diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..dffa5c5
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,6 @@
+repos:
+  - repo: https://github.com/psf/black
+    rev: 20.8b1
+    hooks:
+      - id: black
+        types: [python]
diff --git a/Pipfile b/Pipfile
index c0b7898..43ca0e1 100644
--- a/Pipfile
+++ b/Pipfile
@@ -5,11 +5,12 @@ name = "pypi"
 
 [packages]
 responder = {editable = true, path = "."}
+pre-commit = "*"
 
 [dev-packages]
 pytest = "*"
 "flake8" = "*"
-black = "*"
+black = "==20.8b1"
 twine = "*"
 flask = "*"
 sphinx = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 6fa1c1e..683076a 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "ea12c0d556a3ca0848b0eba291a11a5ea98a701f0885c2d030b2aeb1e5b9c15f"
+            "sha256": "ee285c180907ceda17b79606c8e0d19c5fad77c0cf60dcdc6fc8a0df54dfd9de"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -16,10 +16,10 @@
     "default": {
         "aiofiles": {
             "hashes": [
-                "sha256:021ea0ba314a86027c166ecc4b4c07f2d40fc0f4b3a950d1868a0f2571c2bbee",
-                "sha256:1e644c2573f953664368de28d2aa4c89dfd64550429d0c27c4680ccd3aa4985d"
+                "sha256:bd3019af67f83b739f8e4053c6c0512a7f545b9a8d91aaeab55e6e0f9d123c27",
+                "sha256:e0281b157d3d5d59d803e3f4557dcc9a3dff28a4dd4829a9ff478adae50ca092"
             ],
-            "version": "==0.4.0"
+            "version": "==0.6.0"
         },
         "aniso8601": {
             "hashes": [
@@ -30,23 +30,40 @@
         },
         "apispec": {
             "hashes": [
-                "sha256:419d0564b899e182c2af50483ea074db8cb05fee60838be58bb4542095d5c08d",
-                "sha256:9bf4e51d56c9067c60668b78210ae213894f060f85593dc2ad8805eb7d875a2a"
+                "sha256:20d271f7c8d130719be223fdb122af391ff8d59fb24958c793f632305b87f8ed",
+                "sha256:360e28e5e84a4d7023b16de2b897327fe3da63ddc8e01f9165b9113b7fe1c48a"
             ],
-            "version": "==3.3.0"
+            "markers": "python_version >= '3.6'",
+            "version": "==4.0.0"
         },
         "apistar": {
             "hashes": [
                 "sha256:8da0d3f15748c8ed6e68914ba5b8f6dd5dff5afbe137950d07103575df0bce73"
             ],
+            "markers": "python_version >= '3.6'",
             "version": "==0.7.2"
         },
+        "appdirs": {
+            "hashes": [
+                "sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41",
+                "sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128"
+            ],
+            "version": "==1.4.4"
+        },
         "certifi": {
             "hashes": [
-                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
-                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
+                "sha256:1f422849db327d534e3d0c5f02a263458c3955ec0aae4ff09b95f195c59f4edd",
+                "sha256:f05def092c44fbf25834a51509ef6e631dc19765ab8a57b4e7ab85531f0a9cf4"
             ],
-            "version": "==2019.11.28"
+            "version": "==2020.11.8"
+        },
+        "cfgv": {
+            "hashes": [
+                "sha256:32e43d604bbe7896fe7c248a9c2276447dbef840feb28fe20494f62af110211d",
+                "sha256:cf22deb93d4bcf92f345a5c3cd39d3d41d6340adc60c78bbbd6588c384fda6a1"
+            ],
+            "markers": "python_full_version >= '3.6.1'",
+            "version": "==3.2.0"
         },
         "chardet": {
             "hashes": [
@@ -57,10 +74,18 @@
         },
         "click": {
             "hashes": [
-                "sha256:2335065e6395b9e67ca716de5f7526736bfa6ceead690adf616d925bdc622b13",
-                "sha256:5b94b49521f6456670fdb30cd82a4eca9412788a93fa6dd6df72c94d5a8ff2d7"
+                "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
+                "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"
             ],
