diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7adc892..63e7d7c 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,44 +1,231 @@
--i https://pypi.org/simple
-appdirs==1.4.4
-attrs==20.2.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-backcall==0.2.0
-black==19.10b0
-certifi==2020.6.20
-chardet==3.0.4
-click==7.1.2; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
-decorator==4.4.2
-falcon==2.0.0
-flake8==3.8.3
-gunicorn==20.0.4
-idna==2.10; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-iniconfig==1.0.1
-ipython-genutils==0.2.0
-ipython==7.18.1
-isort==5.5.3
-jedi==0.17.2; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'
-mccabe==0.6.1
-packaging==20.4; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-parso==0.7.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-pathspec==0.8.0
-pexpect==4.8.0; sys_platform != 'win32'
-pickleshare==0.7.5
-pluggy==0.13.1; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-prompt-toolkit==3.0.7; python_full_version >= '3.6.1'
-psycopg2-binary==2.8.6
-ptyprocess==0.6.0
-py==1.9.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-pycodestyle==2.6.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-pyflakes==2.2.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-pygments==2.7.1; python_version >= '3.5'
-pyparsing==2.4.7; python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'
-pytest-clarity==0.3.0a0
-pytest==6.1.0
-regex==2020.9.27
-requests==2.24.0
-six==1.15.0; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-termcolor==1.1.0
-toml==0.10.1
-traitlets==5.0.4; python_version >= '3.7'
-typed-ast==1.4.1
-urllib3==1.25.10; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'
-wcwidth==0.2.5
+appdirs==1.4.4 \
+    --hash=sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128 \
+    --hash=sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41
+appnope==0.1.0; python_version >= "3.7" and python_version < "4.0" and sys_platform == "darwin" \
+    --hash=sha256:5b26757dc6f79a3b7dc9fab95359328d5747fcb2409d331ea66d0272b90ab2a0 \
+    --hash=sha256:8b995ffe925347a2138d7ac0fe77155e4311a0ea6d6da4f5128fe4b3cbe5ed71
+atomicwrites==1.4.0; sys_platform == "win32" \
+    --hash=sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197 \
+    --hash=sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a
+attrs==20.2.0 \
+    --hash=sha256:fce7fc47dfc976152e82d53ff92fa0407700c21acd20886a13777a0d20e655dc \
+    --hash=sha256:26b54ddbbb9ee1d34d5d3668dd37d6cf74990ab23c828c2888dccdceee395594
+backcall==0.2.0; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:fbbce6a29f263178a1f7915c1940bde0ec2b2a967566fe1c65c1dfb7422bd255 \
+    --hash=sha256:5cbdbf27be5e7cfadb448baf0aa95508f91f2bbc6c6437cd9cd06e2a4c215e1e
+black==20.8b1 \
+    --hash=sha256:1c02557aa099101b9d21496f8a914e9ed2222ef70336404eeeac8edba836fbea
+certifi==2020.6.20 \
+    --hash=sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41 \
