diff --git a/Pipfile.lock b/Pipfile.lock
index f568532..110ceef 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -65,40 +65,55 @@
         },
         "coverage": {
             "hashes": [
-                "sha256:00f1d23f4336efc3b311ed0d807feb45098fc86dee1ca13b3d6768cdab187c8a",
-                "sha256:01333e1bd22c59713ba8a79f088b3955946e293114479bbfc2e37d522be03355",
-                "sha256:0cb4be7e784dcdc050fc58ef05b71aa8e89b7e6636b99967fadbdba694cf2b65",
-                "sha256:0e61d9803d5851849c24f78227939c701ced6704f337cad0a91e0972c51c1ee7",
-                "sha256:1601e480b9b99697a570cea7ef749e88123c04b92d84cedaa01e117436b4a0a9",
-                "sha256:2742c7515b9eb368718cd091bad1a1b44135cc72468c731302b3d641895b83d1",
-                "sha256:2d27a3f742c98e5c6b461ee6ef7287400a1956c11421eb574d843d9ec1f772f0",
-                "sha256:402e1744733df483b93abbf209283898e9f0d67470707e3c7516d84f48524f55",
-                "sha256:5c542d1e62eece33c306d66fe0a5c4f7f7b3c08fecc46ead86d7916684b36d6c",
-                "sha256:5f2294dbf7875b991c381e3d5af2bcc3494d836affa52b809c91697449d0eda6",
-                "sha256:6402bd2fdedabbdb63a316308142597534ea8e1895f4e7d8bf7476c5e8751fef",
-                "sha256:66460ab1599d3cf894bb6baee8c684788819b71a5dc1e8fa2ecc152e5d752019",
-                "sha256:782caea581a6e9ff75eccda79287daefd1d2631cc09d642b6ee2d6da21fc0a4e",
-                "sha256:79a3cfd6346ce6c13145731d39db47b7a7b859c0272f02cdb89a3bdcbae233a0",
-                "sha256:7a5bdad4edec57b5fb8dae7d3ee58622d626fd3a0be0dfceda162a7035885ecf",
-                "sha256:8fa0cbc7ecad630e5b0f4f35b0f6ad419246b02bc750de7ac66db92667996d24",
-                "sha256:a027ef0492ede1e03a8054e3c37b8def89a1e3c471482e9f046906ba4f2aafd2",
-                "sha256:a3f3654d5734a3ece152636aad89f58afc9213c6520062db3978239db122f03c",
-                "sha256:a82b92b04a23d3c8a581fc049228bafde988abacba397d57ce95fe95e0338ab4",
-                "sha256:acf3763ed01af8410fc36afea23707d4ea58ba7e86a8ee915dfb9ceff9ef69d0",
-                "sha256:adeb4c5b608574a3d647011af36f7586811a2c1197c861aedb548dd2453b41cd",
-                "sha256:b83835506dfc185a319031cf853fa4bb1b3974b1f913f5bb1a0f3d98bdcded04",
-                "sha256:bb28a7245de68bf29f6fb199545d072d1036a1917dca17a1e75bbb919e14ee8e",
-                "sha256:bf9cb9a9fd8891e7efd2d44deb24b86d647394b9705b744ff6f8261e6f29a730",
-                "sha256:c317eaf5ff46a34305b202e73404f55f7389ef834b8dbf4da09b9b9b37f76dd2",
-                "sha256:dbe8c6ae7534b5b024296464f387d57c13caa942f6d8e6e0346f27e509f0f768",
-                "sha256:de807ae933cfb7f0c7d9d981a053772452217df2bf38e7e6267c9cbf9545a796",
-                "sha256:dead2ddede4c7ba6cb3a721870f5141c97dc7d85a079edb4bd8d88c3ad5b20c7",
-                "sha256:dec5202bfe6f672d4511086e125db035a52b00f1648d6407cc8e526912c0353a",
-                "sha256:e1ea316102ea1e1770724db01998d1603ed921c54a86a2efcb03428d5417e489",
-                "sha256:f90bfc4ad18450c80b024036eaf91e4a246ae287701aaa88eaebebf150868052"
-            ],
-            "index": "pypi",
-            "version": "==5.1"
+                "sha256:01774a2c2c729619760320270e42cd9e797427ecfddd32c2a7b639cdc481f3c0",
+                "sha256:03b20e52b7d31be571c9c06b74746746d4eb82fc260e594dc662ed48145e9efd",
+                "sha256:0a7726f74ff63f41e95ed3a89fef002916c828bb5fcae83b505b49d81a066884",
+                "sha256:1219d760ccfafc03c0822ae2e06e3b1248a8e6d1a70928966bafc6838d3c9e48",
+                "sha256:13362889b2d46e8d9f97c421539c97c963e34031ab0cb89e8ca83a10cc71ac76",
