diff --git a/Pipfile.lock b/Pipfile.lock
index f568532..4640853 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -65,40 +65,42 @@
         },
         "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"
+                "sha256:098a703d913be6fbd146a8c50cc76513d726b022d170e5e98dc56d958fd592fb",
+                "sha256:16042dc7f8e632e0dcd5206a5095ebd18cb1d005f4c89694f7f8aafd96dd43a3",
+                "sha256:1adb6be0dcef0cf9434619d3b892772fdb48e793300f9d762e480e043bd8e716",
+                "sha256:27ca5a2bc04d68f0776f2cdcb8bbd508bbe430a7bf9c02315cd05fb1d86d0034",
+                "sha256:28f42dc5172ebdc32622a2c3f7ead1b836cdbf253569ae5673f499e35db0bac3",
+                "sha256:2fcc8b58953d74d199a1a4d633df8146f0ac36c4e720b4a1997e9b6327af43a8",
+                "sha256:304fbe451698373dc6653772c72c5d5e883a4aadaf20343592a7abb2e643dae0",
+                "sha256:30bc103587e0d3df9e52cd9da1dd915265a22fad0b72afe54daf840c984b564f",
+                "sha256:40f70f81be4d34f8d491e55936904db5c527b0711b2a46513641a5729783c2e4",
+                "sha256:4186fc95c9febeab5681bc3248553d5ec8c2999b8424d4fc3a39c9cba5796962",
+                "sha256:46794c815e56f1431c66d81943fa90721bb858375fb36e5903697d5eef88627d",
+                "sha256:4869ab1c1ed33953bb2433ce7b894a28d724b7aa76c19b11e2878034a4e4680b",
+                "sha256:4f6428b55d2916a69f8d6453e48a505c07b2245653b0aa9f0dee38785939f5e4",
+                "sha256:52f185ffd3291196dc1aae506b42e178a592b0b60a8610b108e6ad892cfc1bb3",
+                "sha256:538f2fd5eb64366f37c97fdb3077d665fa946d2b6d95447622292f38407f9258",
+                "sha256:64c4f340338c68c463f1b56e3f2f0423f7b17ba6c3febae80b81f0e093077f59",
+                "sha256:675192fca634f0df69af3493a48224f211f8db4e84452b08d5fcebb9167adb01",
+                "sha256:700997b77cfab016533b3e7dbc03b71d33ee4df1d79f2463a318ca0263fc29dd",
+                "sha256:8505e614c983834239f865da2dd336dcf9d72776b951d5dfa5ac36b987726e1b",
+                "sha256:962c44070c281d86398aeb8f64e1bf37816a4dfc6f4c0f114756b14fc575621d",
+                "sha256:9e536783a5acee79a9b308be97d3952b662748c4037b6a24cbb339dc7ed8eb89",
+                "sha256:9ea749fd447ce7fb1ac71f7616371f04054d969d412d37611716721931e36efd",
+                "sha256:a34cb28e0747ea15e82d13e14de606747e9e484fb28d63c999483f5d5188e89b",
+                "sha256:a3ee9c793ffefe2944d3a2bd928a0e436cd0ac2d9e3723152d6fd5398838ce7d",
+                "sha256:aab75d99f3f2874733946a7648ce87a50019eb90baef931698f96b76b6769a46",
+                "sha256:b1ed2bdb27b4c9fc87058a1cb751c4df8752002143ed393899edb82b131e0546",
+                "sha256:b360d8fd88d2bad01cb953d81fd2edd4be539df7bfec41e8753fe9f4456a5082",
+                "sha256:b8f58c7db64d8f27078cbf2a4391af6aa4e4767cc08b37555c4ae064b8558d9b",
+                "sha256:c1bbb628ed5192124889b51204de27c575b3ffc05a5a91307e7640eff1d48da4",
+                "sha256:c2ff24df02a125b7b346c4c9078c8936da06964cc2d276292c357d64378158f8",
+                "sha256:c890728a93fffd0407d7d37c1e6083ff3f9f211c83b4316fae3778417eab9811",
+                "sha256:c96472b8ca5dc135fb0aa62f79b033f02aa434fb03a8b190600a5ae4102df1fd",
+                "sha256:ce7866f29d3025b5b34c2e944e66ebef0d92e4a4f2463f7266daa03a1332a651",
+                "sha256:e26c993bd4b220429d4ec8c1468eca445a4064a61c74ca08da7429af9bc53bb0"
+            ],
+            "version": "==5.2.1"
         },
         "flake8": {
             "hashes": [