+    --hash=sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3
+chardet==3.0.4 \
+    --hash=sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691 \
+    --hash=sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae
+click==7.1.2 \
+    --hash=sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc \
+    --hash=sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a
+colorama==0.4.3; python_version >= "3.7" and python_version < "4.0" and sys_platform == "win32" or sys_platform == "win32" \
+    --hash=sha256:7d73d2a99753107a36ac6b455ee49046802e59d9d076ef8e47b61499fa29afff \
+    --hash=sha256:e96da0d330793e2cb9485e9ddfd918d456036c7149416295932478192f4436a1
+dataclasses==0.6; python_version < "3.7" \
+    --hash=sha256:454a69d788c7fda44efd71e259be79577822f5e3f53f029a22d08004e951dc9f \
+    --hash=sha256:6988bd2b895eef432d562370bb707d540f32f7360ab13da45340101bc2307d84
+decorator==4.4.2; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:41fa54c2a0cc4ba648be4fd43cff00aedf5b9465c9bf18d64325bc225f08f760 \
+    --hash=sha256:e3a62f0520172440ca0dcc823749319382e377f37f140a0b99ef45fecb84bfe7
+falcon==2.0.0 \
+    --hash=sha256:733033ec80c896e30a43ab3e776856096836787197a44eb21022320a61311983 \
+    --hash=sha256:f93351459f110b4c1ee28556aef9a791832df6f910bea7b3f616109d534df06b \
+    --hash=sha256:e9efa0791b5d9f9dd9689015ea6bce0a27fcd5ecbcd30e6d940bffa4f7f03389 \
+    --hash=sha256:59d1e8c993b9a37ea06df9d72cf907a46cc8063b30717cdac2f34d1658b6f936 \
+    --hash=sha256:a5ebb22a04c9cc65081938ee7651b4e3b4d2a28522ea8ec04c7bdd2b3e9e8cd8 \
+    --hash=sha256:95bf6ce986c1119aef12c9b348f4dee9c6dcc58391bdd0bc2b0bf353c2b15986 \
+    --hash=sha256:aa184895d1ad4573fbfaaf803563d02f019ebdf4790e41cc568a330607eae439 \
+    --hash=sha256:74cf1d18207381c665b9e6292d65100ce146d958707793174b03869dc6e614f4 \
+    --hash=sha256:24adcd2b29a8ffa9d552dc79638cd21736a3fb04eda7d102c6cebafdaadb88ad \
+    --hash=sha256:18157af2a4fc3feedf2b5dcc6196f448639acf01c68bc33d4d5a04c3ef87f494 \
+    --hash=sha256:e3782b7b92fefd46a6ad1fd8fe63fe6c6f1b7740a95ca56957f48d1aee34b357 \
+    --hash=sha256:9712975adcf8c6e12876239085ad757b8fdeba223d46d23daef82b47658f83a9 \
+    --hash=sha256:54f2cb4b687035b2a03206dbfc538055cc48b59a953187b0458aa1b574d47b53 \
+    --hash=sha256:eea593cf466b9c126ce667f6d30503624ef24459f118c75594a69353b6c3d5fc
+flake8==3.8.4 \
+    --hash=sha256:749dbbd6bfd0cf1318af27bf97a14e28e5ff548ef8e5b1566ccfb25a11e7c839 \
+    --hash=sha256:aadae8761ec651813c24be05c6f7b4680857ef6afaae4651a4eccaef97ce6c3b
+gunicorn==20.0.4 \
+    --hash=sha256:cd4a810dd51bf497552cf3f863b575dabd73d6ad6a91075b65936b151cbf4f9c \
+    --hash=sha256:1904bb2b8a43658807108d59c3f3d56c2b6121a701161de0ddf9ad140073c626
+idna==2.10 \
+    --hash=sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0 \
+    --hash=sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6
+importlib-metadata==2.0.0; python_version < "3.8" \