-            "version": "==7.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==7.1.2"
+        },
+        "distlib": {
+            "hashes": [
+                "sha256:8c09de2c67b3e7deef7184574fc060ab8a793e7adbb183d942c389c8b13c52fb",
+                "sha256:edf6116872c863e1aa9d5bb7cb5e05a022c519a4594dc703843343a9ddd9bff1"
+            ],
+            "version": "==0.3.1"
         },
         "docopt": {
             "hashes": [
@@ -68,6 +93,13 @@
             ],
             "version": "==0.6.2"
         },
+        "filelock": {
+            "hashes": [
+                "sha256:18d82244ee114f543149c66a6e0c14e9c4f8a1044b5cdaadd0f82159d6a6ff59",
+                "sha256:929b7d63ec5b7d6b71b0fa5ac14e030b3f70b75747cef1b10da9b879fef15836"
+            ],
+            "version": "==3.0.12"
+        },
         "graphene": {
             "hashes": [
                 "sha256:09165f03e1591b76bf57b133482db9be6dac72c74b0a628d3c93182af9c5a896",
@@ -77,10 +109,10 @@
         },
         "graphql-core": {
             "hashes": [
-                "sha256:74a8f509ae8c4a58271f5d6b46d5c75b4aed116821ab62dea252d8041bfe057a",
-                "sha256:c06e59153246dd48ddbf86ca94a8f045c1b71daf8154b4635e1a0e2e11d9b60b"
+                "sha256:44c9bac4514e5e30c5a595fac8e3c76c1975cae14db215e8174c7fe995825bad",
+                "sha256:aac46a9ac524c9855910c14c48fc5d60474def7f99fd10245e76608eba7af746"
             ],
-            "version": "==2.3.1"
+            "version": "==2.3.2"
         },
         "graphql-relay": {
             "hashes": [
@@ -91,55 +123,48 @@
         },
         "graphql-server-core": {
             "hashes": [
-                "sha256:04ee90da0322949f7b49ff6905688e3a21a9efbd5a7d7835997e431a0afdbd11"
+                "sha256:11fa8a434e1cd05d29709af29414b8b6f596925d26afe39eff33bd24a5f93605"
             ],
-            "version": "==1.2.0"
+            "version": "==2.0.0"
         },
         "h11": {
             "hashes": [
-                "sha256:33d4bca7be0fa039f4e84d50ab00531047e53d6ee8ffbc83501ea602c169cae1",
-                "sha256:4bc6d6a1238b7615b266ada57e0618568066f57dd6fa967d1290ec9309b2f2f1"
+                "sha256:3c6c61d69c6f13d41f1b80ab0322f1872702a3ba26e12aa864c928f6a43fbaab",
+                "sha256:ab6c335e1b6ef34b205d5ca3e228c9299cc7218b049819ec84a388c2525e5d87"
             ],
-            "version": "==0.9.0"
+            "version": "==0.11.0"
         },
-        "httptools": {
+        "identify": {
             "hashes": [
-                "sha256:0a4b1b2012b28e68306575ad14ad5e9120b34fccd02a81eb08838d7e3bbb48be",
-                "sha256:3592e854424ec94bd17dc3e0c96a64e459ec4147e6d53c0a42d0ebcef9cb9c5d",
-                "sha256:41b573cf33f64a8f8f3400d0a7faf48e1888582b6f6e02b82b9bd4f0bf7497ce",
-                "sha256:56b6393c6ac7abe632f2294da53f30d279130a92e8ae39d8d14ee2e1b05ad1f2",
-                "sha256:86c6acd66765a934e8730bf0e9dfaac6fdcf2a4334212bd4a0a1c78f16475ca6",
-                "sha256:96da81e1992be8ac2fd5597bf0283d832287e20cb3cfde8996d2b00356d4e17f",
-                "sha256:96eb359252aeed57ea5c7b3d79839aaa0382c9d3149f7d24dd7172b1bcecb009",
-                "sha256:a2719e1d7a84bb131c4f1e0cb79705034b48de6ae486eb5297a139d6a3296dce",
-                "sha256:ac0aa11e99454b6a66989aa2d44bca41d4e0f968e395a0a8f164b401fefe359a",
-                "sha256:bc3114b9edbca5a1eb7ae7db698c669eb53eb8afbbebdde116c174925260849c",
-                "sha256:fa3cd71e31436911a44620473e873a256851e1f53dee56669dae403ba41756a4",
-                "sha256:fea04e126014169384dee76a153d4573d90d0cbd1d12185da089f73c78390437"
+                "sha256:943cd299ac7f5715fcb3f684e2fc1594c1e0f22a90d15398e5888143bd4144b5",
+                "sha256:cc86e6a9a390879dcc2976cef169dd9cc48843ed70b7380f321d1b118163c60e"
             ],
-            "markers": "sys_platform != 'win32' and sys_platform != 'cygwin' and platform_python_implementation != 'PyPy'",
