diff --git a/Pipfile.lock b/Pipfile.lock
index 58b4758..ceb5e23 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -16,19 +16,13 @@
         ]
     },
     "default": {
-        "apipkg": {
-            "hashes": [
-                "sha256:37228cda29411948b422fae072f57e31d3396d2ee1c9783775980ee9c9990af6",
-                "sha256:58587dd4dc3daefad0487f6d9ae32b4542b185e1c36db6993290e7c41ca2b47c"
-            ],
-            "version": "==1.5"
-        },
         "atomicwrites": {
             "hashes": [
-                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
-                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
+                "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197",
+                "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"
             ],
-            "version": "==1.3.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.4.0"
         },
         "attrs": {
             "hashes": [
@@ -40,85 +34,124 @@
         },
         "enum34": {
             "hashes": [
-                "sha256:2d81cbbe0e73112bdfe6ef8576f2238f2ba27dd0d55752a776c41d38b7da2850",
-                "sha256:644837f692e5f550741432dd3f223bbb9852018674981b1664e5dc339387588a",
-                "sha256:6bd0f6ad48ec2aa117d3d141940d484deccda84d4fcd884f5c3d93c23ecd8c79",
-                "sha256:8ad8c4783bf61ded74527bffb48ed9b54166685e4230386a9ed9b1279e2df5b1"
+                "sha256:a98a201d6de3f2ab3db284e70a33b0f896fbf35f8086594e8c9e74b909058d53",
+                "sha256:c3858660960c984d6ab0ebad691265180da2b43f07e061c0f8dca9ef3cffd328",
+                "sha256:cce6a7477ed816bd2542d03d53db9f0db935dd013b70f336a95c73979289f248"
             ],
-            "version": "==1.1.6"
+            "version": "==1.1.10"
         },
         "execnet": {
             "hashes": [
-                "sha256:cacb9df31c9680ec5f95553976c4da484d407e85e41c83cb812aa014f0eddc50",
-                "sha256:d4efd397930c46415f62f8a31388d6be4f27a91d7550eb79bc64a756e0056547"
+                "sha256:8f694f3ba9cc92cab508b152dcfe322153975c29bda272e2fd7f3f00f36e47c5",
+                "sha256:a295f7cc774947aac58dde7fdc85f4aa00c42adf5d8f5468fc630c1acf30a142"
             ],
-            "version": "==1.7.1"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==1.9.0"
         },
         "importlib-metadata": {
             "hashes": [
-                "sha256:aa18d7378b00b40847790e7c27e11673d7fed219354109d0e7b9e5b25dc3ad26",
-                "sha256:d5f18a79777f3aa179c145737780282e27b508fc8fd688cb17c7a813e8bd39af"
+                "sha256:53ccfd5c134223e497627b9815d5030edf77d2ed573922f7a0b8f8bb81a1c100",
+                "sha256:75bdec14c397f528724c1bfd9709d660b33a4d2e77387a3358f20b848bb5e5fb"
             ],
             "markers": "python_version < '3.8'",
-            "version": "==0.23"
+            "version": "==4.8.2"
         },
         "lxml": {
             "hashes": [
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-                "sha256:a63b4fd3e2cabdcc9d918ed280bdde3e8e9641e04f3c59a2a3109644a07b9832",
-                "sha256:ae88588d687bd476be588010cbbe551e9c2872b816f2da8f01f6f1fda74e1ef0",
-                "sha256:b0b84408d4eabc6de9dd1e1e0bc63e7731e890c0b378a62443e5741cfd0ae90a",
-                "sha256:be78485e5d5f3684e875dab60f40cddace2f5b2a8f7fede412358ab3214c3a6f",
-                "sha256:c27eaed872185f047bb7f7da2d21a7d8913457678c9a100a50db6da890bc28b9",
-                "sha256:c7fccd08b14aa437fe096c71c645c0f9be0655a9b1a4b7cffc77bcb23b3d61d2",
-                "sha256:c81cb40bff373ab7a7446d6bbca0190bccc5be3448b47b51d729e37799bb5692",
-                "sha256:d11874b3c33ee441059464711cd365b89fa1a9cf19ae75b0c189b01fbf735b84",
-                "sha256:e9c028b5897901361d81a4718d1db217b716424a0283afe9d6735fe0caf70f79",
-                "sha256:fe489d486cd00b739be826e8c1be188ddb74c7a1ca784d93d06fda882a6a1681"
-            ],
-            "version": "==4.4.1"
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+                "sha256:1a2a7659b8eb93c6daee350a0d844994d49245a0f6c05c747f619386fb90ba04",
+                "sha256:1ccbfe5d17835db906f2bab6f15b34194db1a5b07929cba3cf45a96dbfbfefc0",