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+                "sha256:22e60a3ca5acba37d1d4a2ee66e051f5b0e1b9ac950b5b0cf4aa5366eda41d47",
+                "sha256:2641f803ee9f95b1f387f3e8f3bf28d83d9b69a39e9911e5bfee832bea75240d",
+                "sha256:276651978c94a8c5672ea60a2656e95a3cce2a3f31e9fb2d5ebd4c215d095840",
+                "sha256:3f7c17209eef285c86f819ff04a6d4cbee9b33ef05cbcaae4c0b4e8e06b3ec8f",
+                "sha256:3feac4084291642165c3a0d9eaebedf19ffa505016c4d3db15bfe235718d4971",
+                "sha256:49dbff64961bc9bdd2289a2bda6a3a5a331964ba5497f694e2cbd540d656dc1c",
+                "sha256:4e547122ca2d244f7c090fe3f4b5a5861255ff66b7ab6d98f44a0222aaf8671a",
+                "sha256:5829192582c0ec8ca4a2532407bc14c2f338d9878a10442f5d03804a95fac9de",
+                "sha256:5d6b09c972ce9200264c35a1d53d43ca55ef61836d9ec60f0d44273a31aa9f17",
+                "sha256:600617008aa82032ddeace2535626d1bc212dfff32b43989539deda63b3f36e4",
+                "sha256:619346d57c7126ae49ac95b11b0dc8e36c1dd49d148477461bb66c8cf13bb521",
+                "sha256:63c424e6f5b4ab1cf1e23a43b12f542b0ec2e54f99ec9f11b75382152981df57",
+                "sha256:6dbc1536e105adda7a6312c778f15aaabe583b0e9a0b0a324990334fd458c94b",
+                "sha256:6e1394d24d5938e561fbeaa0cd3d356207579c28bd1792f25a068743f2d5b282",
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+                "sha256:8bdfe9ff3a4ea37d17f172ac0dff1e1c383aec17a636b9b35906babc9f0f5475",
+                "sha256:8e2c35a4c1f269704e90888e56f794e2d9c0262fb0c1b1c8c4ee44d9b9e77b5d",
+                "sha256:92b8c845527eae547a2a6617d336adc56394050c3ed8a6918683646328fbb6da",
+                "sha256:9365ed5cce5d0cf2c10afc6add145c5037d3148585b8ae0e77cc1efdd6aa2953",
+                "sha256:9a29311bd6429be317c1f3fe4bc06c4c5ee45e2fa61b2a19d4d1d6111cb94af2",
+                "sha256:9a2b5b52be0a8626fcbffd7e689781bf8c2ac01613e77feda93d96184949a98e",
+                "sha256:a4bdeb0a52d1d04123b41d90a4390b096f3ef38eee35e11f0b22c2d031222c6c",
+                "sha256:a9c8c4283e17690ff1a7427123ffb428ad6a52ed720d550e299e8291e33184dc",
+                "sha256:b637c57fdb8be84e91fac60d9325a66a5981f8086c954ea2772efe28425eaf64",
+                "sha256:bf154ba7ee2fd613eb541c2bc03d3d9ac667080a737449d1a3fb342740eb1a74",
+                "sha256:c254b03032d5a06de049ce8bca8338a5185f07fb76600afff3c161e053d88617",
+                "sha256:c332d8f8d448ded473b97fefe4a0983265af21917d8b0cdcb8bb06b2afe632c3",
+                "sha256:c7912d1526299cb04c88288e148c6c87c0df600eca76efd99d84396cfe00ef1d",
+                "sha256:cfd9386c1d6f13b37e05a91a8583e802f8059bebfccde61a418c5808dea6bbfa",
+                "sha256:d5d2033d5db1d58ae2d62f095e1aefb6988af65b4b12cb8987af409587cc0739",
+                "sha256:dca38a21e4423f3edb821292e97cec7ad38086f84313462098568baedf4331f8",
+                "sha256:e2cad8093172b7d1595b4ad66f24270808658e11acf43a8f95b41276162eb5b8",
+                "sha256:e3db840a4dee542e37e09f30859f1612da90e1c5239a6a2498c473183a50e781",
+                "sha256:edcada2e24ed68f019175c2b2af2a8b481d3d084798b8c20d15d34f5c733fa58",
+                "sha256:f467bbb837691ab5a8ca359199d3429a11a01e6dfb3d9dcc676dc035ca93c0a9",
+                "sha256:f506af4f27def639ba45789fa6fde45f9a217da0be05f8910458e4557eed020c",
+                "sha256:f614fc9956d76d8a88a88bb41ddc12709caa755666f580af3a688899721efecd",
+                "sha256:f9afb5b746781fc2abce26193d1c817b7eb0e11459510fba65d2bd77fe161d9e",
+                "sha256:fb8b8ee99b3fffe4fd86f4c81b35a6bf7e4462cba019997af2fe679365db0c49"
+            ],
+            "version": "==6.2"
         },
         "flake8": {
             "hashes": [