-            "version": "==0.1.1"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.5.10"
         },
         "idna": {
             "hashes": [
-                "sha256:7588d1c14ae4c77d74036e8c22ff447b26d0fde8f007354fd48a7814db15b7cb",
-                "sha256:a068a21ceac8a4d63dbfd964670474107f541babbd2250d61922f029858365fa"
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
-            "version": "==2.9"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.10"
         },
         "itsdangerous": {
             "hashes": [
                 "sha256:321b033d07f2a4136d3ec762eac9f16a10ccd60f53c0c91af90217ace7ba1f19",
                 "sha256:b12271b2047cb23eeb98c8b5622e2e5c5e9abd9784a153e9d8ef9cb4dd09d749"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.1.0"
         },
         "jinja2": {
             "hashes": [
-                "sha256:c10142f819c2d22bdcd17548c46fa9b77cf4fda45097854c689666bf425e7484",
-                "sha256:c922560ac46888d47384de1dbdc3daaa2ea993af4b26a436dec31fa2c19ec668"
+                "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0",
+                "sha256:f0a4641d3cf955324a89c04f3d94663aa4d638abe8f733ecd3582848e1c37035"
             ],
-            "version": "==3.0.0a1"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==2.11.2"
         },
         "markupsafe": {
             "hashes": [
@@ -177,14 +202,31 @@
                 "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7",
                 "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be"
             ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.1.1"
         },
         "marshmallow": {
             "hashes": [
-                "sha256:90854221bbb1498d003a0c3cc9d8390259137551917961c8b5258c64026b2f85",
-                "sha256:ac2e13b30165501b7d41fc0371b8df35944f5849769d136f20e2c5f6cdc6e665"
+                "sha256:73facc37462dfc0b27f571bdaffbef7709e19f7a616beb3802ea425b07843f4e",
+                "sha256:e26763201474b588d144dae9a32bdd945cd26a06c943bc746a6882e850475378"
             ],
-            "version": "==3.5.1"
+            "markers": "python_version >= '3.5'",
+            "version": "==3.9.1"
+        },
+        "nodeenv": {
+            "hashes": [
+                "sha256:5304d424c529c997bc888453aeaa6362d242b6b4631e90f3d4bf1b290f1c84a9",
+                "sha256:ab45090ae383b716c4ef89e690c41ff8c2b257b85b309f01f3654df3d084bd7c"
+            ],
+            "version": "==1.5.0"
+        },
+        "pre-commit": {
+            "hashes": [
+                "sha256:949b13efb7467ae27e2c8f9e83434dacf2682595124d8902554a4e18351e5781",
+                "sha256:e31c04bc23741194a7c0b983fe512801e151a0638c6001c49f2bd034f8a664a1"
+            ],
+            "index": "pypi",
+            "version": "==2.9.2"
         },
         "promise": {
             "hashes": [
@@ -200,26 +242,29 @@
         },
         "pyyaml": {
             "hashes": [
-                "sha256:059b2ee3194d718896c0ad077dd8c043e5e909d9180f387ce42012662a4946d6",
-                "sha256:1cf708e2ac57f3aabc87405f04b86354f66799c8e62c28c5fc5f88b5521b2dbf",
-                "sha256:24521fa2890642614558b492b473bee0ac1f8057a7263156b02e8b14c88ce6f5",
-                "sha256:4fee71aa5bc6ed9d5f116327c04273e25ae31a3020386916905767ec4fc5317e",
-                "sha256:70024e02197337533eef7b85b068212420f950319cc8c580261963aefc75f811",
-                "sha256:74782fbd4d4f87ff04159e986886931456a1894c61229be9eaf4de6f6e44b99e",
-                "sha256:940532b111b1952befd7db542c370887a8611660d2b9becff75d39355303d82d",
-                "sha256:cb1f2f5e426dc9f07a7681419fe39cee823bb74f723f36f70399123f439e9b20",
-                "sha256:dbbb2379c19ed6042e8f11f2a2c66d39cceb8aeace421bfc29d085d93eda3689",
-                "sha256:e3a057b7a64f1222b56e47bcff5e4b94c4f61faac04c7c4ecb1985e18caa3994",