+    --hash=sha256:cefa1a2f919b866c5beb7c9f7b0ebb4061f30a8a9bf16d609b000e2dfaceb9c3 \
+    --hash=sha256:77a540690e24b0305878c37ffd421785a6f7e53c8b5720d211b211de8d0e95da
+iniconfig==1.0.1 \
+    --hash=sha256:80cf40c597eb564e86346103f609d74efce0f6b4d4f30ec8ce9e2c26411ba437 \
+    --hash=sha256:e5f92f89355a67de0595932a6c6c02ab4afddc6fcdc0bfc5becd0d60884d3f69
+ipython==7.18.1; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:2e22c1f74477b5106a6fb301c342ab8c64bb75d702e350f05a649e8cb40a0fb8 \
+    --hash=sha256:a331e78086001931de9424940699691ad49dfb457cea31f5471eae7b78222d5e
+ipython-genutils==0.2.0; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:72dd37233799e619666c9f639a9da83c34013a73e8bbc79a7a6348d93c61fab8 \
+    --hash=sha256:eb2e116e75ecef9d4d228fdc66af54269afa26ab4463042e33785b887c628ba8
+isort==5.5.4 \
+    --hash=sha256:36f0c6659b9000597e92618d05b72d4181104cf59472b1c6a039e3783f930c95 \
+    --hash=sha256:ba040c24d20aa302f78f4747df549573ae1eaf8e1084269199154da9c483f07f
+jedi==0.17.2; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:98cc583fa0f2f8304968199b01b6b4b94f469a1f4a74c1560506ca2a211378b5 \
+    --hash=sha256:86ed7d9b750603e4ba582ea8edc678657fb4007894a12bcf6f4bb97892f31d20
+mccabe==0.6.1 \
+    --hash=sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42 \
+    --hash=sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f
+mypy-extensions==0.4.3 \
+    --hash=sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d \
+    --hash=sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8
+packaging==20.4 \
+    --hash=sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181 \
+    --hash=sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8
+parso==0.7.1; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:97218d9159b2520ff45eb78028ba8b50d2bc61dcc062a9682666f2dc4bd331ea \
+    --hash=sha256:caba44724b994a8a5e086460bb212abc5a8bc46951bf4a9a1210745953622eb9
+pathspec==0.8.0 \
+    --hash=sha256:7d91249d21749788d07a2d0f94147accd8f845507400749ea19c1ec9054a12b0 \
+    --hash=sha256:da45173eb3a6f2a5a487efba21f050af2b41948be6ab52b6a1e3ff22bb8b7061
+pexpect==4.8.0; python_version >= "3.7" and python_version < "4.0" and sys_platform != "win32" \
+    --hash=sha256:0b48a55dcb3c05f3329815901ea4fc1537514d6ba867a152b581d69ae3710937 \
+    --hash=sha256:fc65a43959d153d0114afe13997d439c22823a27cefceb5ff35c2178c6784c0c
+pickleshare==0.7.5; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:9649af414d74d4df115d5d718f82acb59c9d418196b7b4290ed47a12ce62df56 \
+    --hash=sha256:87683d47965c1da65cdacaf31c8441d12b8044cdec9aca500cd78fc2c683afca
+pluggy==0.13.1 \
+    --hash=sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d \
+    --hash=sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0
+prompt-toolkit==3.0.7; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:83074ee28ad4ba6af190593d4d4c607ff525272a504eb159199b6dd9f950c950 \
