388c281cb3855d911137223c6b6d2dd82a47ae5125a41",
-                "sha256:d003156bb6a59cda9050e983441b7fa2487f7800d76bdc065566b7d728b4581a",
-                "sha256:d175297e9533d8d37437abc14e8a83cbc68af93cc9c1c59c2c292ec59a0697a3",
-                "sha256:d746a437cdbca200622385305aedd9aef68e8a645e385cc483bdc5e488f07166",
-                "sha256:e683e409e5c45d5c9082dc1daf13f6374300806240719f95dc783d1fc942af10"
-            ],
-            "markers": "python_version < '3.8' and implementation_name == 'cpython'",
-            "version": "==1.4.2"
-        },
-        "typing-extensions": {
-            "hashes": [
-                "sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918",
-                "sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c",
-                "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"
-            ],
-            "markers": "python_version < '3.8'",
-            "version": "==3.7.4.3"
-        },
         "virtualenv": {
             "hashes": [
                 "sha256:147b43894e51dd6bba882cf9c282447f780e2251cd35172403745fc381a0a80d",
                 "sha256:2be72df684b74df0ea47679a7df93fd0e04e72520022c57b479d8f881485dbe3"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==20.4.2"
         },
         "virtualenv-clone": {
@@ -394,7 +323,6 @@
                 "sha256:07e74418b7cc64f4fda987bf5bc71ebd59af27a7bc9e8a8ee9fd54b1f2390a27",
                 "sha256:665e48dd54c84b98b71a657acb49104c54e7652bce9c1c4f6c6976ed4c827a29"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==0.5.4"
         },
         "wrapt": {
@@ -402,14 +330,6 @@
                 "sha256:b62ffa81fb85f4332a4f609cab4ac40709470da05643a082ec1eb88e6d9b97d7"
             ],
             "version": "==1.12.1"
-        },
-        "zipp": {
-            "hashes": [
-                "sha256:102c24ef8f171fd729d46599845e95c7ab894a4cf45f5de11a44cc7444fb1108",
-                "sha256:ed5eee1974372595f9e416cc7bbeeb12335201d8081ca8a0743c954d4446e5cb"
-            ],
-            "markers": "python_version >= '3.6'",
-            "version": "==3.4.0"
         }
     }
 }