-                "sha256:e9f45bd5b92c7974e59bcd2dcc8631a6b6cc380a904725fce7bc08872e691615"
+                "sha256:06a0d7ba600ce0b2d2fe2e78453a470b5a6e000a985dd4a4e54e436cc36b0e97",
+                "sha256:240097ff019d7c70a4922b6869d8a86407758333f02203e0fc6ff79c5dcede76",
+                "sha256:4f4b913ca1a7319b33cfb1369e91e50354d6f07a135f3b901aca02aa95940bd2",
+                "sha256:6034f55dab5fea9e53f436aa68fa3ace2634918e8b5994d82f3621c04ff5ed2e",
+                "sha256:69f00dca373f240f842b2931fb2c7e14ddbacd1397d57157a9b005a6a9942648",
+                "sha256:73f099454b799e05e5ab51423c7bcf361c58d3206fa7b0d555426b1f4d9a3eaf",
+                "sha256:74809a57b329d6cc0fdccee6318f44b9b8649961fa73144a98735b0aaf029f1f",
+                "sha256:7739fc0fa8205b3ee8808aea45e968bc90082c10aef6ea95e855e10abf4a37b2",
+                "sha256:95f71d2af0ff4227885f7a6605c37fd53d3a106fcab511b8860ecca9fcf400ee",
+                "sha256:ad9c67312c84def58f3c04504727ca879cb0013b2517c85a9a253f0cb6380c0a",
+                "sha256:b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d",
+                "sha256:cc8955cfbfc7a115fa81d85284ee61147059a753344bc51098f3ccd69b0d7e0c",
+                "sha256:d13155f591e6fcc1ec3b30685d50bf0711574e2c0dfffd7644babf8b5102ca1a"
             ],
-            "version": "==5.3"
+            "version": "==5.3.1"
         },
         "requests": {
             "hashes": [
-                "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee",
-                "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"
+                "sha256:7f1a0b932f4a60a1a65caa4263921bb7d9ee911957e0ae4a23a6dd08185ad5f8",
+                "sha256:e786fa28d8c9154e6a4de5d46a1d921b8749f8b74e28bde23768e5e16eece998"
             ],
-            "version": "==2.23.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==2.25.0"
         },
         "requests-toolbelt": {
             "hashes": [
@@ -234,10 +279,10 @@
         },
         "rfc3986": {
             "hashes": [
-                "sha256:0344d0bd428126ce554e7ca2b61787b6a28d2bbd19fc70ed2dd85efe31176405",
-                "sha256:df4eba676077cefb86450c8f60121b9ae04b94f65f85b69f3f731af0516b7b18"
+                "sha256:112398da31a3344dc25dbf477d8df6cb34f9278a94fee2625d89e4514be8bb9d",
+                "sha256:af9147e9aceda37c91a05f4deb128d4b4b49d6b199775fd2d2927768abdc8f50"
             ],
-            "version": "==1.3.2"
+            "version": "==1.4.0"
         },
         "rx": {
             "hashes": [
@@ -248,86 +293,64 @@
         },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
+                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "version": "==1.14.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.15.0"
         },
         "starlette": {
             "hashes": [
-                "sha256:6169ee78ded501095d1dda7b141a1dc9f9934d37ad23196e180150ace2c6449b",
-                "sha256:a9bb130fa7aa736eda8a814b6ceb85ccf7a209ed53843d0d61e246b380afa10f"
+                "sha256:40afea6ffa830849800cc4efdf006a86ad579d6ba6b64cb1925a1897b020ba6e",
+                "sha256:82df29b2149437ad828a883674bf031788600c876dae50835e98398bd1706183"
             ],
-            "version": "==0.13.2"
+            "markers": "python_version >= '3.6'",
+            "version": "==0.13.8"
+        },
+        "toml": {
+            "hashes": [
+                "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"
         },
         "typesystem": {
             "hashes": [
                 "sha256:ba2bd10f1c5844d08dd8841e777bdee55bfca569bf21cb96cd0f91e0a4f66cd8"
             ],
+            "markers": "python_version >= '3.6'",
             "version": "==0.2.4"
         },
         "urllib3": {
             "hashes": [
-                "sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc",