+    --hash=sha256:822f4605f28f7d2ba6b0b09a31e25e140871e96364d1d377667b547bb3bf4489
+psycopg2-binary==2.8.6 \
+    --hash=sha256:11b9c0ebce097180129e422379b824ae21c8f2a6596b159c7659e2e5a00e1aa0 \
+    --hash=sha256:d14b140a4439d816e3b1229a4a525df917d6ea22a0771a2a78332273fd9528a4 \
+    --hash=sha256:1fabed9ea2acc4efe4671b92c669a213db744d2af8a9fc5d69a8e9bc14b7a9db \
+    --hash=sha256:f5ab93a2cb2d8338b1674be43b442a7f544a0971da062a5da774ed40587f18f5 \
+    --hash=sha256:b4afc542c0ac0db720cf516dd20c0846f71c248d2b3d21013aa0d4ef9c71ca25 \
+    --hash=sha256:e74a55f6bad0e7d3968399deb50f61f4db1926acf4a6d83beaaa7df986f48b1c \
+    --hash=sha256:0deac2af1a587ae12836aa07970f5cb91964f05a7c6cdb69d8425ff4c15d4e2c \
+    --hash=sha256:ad20d2eb875aaa1ea6d0f2916949f5c08a19c74d05b16ce6ebf6d24f2c9f75d1 \
+    --hash=sha256:950bc22bb56ee6ff142a2cb9ee980b571dd0912b0334aa3fe0fe3788d860bea2 \
+    --hash=sha256:b8a3715b3c4e604bcc94c90a825cd7f5635417453b253499664f784fc4da0152 \
+    --hash=sha256:d1b4ab59e02d9008efe10ceabd0b31e79519da6fb67f7d8e8977118832d0f449 \
+    --hash=sha256:ac0c682111fbf404525dfc0f18a8b5f11be52657d4f96e9fcb75daf4f3984859 \
+    --hash=sha256:7d92a09b788cbb1aec325af5fcba9fed7203897bbd9269d5691bb1e3bce29550 \
+    --hash=sha256:aaa4213c862f0ef00022751161df35804127b78adf4a2755b9f991a507e425fd \
+    --hash=sha256:c2507d796fca339c8fb03216364cca68d87e037c1f774977c8fc377627d01c71 \
+    --hash=sha256:ee69dad2c7155756ad114c02db06002f4cded41132cc51378e57aad79cc8e4f4 \
+    --hash=sha256:e82aba2188b9ba309fd8e271702bd0d0fc9148ae3150532bbb474f4590039ffb \
+    --hash=sha256:d5227b229005a696cc67676e24c214740efd90b148de5733419ac9aaba3773da \
+    --hash=sha256:a0eb43a07386c3f1f1ebb4dc7aafb13f67188eab896e7397aa1ee95a9c884eb2 \
+    --hash=sha256:e1f57aa70d3f7cc6947fd88636a481638263ba04a742b4a37dd25c373e41491a \
+    --hash=sha256:833709a5c66ca52f1d21d41865a637223b368c0ee76ea54ca5bad6f2526c7679 \
+    --hash=sha256:ba28584e6bca48c59eecbf7efb1576ca214b47f05194646b081717fa628dfddf \
+    --hash=sha256:6a32f3a4cb2f6e1a0b15215f448e8ce2da192fd4ff35084d80d5e39da683e79b \
+    --hash=sha256:0e4dc3d5996760104746e6cfcdb519d9d2cd27c738296525d5867ea695774e67 \
+    --hash=sha256:cec7e622ebc545dbb4564e483dd20e4e404da17ae07e06f3e780b2dacd5cee66 \
+    --hash=sha256:ba381aec3a5dc29634f20692349d73f2d21f17653bda1decf0b52b11d694541f \
+    --hash=sha256:a0c50db33c32594305b0ef9abc0cb7db13de7621d2cadf8392a1d9b3c437ef77 \
+    --hash=sha256:2dac98e85565d5688e8ab7bdea5446674a83a3945a8f416ad0110018d1501b94 \
+    --hash=sha256:bd1be66dde2b82f80afb9459fc618216753f67109b859a361cf7def5c7968729 \
+    --hash=sha256:8cd0fb36c7412996859cb4606a35969dd01f4ea34d9812a141cd920c3b18be77 \
+    --hash=sha256:42ec1035841b389e8cc3692277a0bd81cdfe0b65d575a2c8862cec7a80e62e52 \
+    --hash=sha256:7312e931b90fe14f925729cde58022f5d034241918a5c4f9797cac62f6b3a9dd
+ptyprocess==0.6.0; python_version >= "3.7" and python_version < "4.0" and sys_platform != "win32" \
