diff --git a/Pipfile.lock b/Pipfile.lock
index 18ea72c..d23260b 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -22,17 +22,17 @@
     "develop": {
         "astroid": {
             "hashes": [
-                "sha256:21d735aab248253531bb0f1e1e6d068f0ee23533e18ae8a6171ff892b98297cf",
-                "sha256:cfc35498ee64017be059ceffab0a25bedf7548ab76f2bea691c5565896e7128d"
+                "sha256:7b963d1c590d490f60d2973e57437115978d3a2529843f160b5003b721e1e925",
+                "sha256:83e494b02d75d07d4e347b27c066fd791c0c74fc96c613d1ea3de0c82c48168f"
             ],
-            "version": "==2.5.1"
+            "version": "==2.6.5"
         },
         "attrs": {
             "hashes": [
-                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
-                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
+                "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
+                "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
             ],
-            "version": "==20.3.0"
+            "version": "==21.2.0"
         },
         "flake8": {
             "hashes": [
@@ -51,39 +51,37 @@
         },
         "isort": {
             "hashes": [
-                "sha256:c729845434366216d320e936b8ad6f9d681aab72dc7cbc2d51bedc3582f3ad1e",
-                "sha256:fff4f0c04e1825522ce6949973e83110a6e907750cd92d128b0d14aaaadbffdc"
+                "sha256:9c2ea1e62d871267b78307fe511c0838ba0da28698c5732d54e2790bf3ba9899",
+                "sha256:e17d6e2b81095c9db0a03a8025a957f334d6ea30b26f9ec70805411e5c7c81f2"
             ],
-            "version": "==5.7.0"
+            "version": "==5.9.3"
         },
         "lazy-object-proxy": {
             "hashes": [
-                "sha256:1d33d6f789697f401b75ce08e73b1de567b947740f768376631079290118ad39",
-                "sha256:2f2de8f8ac0be3e40d17730e0600619d35c78c13a099ea91ef7fb4ad944ce694",
-                "sha256:3782931963dc89e0e9a0ae4348b44762e868ea280e4f8c233b537852a8996ab9",
-                "sha256:37d9c34b96cca6787fe014aeb651217944a967a5b165e2cacb6b858d2997ab84",
-                "sha256:38c3865bd220bd983fcaa9aa11462619e84a71233bafd9c880f7b1cb753ca7fa",
-                "sha256:429c4d1862f3fc37cd56304d880f2eae5bd0da83bdef889f3bd66458aac49128",
-                "sha256:522b7c94b524389f4a4094c4bf04c2b02228454ddd17c1a9b2801fac1d754871",
-                "sha256:57fb5c5504ddd45ed420b5b6461a78f58cbb0c1b0cbd9cd5a43ad30a4a3ee4d0",
-                "sha256:5944a9b95e97de1980c65f03b79b356f30a43de48682b8bdd90aa5089f0ec1f4",
-                "sha256:6f4e5e68b7af950ed7fdb594b3f19a0014a3ace0fedb86acb896e140ffb24302",
-                "sha256:71a1ef23f22fa8437974b2d60fedb947c99a957ad625f83f43fd3de70f77f458",
-                "sha256:8a44e9901c0555f95ac401377032f6e6af66d8fc1fbfad77a7a8b1a826e0b93c",
-                "sha256:b6577f15d5516d7d209c1a8cde23062c0f10625f19e8dc9fb59268859778d7d7",
-                "sha256:c8fe2d6ff0ff583784039d0255ea7da076efd08507f2be6f68583b0da32e3afb",
-                "sha256:cadfa2c2cf54d35d13dc8d231253b7985b97d629ab9ca6e7d672c35539d38163",
-                "sha256:cd1bdace1a8762534e9a36c073cd54e97d517a17d69a17985961265be6d22847",
-                "sha256:ddbdcd10eb999d7ab292677f588b658372aadb9a52790f82484a37127a390108",
-                "sha256:e7273c64bccfd9310e9601b8f4511d84730239516bada26a0c9846c9697617ef",
-                "sha256:e7428977763150b4cf83255625a80a23dfdc94d43be7791ce90799d446b4e26f",
-                "sha256:e960e8be509e8d6d618300a6c189555c24efde63e85acaf0b14b2cd1ac743315",
-                "sha256:ecb5dd5990cec6e7f5c9c1124a37cb2c710c6d69b0c1a5c4aa4b35eba0ada068",