-                "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"
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+            "version": "==1.26.2"
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+            "version": "==0.12.3"
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-            "version": "==8.1"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==20.2.1"
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         "whitenoise": {
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-                "sha256:62556265ec1011bd87113fb81b7516f52688887b7a010ee899ff1fd18fd22700"
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-            "version": "==5.0.1"
+            "version": "==5.2.0"
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     },
     "develop": {
@@ -340,46 +363,48 @@
         },
         "appdirs": {
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-            "version": "==1.4.3"
+            "version": "==1.4.4"
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         "attrs": {
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+                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
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-            "version": "==19.3.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==20.3.0"
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         "babel": {
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-                "sha256:d670ea0b10f8b723672d3a6abeb87b565b244da220d76b4dba1b66269ec152d4"
+                "sha256:9d35c22fcc79893c3ecc85ac4a56cde1ecf3f19c540bba0922308a6c06ca6fa5",
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-            "version": "==2.8.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.9.0"
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         "black": {
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-                "sha256:c2edb73a08e9e0e6f65a0e6af18b059b8b1cdd5bef997d7a0b181df93dc81539"
+                "sha256:1c02557aa099101b9d21496f8a914e9ed2222ef70336404eeeac8edba836fbea"
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-            "version": "==19.10b0"
+            "version": "==20.8b1"
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-            "version": "==3.1.1"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==3.2.1"
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         "certifi": {
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-                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
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-            "version": "==2019.11.28"
+            "version": "==2020.11.8"
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         "chardet": {
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@@ -390,119 +415,130 @@
         },
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+            "version": "==7.1.2"
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@@ -540,14 +576,16 @@
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@@ -556,138 +594,166 @@
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+                "sha256:8f6a2229e8ad946e36815f2a03386bb8353d4bde368fdf8ca5f0cb97264d3b5c",
+                "sha256:9801c4c1d9ae6a70aeb2128e5b4b68c45d4f0af0d1535500884d644fa9b768c6",
+                "sha256:a15f64ae3a027b64496a71ab1f722355e570c3fac5ba2801cafce846bf5af01d",
+                "sha256:a3d748383762e56337c39ab35c6ed4deb88df5326f97a38946ddd19028ecce6b",
+                "sha256:a63f1a07932c9686d2d416fb295ec2c01ab246e89b4d58e5fa468089cab44b70",
+                "sha256:b2b1a5ddae3677d89b686e5c625fc5547c6e492bd755b520de5332773a8af06b",
+                "sha256:b2f4007bff007c96a173e24dcda236e5e83bde4358a557f9ccf5e014439eae4b",
+                "sha256:baf378ba6151f6e272824b86a774326f692bc2ef4cc5ce8d5bc76e38c813a55f",