+                "sha256:2f77556266a8fe5428b8759fbfc4bd70be1d1d9c9b25d2a414f6a0c0b0f09120",
+                "sha256:3534d7c468c044f6aef3c0aff541db2826986a29ea73f2ca831f5d5284d9b570",
+                "sha256:3884476a90d415be79adfa4e0e393048630d0d5bcd5757c4c07d8b4b00a1096b",
+                "sha256:3b95fb7e6f9c2f53db88f4642231fc2b8907d854e614710996a96f1f32018d5c",
+                "sha256:46515773570a33eae13e451c8fcf440222ef24bd3b26f40774dd0bd8b6db15b2",
+                "sha256:46f21f2600d001af10e847df9eb3b832e8a439f696c04891bcb8a8cedd859af9",
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+                "sha256:4b9390bf973e3907d967b75be199cf1978ca8443183cf1e78ad80ad8be9cf242",
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+                "sha256:642eb4cabd997c9b949a994f9643cd8ae00cf4ca8c5cd9c273962296fadf1c44",
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+                "sha256:76b6c296e4f7a1a8a128aec42d128646897f9ae9a700ef6839cdc9b3900db9b5",
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+                "sha256:af4139172ff0263d269abdcc641e944c9de4b5d660894a3ec7e9f9db63b56ac9",
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+                "sha256:ba0006799f21d83c3717fe20e2707a10bbc296475155aadf4f5850f6659b96b9",
+                "sha256:bdb98f4c9e8a1735efddfaa995b0c96559792da15d56b76428bdfc29f77c4cdb",
+                "sha256:c34234a1bc9e466c104372af74d11a9f98338a3f72fae22b80485171a64e0144",
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+                "sha256:ca9a40497f7e97a2a961c04fa8a6f23d790b0521350a8b455759d786b0bcb203",
+                "sha256:cab343b265e38d4e00649cbbad9278b734c5715f9bcbb72c85a1f99b1a58e19a",
+                "sha256:ce52aad32ec6e46d1a91ff8b8014a91538800dd533914bfc4a82f5018d971408",
+                "sha256:da07c7e7fc9a3f40446b78c54dbba8bfd5c9100dfecb21b65bfe3f57844f5e71",
+                "sha256:dc8a0dbb2a10ae8bb609584f5c504789f0f3d0d81840da4849102ec84289f952",
+                "sha256:e5b4b0d9440046ead3bd425eb2b852499241ee0cef1ae151038e4f87ede888c4",
+                "sha256:f33d8efb42e4fc2b31b3b4527940b25cdebb3026fb56a80c1c1c11a4271d2352",
+                "sha256:f6befb83bca720b71d6bd6326a3b26e9496ae6649e26585de024890fe50f49b8",
+                "sha256:fcc849b28f584ed1dbf277291ded5c32bb3476a37032df4a1d523b55faa5f944",
+                "sha256:ff44de36772b05c2eb74f2b4b6d1ae29b8f41ed5506310ce1258d44826ee38c1"
+            ],
+            "index": "pypi",
+            "version": "==4.6.5"
         },
         "more-itertools": {
             "hashes": [
-                "sha256:409cd48d4db7052af495b09dec721011634af3753ae1ef92d2b32f73a745f832",
-                "sha256:92b8c4b06dac4f0611c0729b2f2ede52b2e1bac1ab48f089c7ddc12e26bb60c4"
+                "sha256:43e6dd9942dffd72661a2c4ef383ad7da1e6a3e968a927ad7a6083ab410a688b",
+                "sha256:7dc6ad46f05f545f900dd59e8dfb4e84a4827b97b3cfecb175ea0c7d247f6064"
             ],
-            "version": "==7.2.0"
+            "markers": "python_version >= '3.5'",
+            "version": "==8.12.0"
         },
         "namedlist": {
             "hashes": [
-                "sha256:190b39ceaf1d6b59999811259e61beb1b26aaa482fb8c95538294d551461c986"
+                "sha256:34f89fc992592c80b39a709e136edcf41ea17f24ba31eaf84a314a02c8b9bcef",
+                "sha256:826f9178fbe2683f586d0e63056a0e02347445c2bfa49e73295fa0bd5658f4ab"
             ],
-            "version": "==1.7"
+            "version": "==1.8"
         },
         "pluggy": {
             "hashes": [
-                "sha256:0db4b7601aae1d35b4a033282da476845aa19185c1e6964b25cf324b5e4ec3e6",
-                "sha256:fa5fa1622fa6dd5c030e9cad086fa19ef6a0cf6d7a2d12318e10cb49d6d68f34"
+                "sha256:4224373bacce55f955a878bf9cfa763c1e360858e330072059e10bad68531159",
+                "sha256:74134bbf457f031a36d68416e1509f34bd5ccc019f0bcc952c7b909d06b37bd3"
             ],
-            "version": "==0.13.0"
+            "markers": "python_version >= '3.6'",
+            "version": "==1.0.0"
         },
         "py": {
             "hashes": [
-                "sha256:64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa",