+    --hash=sha256:d7cc528d76e76342423ca640335bd3633420dc1366f258cb31d05e865ef5ca1f \
+    --hash=sha256:923f299cc5ad920c68f2bc0bc98b75b9f838b93b599941a6b63ddbc2476394c0
+py==1.9.0 \
+    --hash=sha256:366389d1db726cd2fcfc79732e75410e5fe4d31db13692115529d34069a043c2 \
+    --hash=sha256:9ca6883ce56b4e8da7e79ac18787889fa5206c79dcc67fb065376cd2fe03f342
+pycodestyle==2.6.0 \
+    --hash=sha256:2295e7b2f6b5bd100585ebcb1f616591b652db8a741695b3d8f5d28bdc934367 \
+    --hash=sha256:c58a7d2815e0e8d7972bf1803331fb0152f867bd89adf8a01dfd55085434192e
+pyflakes==2.2.0 \
+    --hash=sha256:0d94e0e05a19e57a99444b6ddcf9a6eb2e5c68d3ca1e98e90707af8152c90a92 \
+    --hash=sha256:35b2d75ee967ea93b55750aa9edbbf72813e06a66ba54438df2cfac9e3c27fc8
+pygments==2.7.1; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:307543fe65c0947b126e83dd5a61bd8acbd84abec11f43caebaf5534cbc17998 \
+    --hash=sha256:926c3f319eda178d1bd90851e4317e6d8cdb5e292a3386aac9bd75eca29cf9c7
+pyparsing==2.4.7 \
+    --hash=sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b \
+    --hash=sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1
+pytest==6.1.1 \
+    --hash=sha256:7a8190790c17d79a11f847fba0b004ee9a8122582ebff4729a082c109e81a4c9 \
+    --hash=sha256:8f593023c1a0f916110285b6efd7f99db07d59546e3d8c36fc60e2ab05d3be92
+pytest-clarity==0.3.0a0 \
+    --hash=sha256:5cc99e3d9b7969dfe17e5f6072d45a917c59d363b679686d3c958a1ded2e4dcf
+regex==2020.9.27 \
+    --hash=sha256:d23a18037313714fb3bb5a94434d3151ee4300bae631894b1ac08111abeaa4a3 \
+    --hash=sha256:84e9407db1b2eb368b7ecc283121b5e592c9aaedbe8c78b1a2f1102eb2e21d19 \
+    --hash=sha256:5f18875ac23d9aa2f060838e8b79093e8bb2313dbaaa9f54c6d8e52a5df097be \
+    --hash=sha256:ae91972f8ac958039920ef6e8769277c084971a142ce2b660691793ae44aae6b \
+    --hash=sha256:9a02d0ae31d35e1ec12a4ea4d4cca990800f66a917d0fb997b20fbc13f5321fc \
+    --hash=sha256:ebbe29186a3d9b0c591e71b7393f1ae08c83cb2d8e517d2a822b8f7ec99dfd8b \
+    --hash=sha256:4707f3695b34335afdfb09be3802c87fa0bc27030471dbc082f815f23688bc63 \
+    --hash=sha256:9bc13e0d20b97ffb07821aa3e113f9998e84994fe4d159ffa3d3a9d1b805043b \
+    --hash=sha256:f1b3afc574a3db3b25c89161059d857bd4909a1269b0b3cb3c904677c8c4a3f7 \
+    --hash=sha256:5533a959a1748a5c042a6da71fe9267a908e21eded7a4f373efd23a2cbdb0ecc \
+    --hash=sha256:1fe0a41437bbd06063aa184c34804efa886bcc128222e9916310c92cd54c3b4c \
+    --hash=sha256:c570f6fa14b9c4c8a4924aaad354652366577b4f98213cf76305067144f7b100 \
+    --hash=sha256:eda4771e0ace7f67f58bc5b560e27fb20f32a148cbc993b0c3835970935c2707 \
+    --hash=sha256:60b0e9e6dc45683e569ec37c55ac20c582973841927a85f2d8a7d20ee80216ab \
+    --hash=sha256:088afc8c63e7bd187a3c70a94b9e50ab3f17e1d3f52a32750b5b77dbe99ef5ef \
+    --hash=sha256:eaf548d117b6737df379fdd53bdde4f08870e66d7ea653e230477f071f861121 \
+    --hash=sha256:41bb65f54bba392643557e617316d0d899ed5b4946dccee1cb6696152b29844b \