+                "sha256:bafb01b4688833e099d79e7efd23f99172f501a15c44f21ea2118681473fdba0",
+                "sha256:bba349276b126947b014e50ab3316c027cac1495992f10e5682dc677b3dfa0c5",
+                "sha256:c084582d4215593f2f1d28b65d2a2f3aceff8342aa85afd7be23a9cad74a0de5",
+                "sha256:d1ebb090a426db66dd80df8ca85adc4abfcbad8a7c2e9a5ec7513ede522e0a8f",
+                "sha256:d2d8ce12b7c12c87e41123997ebaf1a5767a5be3ec545f64675388970f415e2e",
+                "sha256:e32f5f3d1b1c663af7f9c4c1e72e6ffe9a78c03a31e149259f531e0fed826512",
+                "sha256:e3faaf10a0d1e8e23a9b51d1900b72e1635c2d5b0e1bea1c18022486a8e2e52d",
+                "sha256:f7d29a6fc4760300f86ae329e3b6ca28ea9c20823df123a2ea8693e967b29917",
+                "sha256:f8f295db00ef5f8bae530fc39af0b40486ca6068733fb860b42115052206466f"
             ],
-            "version": "==2020.2.20"
+            "version": "==2020.11.13"
         },
         "requests": {
             "hashes": [
-                "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee",
-                "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"
+                "sha256:7f1a0b932f4a60a1a65caa4263921bb7d9ee911957e0ae4a23a6dd08185ad5f8",
+                "sha256:e786fa28d8c9154e6a4de5d46a1d921b8749f8b74e28bde23768e5e16eece998"
             ],
-            "version": "==2.23.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==2.25.0"
         },
         "requests-toolbelt": {
             "hashes": [
@@ -696,12 +762,20 @@
             ],
             "version": "==0.9.1"
         },
+        "rfc3986": {
+            "hashes": [
+                "sha256:112398da31a3344dc25dbf477d8df6cb34f9278a94fee2625d89e4514be8bb9d",
+                "sha256:af9147e9aceda37c91a05f4deb128d4b4b49d6b199775fd2d2927768abdc8f50"
+            ],
+            "version": "==1.4.0"
+        },
         "six": {
             "hashes": [
-                "sha256:236bdbdce46e6e6a3d61a337c0f8b763ca1e8717c03b369e87a7ec7ce1319c0a",
-                "sha256:8f3cd2e254d8f793e7f3d6d9df77b92252b52637291d0f0da013c76ea2724b6c"
+                "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
+                "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "version": "==1.14.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.15.0"
         },
         "snowballstemmer": {
             "hashes": [
@@ -712,17 +786,18 @@
         },
         "sphinx": {
             "hashes": [
-                "sha256:b4c750d546ab6d7e05bdff6ac24db8ae3e8b8253a3569b754e445110a0a12b66",
-                "sha256:fc312670b56cb54920d6cc2ced455a22a547910de10b3142276495ced49231cb"
+                "sha256:1e8d592225447104d1172be415bc2972bd1357e3e12fdc76edf2261105db4300",
+                "sha256:d4e59ad4ea55efbb3c05cde3bfc83bfc14f0c95aa95c3d75346fcce186a47960"
             ],
             "index": "pypi",
-            "version": "==2.4.4"
+            "version": "==3.3.1"
         },
         "sphinxcontrib-applehelp": {
             "hashes": [
                 "sha256:806111e5e962be97c29ec4c1e7fe277bfd19e9652fb1a4392105b43e01af885a",
                 "sha256:a072735ec80e7675e3f432fcae8610ecf509c5f1869d17e2eecff44389cdbc58"
             ],
+            "markers": "python_version >= '3.5'",
             "version": "==1.0.2"
         },
         "sphinxcontrib-devhelp": {
@@ -730,6 +805,7 @@
                 "sha256:8165223f9a335cc1af7ffe1ed31d2871f325254c0423bc0c4c7cd1c1e4734a2e",
                 "sha256:ff7f1afa7b9642e7060379360a67e9c41e8f3121f2ce9164266f61b9f4b338e4"
             ],
+            "markers": "python_version >= '3.5'",
             "version": "==1.0.2"
         },
         "sphinxcontrib-htmlhelp": {
@@ -737,6 +813,7 @@
                 "sha256:3c0bc24a2c41e340ac37c85ced6dafc879ab485c095b1d65d2461ac2f7cca86f",
                 "sha256:e8f5bb7e31b2dbb25b9cc435c8ab7a79787ebf7f906155729338f3156d93659b"