-                "sha256:ef3f5e288aa57b73b034ce9c1f1ac753d968f9069cd0742d1d69c698a0167166",
-                "sha256:fa5b2dee0e231fa4ad117be114251bdfe6afe39213bd629d43deb117b6a6c40a",
-                "sha256:fa7fb7973c622b9e725bee1db569d2c2ee64d2f9a089201c5e8185d482c7352d"
-            ],
-            "version": "==1.5.2"
+                "sha256:17e0967ba374fc24141738c69736da90e94419338fd4c7c7bef01ee26b339653",
+                "sha256:1fee665d2638491f4d6e55bd483e15ef21f6c8c2095f235fef72601021e64f61",
+                "sha256:22ddd618cefe54305df49e4c069fa65715be4ad0e78e8d252a33debf00f6ede2",
+                "sha256:24a5045889cc2729033b3e604d496c2b6f588c754f7a62027ad4437a7ecc4837",
+                "sha256:410283732af311b51b837894fa2f24f2c0039aa7f220135192b38fcc42bd43d3",
+                "sha256:4732c765372bd78a2d6b2150a6e99d00a78ec963375f236979c0626b97ed8e43",
+                "sha256:489000d368377571c6f982fba6497f2aa13c6d1facc40660963da62f5c379726",
+                "sha256:4f60460e9f1eb632584c9685bccea152f4ac2130e299784dbaf9fae9f49891b3",
+                "sha256:5743a5ab42ae40caa8421b320ebf3a998f89c85cdc8376d6b2e00bd12bd1b587",
+                "sha256:85fb7608121fd5621cc4377a8961d0b32ccf84a7285b4f1d21988b2eae2868e8",
+                "sha256:9698110e36e2df951c7c36b6729e96429c9c32b3331989ef19976592c5f3c77a",
+                "sha256:9d397bf41caad3f489e10774667310d73cb9c4258e9aed94b9ec734b34b495fd",
+                "sha256:b579f8acbf2bdd9ea200b1d5dea36abd93cabf56cf626ab9c744a432e15c815f",
+                "sha256:b865b01a2e7f96db0c5d12cfea590f98d8c5ba64ad222300d93ce6ff9138bcad",
+                "sha256:bf34e368e8dd976423396555078def5cfc3039ebc6fc06d1ae2c5a65eebbcde4",
+                "sha256:c6938967f8528b3668622a9ed3b31d145fab161a32f5891ea7b84f6b790be05b",
+                "sha256:d1c2676e3d840852a2de7c7d5d76407c772927addff8d742b9808fe0afccebdf",
+                "sha256:d7124f52f3bd259f510651450e18e0fd081ed82f3c08541dffc7b94b883aa981",
+                "sha256:d900d949b707778696fdf01036f58c9876a0d8bfe116e8d220cfd4b15f14e741",
+                "sha256:ebfd274dcd5133e0afae738e6d9da4323c3eb021b3e13052d8cbd0e457b1256e",
+                "sha256:ed361bb83436f117f9917d282a456f9e5009ea12fd6de8742d1a4752c3017e93",
+                "sha256:f5144c75445ae3ca2057faac03fda5a902eff196702b0a24daf1d6ce0650514b"
+            ],
+            "version": "==1.6.0"
         },
         "mccabe": {
             "hashes": [
@@ -94,10 +92,10 @@
         },
         "packaging": {
             "hashes": [
-                "sha256:5b327ac1320dc863dca72f4514ecc086f31186744b84a230374cc1fd776feae5",
-                "sha256:67714da7f7bc052e064859c05c595155bd1ee9f69f76557e21f051443c20947a"
+                "sha256:7dc96269f53a4ccec5c0670940a4281106dd0bb343f47b7471f779df49c2fbe7",
+                "sha256:c86254f9220d55e31cc94d69bade760f0847da8000def4dfe1c6b872fd14ff14"
             ],
-            "version": "==20.9"
+            "version": "==21.0"
         },
         "pluggy": {
             "hashes": [
@@ -129,11 +127,11 @@
         },
         "pylint": {
             "hashes": [
-                "sha256:0e21d3b80b96740909d77206d741aa3ce0b06b41be375d92e1f3244a274c1f8a",
-                "sha256:d09b0b07ba06bcdff463958f53f23df25e740ecd81895f7d2699ec04bbd8dc3b"
+                "sha256:2e1a0eb2e8ab41d6b5dbada87f066492bb1557b12b76c47c2ee8aa8a11186594",
+                "sha256:8b838c8983ee1904b2de66cce9d0b96649a91901350e956d78f289c3bc87b48e"
             ],
             "index": "pypi",
-            "version": "==2.7.2"
+            "version": "==2.9.6"
         },
         "pyparsing": {
             "hashes": [