-                "sha256:dc639b046a6e2cff5bbe40194ad65936d6ba360b52b3c3fe1d08a82dd50b5e53"
+                "sha256:51c75c4126074b472f746a24399ad32f6053d1b34b68d2fa41e558e6f4a98719",
+                "sha256:607c53218732647dff4acdfcd50cb62615cedf612e72d1724fb1a0cc6405b378"
             ],
-            "version": "==1.8.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==1.11.0"
         },
         "pytest": {
             "hashes": [
@@ -139,10 +172,11 @@
         },
         "pytest-forked": {
             "hashes": [
-                "sha256:1805699ed9c9e60cb7a8179b8d4fa2b8898098e82d229b0825d8095f0f261100",
-                "sha256:1ae25dba8ee2e56fb47311c9638f9e58552691da87e82d25b0ce0e4bf52b7d87"
+                "sha256:8b67587c8f98cbbadfdd804539ed5455b6ed03802203485dd2f53c1422d7440e",
+                "sha256:bbbb6717efc886b9d64537b41fb1497cfaf3c9601276be8da2cccfea5a3c8ad8"
             ],
-            "version": "==1.1.3"
+            "markers": "python_version >= '3.6'",
+            "version": "==1.4.0"
         },
         "pytest-rerunfailures": {
             "hashes": [
@@ -168,26 +202,45 @@
             "index": "pypi",
             "version": "==3.141.0"
         },
+        "setuptools": {
+            "hashes": [
+                "sha256:22c7348c6d2976a52632c67f7ab0cdf40147db7789f9aed18734643fe9cf3373",
+                "sha256:4ce92f1e1f8f01233ee9952c04f6b81d1e02939d6e1b488428154974a4d0783e"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==59.6.0"
+        },
         "six": {
             "hashes": [
-                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
-                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
+                "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
+                "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.16.0"
+        },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:4ca091dea149f945ec56afb48dae714f21e8692ef22a395223bcd328961b6a0e",
+                "sha256:7f001e5ac290a0c0401508864c7ec868be4e701886d5b573a9528ed3973d9d3b"
             ],
-            "version": "==1.12.0"
+            "markers": "python_version < '3.8'",
+            "version": "==4.0.1"
         },
         "urllib3": {
             "hashes": [
-                "sha256:3de946ffbed6e6746608990594d08faac602528ac7015ac28d33cee6a45b7398",
-                "sha256:9a107b99a5393caf59c7aa3c1249c16e6879447533d0887f4336dde834c7be86"
+                "sha256:4987c65554f7a2dbf30c18fd48778ef124af6fab771a377103da0585e2336ece",
+                "sha256:c4fdf4019605b6e5423637e01bc9fe4daef873709a7973e195ceba0a62bbc844"
             ],
-            "version": "==1.25.6"
+            "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"
         },
         "zipp": {
             "hashes": [
-                "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e",
-                "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"
+                "sha256:71c644c5369f4a6e07636f0aa966270449561fcea2e3d6747b8d23efaa9d7832",
+                "sha256:9fe5ea21568a0a70e50f273397638d39b03353731e6cbbb3fd8502a33fec40bc"
             ],
-            "version": "==0.6.0"
+            "markers": "python_version >= '3.6'",
+            "version": "==3.6.0"
         }
     },
     "develop": {
@@ -196,6 +249,7 @@
                 "sha256:589f874b313739ad35be6e0cd7efde2a4e9b6fea91edcc34e58ecbb8dbe56d19",
                 "sha256:c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451"
             ],
+            "markers": "python_version >= '2.7'",
             "version": "==0.3"
         },
         "flake8": {
@@ -225,6 +279,7 @@
                 "sha256:95a2219d12372f05704562a14ec30bc76b05a5b297b21a5dfe3f6fac3491ae56",
                 "sha256:e40a936c9a450ad81df37f549d676d127b1b66000a6c500caa2b085bc0ca976c"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.5.0"
         },
         "pyflakes": {
@@ -232,6 +287,7 @@
                 "sha256:17dbeb2e3f4d772725c777fabc446d5634d1038f234e77343108ce445ea69ce0",
                 "sha256:d976835886f8c5b31d47970ed689944a0262b5f3afa00a5a7b4dc81e5449f8a2"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.1.1"
         }
     }