             ],
+            "markers": "python_version >= '3.5'",
             "version": "==1.0.3"
         },
         "sphinxcontrib-jsmath": {
@@ -744,6 +821,7 @@
                 "sha256:2ec2eaebfb78f3f2078e73666b1415417a116cc848b72e5172e596c871103178",
                 "sha256:a9925e4a4587247ed2191a22df5f6970656cb8ca2bd6284309578f2153e0c4b8"
             ],
+            "markers": "python_version >= '3.5'",
             "version": "==1.0.1"
         },
         "sphinxcontrib-qthelp": {
@@ -751,6 +829,7 @@
                 "sha256:4c33767ee058b70dba89a6fc5c1892c0d57a54be67ddd3e7875a18d14cba5a72",
                 "sha256:bd9fc24bcb748a8d51fd4ecaade681350aa63009a347a8c14e637895444dfab6"
             ],
+            "markers": "python_version >= '3.5'",
             "version": "==1.0.3"
         },
         "sphinxcontrib-serializinghtml": {
@@ -758,69 +837,83 @@
                 "sha256:eaa0eccc86e982a9b939b2b82d12cc5d013385ba5eadcc7e4fed23f4405f77bc",
                 "sha256:f242a81d423f59617a8e5cf16f5d4d74e28ee9a66f9e5b637a18082991db5a9a"
             ],
+            "markers": "python_version >= '3.5'",
             "version": "==1.1.4"
         },
         "toml": {
             "hashes": [
-                "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
-                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"
+                "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
+                "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
             ],
-            "version": "==0.10.0"
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==0.10.2"
         },
         "tqdm": {
             "hashes": [
-                "sha256:0d8b5afb66e23d80433102e9bd8b5c8b65d34c2a2255b2de58d97bd2ea8170fd",
-                "sha256:f35fb121bafa030bd94e74fcfd44f3c2830039a2ddef7fc87ef1c2d205237b24"
+                "sha256:5c0d04e06ccc0da1bd3fa5ae4550effcce42fcad947b4a6cafa77bdc9b09ff22",
+                "sha256:9e7b8ab0ecbdbf0595adadd5f0ebbb9e69010e0bd48bbb0c15e550bf2a5292df"
             ],
-            "version": "==4.43.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==4.54.0"
         },
         "twine": {
             "hashes": [
-                "sha256:c1af8ca391e43b0a06bbc155f7f67db0bf0d19d284bfc88d1675da497a946124",
-                "sha256:d561a5e511f70275e5a485a6275ff61851c16ffcb3a95a602189161112d9f160"
+                "sha256:34352fd52ec3b9d29837e6072d5a2a7c6fe4290e97bba46bb8d478b5c598f7ab",
+                "sha256:ba9ff477b8d6de0c89dd450e70b2185da190514e91c42cc62f96850025c10472"
             ],
             "index": "pypi",
-            "version": "==3.1.1"
+            "version": "==3.2.0"
         },
         "typed-ast": {
             "hashes": [
                 "sha256:0666aa36131496aed8f7be0410ff974562ab7eeac11ef351def9ea6fa28f6355",
                 "sha256:0c2c07682d61a629b68433afb159376e24e5b2fd4641d35424e462169c0a7919",
+                "sha256:0d8110d78a5736e16e26213114a38ca35cb15b6515d535413b090bd50951556d",
                 "sha256:249862707802d40f7f29f6e1aad8d84b5aa9e44552d2cc17384b209f091276aa",
                 "sha256:24995c843eb0ad11a4527b026b4dde3da70e1f2d8806c99b7b4a7cf491612652",
                 "sha256:269151951236b0f9a6f04015a9004084a5ab0d5f19b57de779f908621e7d8b75",
+                "sha256:3742b32cf1c6ef124d57f95be609c473d7ec4c14d0090e5a5e05a15269fb4d0c",
                 "sha256:4083861b0aa07990b619bd7ddc365eb7fa4b817e99cf5f8d9cf21a42780f6e01",
                 "sha256:498b0f36cc7054c1fead3d7fc59d2150f4d5c6c56ba7fb150c013fbc683a8d2d",
                 "sha256:4e3e5da80ccbebfff202a67bf900d081906c358ccc3d5e3c8aea42fdfdfd51c1",
                 "sha256:6daac9731f172c2a22ade6ed0c00197ee7cc1221aa84cfdf9c31defeb059a907",
                 "sha256:715ff2f2df46121071622063fc7543d9b1fd19ebfc4f5c8895af64a77a8c852c",
                 "sha256:73d785a950fc82dd2a25897d525d003f6378d1cb23ab305578394694202a58c3",
+                "sha256:7e4c9d7658aaa1fc80018593abdf8598bf91325af6af5cce4ce7c73bc45ea53d",
                 "sha256:8c8aaad94455178e3187ab22c8b01a3837f8ee50e09cf31f1ba129eb293ec30b",
                 "sha256:8ce678dbaf790dbdb3eba24056d5364fb45944f33553dd5869b7580cdbb83614",
+                "sha256:92c325624e304ebf0e025d1224b77dd4e6393f18aab8d829b5b7e04afe9b7a2c",
                 "sha256:aaee9905aee35ba5905cfb3c62f3e83b3bec7b39413f0a7f19be4e547ea01ebb",
+                "sha256:b52ccf7cfe4ce2a1064b18594381bccf4179c2ecf7f513134ec2f993dd4ab395",
                 "sha256:bcd3b13b56ea479b3650b82cabd6b5343a625b0ced5429e4ccad28a8973f301b",
                 "sha256:c9e348e02e4d2b4a8b2eedb48210430658df6951fa484e59de33ff773fbd4b41",
                 "sha256:d205b1b46085271b4e15f670058ce182bd1199e56b317bf2ec004b6a44f911f6",
                 "sha256:d43943ef777f9a1c42bf4e552ba23ac77a6351de620aa9acf64ad54933ad4d34",
                 "sha256:d5d33e9e7af3b34a40dc05f498939f0ebf187f07c385fd58d591c533ad8562fe",
+                "sha256:d648b8e3bf2fe648745c8ffcee3db3ff903d0817a01a12dd6a6ea7a8f4889072",
+                "sha256:f208eb7aff048f6bea9586e61af041ddf7f9ade7caed625742af423f6bae3298",
+                "sha256:fac11badff8313e23717f3dada86a15389d0708275bddf766cca67a84ead3e91",
                 "sha256:fc0fea399acb12edbf8a628ba8d2312f583bdbdb3335635db062fa98cf71fca4",
+                "sha256:fcf135e17cc74dbfbc05894ebca928ffeb23d9790b3167a674921db19082401f",
                 "sha256:fe460b922ec15dd205595c9b5b99e2f056fd98ae8f9f56b888e7a17dc2b757e7"
             ],
             "version": "==1.4.1"
         },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918",
+                "sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c",
+                "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"
+            ],
+            "version": "==3.7.4.3"
+        },
         "urllib3": {
             "hashes": [
-                "sha256:2f3db8b19923a873b3e5256dc9c2dedfa883e33d87c690d9c7913e1f40673cdc",
-                "sha256:87716c2d2a7121198ebcb7ce7cccf6ce5e9ba539041cfbaeecfb641dc0bf6acc"
+                "sha256:19188f96923873c92ccb987120ec4acaa12f0461fa9ce5d3d0772bc965a39e08",
+                "sha256:d8ff90d979214d7b4f8ce956e80f4028fc6860e4431f731ea4a8c08f23f99473"
             ],
-            "version": "==1.25.8"
-        },
-        "wcwidth": {
-            "hashes": [
-                "sha256:8fd29383f539be45b20bd4df0dc29c20ba48654a41e661925e612311e9f3c603",
-                "sha256:f28b3e8a6483e5d49e7f8949ac1a78314e740333ae305b4ba5defd3e74fb37a8"
-            ],
-            "version": "==0.1.8"
+            "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": "==1.26.2"
         },
         "webencodings": {
             "hashes": [
@@ -831,17 +924,11 @@
         },
         "werkzeug": {
             "hashes": [
-                "sha256:169ba8a33788476292d04186ab33b01d6add475033dfc07215e6d219cc077096",
-                "sha256:6dc65cf9091cf750012f56f2cad759fa9e879f511b5ff8685e456b4e3bf90d16"
+                "sha256:2de2a5db0baeae7b2d2664949077c2ac63fbd16d98da0ff71837f7d1dea3fd43",
+                "sha256:6c80b1e5ad3665290ea39320b91e1be1e0d5f60652b964a3070216de83d2e47c"
             ],
-            "version": "==1.0.0"
-        },
-        "zipp": {
-            "hashes": [
-                "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b",
-                "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"
-            ],
-            "version": "==3.1.0"
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
+            "version": "==1.0.1"
         }
     }
 }
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..b0471b7
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta:__legacy__"
\ No newline at end of file