+    --hash=sha256:8d69cef61fa50c8133382e61fd97439de1ae623fe943578e477e76a9d9471637 \
+    --hash=sha256:f2388013e68e750eaa16ccbea62d4130180c26abb1d8e5d584b9baf69672b30f \
+    --hash=sha256:4318d56bccfe7d43e5addb272406ade7a2274da4b70eb15922a071c58ab0108c \
+    --hash=sha256:a6f32aea4260dfe0e55dc9733ea162ea38f0ea86aa7d0f77b15beac5bf7b369d
+requests==2.24.0 \
+    --hash=sha256:fe75cc94a9443b9246fc7049224f75604b113c36acb93f87b80ed42c44cbb898 \
+    --hash=sha256:b3559a131db72c33ee969480840fff4bb6dd111de7dd27c8ee1f820f4f00231b
+six==1.15.0 \
+    --hash=sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced \
+    --hash=sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259
+termcolor==1.1.0 \
+    --hash=sha256:1d6d69ce66211143803fbc56652b41d73b4a400a2891d7bf7a1cdf4c02de613b
+toml==0.10.1 \
+    --hash=sha256:bda89d5935c2eac546d648028b9901107a595863cb36bae0c73ac804a9b4ce88 \
+    --hash=sha256:926b612be1e5ce0634a2ca03470f95169cf16f939018233a670519cb4ac58b0f
+traitlets==5.0.4; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:9664ec0c526e48e7b47b7d14cd6b252efa03e0129011de0a9c1d70315d4309c3 \
+    --hash=sha256:86c9351f94f95de9db8a04ad8e892da299a088a64fd283f9f6f18770ae5eae1b
+typed-ast==1.4.1 \
+    --hash=sha256:73d785a950fc82dd2a25897d525d003f6378d1cb23ab305578394694202a58c3 \
+    --hash=sha256:aaee9905aee35ba5905cfb3c62f3e83b3bec7b39413f0a7f19be4e547ea01ebb \
+    --hash=sha256:0c2c07682d61a629b68433afb159376e24e5b2fd4641d35424e462169c0a7919 \
+    --hash=sha256:4083861b0aa07990b619bd7ddc365eb7fa4b817e99cf5f8d9cf21a42780f6e01 \
+    --hash=sha256:269151951236b0f9a6f04015a9004084a5ab0d5f19b57de779f908621e7d8b75 \
+    --hash=sha256:24995c843eb0ad11a4527b026b4dde3da70e1f2d8806c99b7b4a7cf491612652 \
+    --hash=sha256:fe460b922ec15dd205595c9b5b99e2f056fd98ae8f9f56b888e7a17dc2b757e7 \
+    --hash=sha256:4e3e5da80ccbebfff202a67bf900d081906c358ccc3d5e3c8aea42fdfdfd51c1 \
+    --hash=sha256:249862707802d40f7f29f6e1aad8d84b5aa9e44552d2cc17384b209f091276aa \
+    --hash=sha256:8ce678dbaf790dbdb3eba24056d5364fb45944f33553dd5869b7580cdbb83614 \
+    --hash=sha256:c9e348e02e4d2b4a8b2eedb48210430658df6951fa484e59de33ff773fbd4b41 \
+    --hash=sha256:bcd3b13b56ea479b3650b82cabd6b5343a625b0ced5429e4ccad28a8973f301b \
+    --hash=sha256:d5d33e9e7af3b34a40dc05f498939f0ebf187f07c385fd58d591c533ad8562fe \
+    --hash=sha256:0666aa36131496aed8f7be0410ff974562ab7eeac11ef351def9ea6fa28f6355 \
+    --hash=sha256:d205b1b46085271b4e15f670058ce182bd1199e56b317bf2ec004b6a44f911f6 \
+    --hash=sha256:6daac9731f172c2a22ade6ed0c00197ee7cc1221aa84cfdf9c31defeb059a907 \
+    --hash=sha256:498b0f36cc7054c1fead3d7fc59d2150f4d5c6c56ba7fb150c013fbc683a8d2d \
+    --hash=sha256:715ff2f2df46121071622063fc7543d9b1fd19ebfc4f5c8895af64a77a8c852c \
+    --hash=sha256:fc0fea399acb12edbf8a628ba8d2312f583bdbdb3335635db062fa98cf71fca4 \
+    --hash=sha256:d43943ef777f9a1c42bf4e552ba23ac77a6351de620aa9acf64ad54933ad4d34 \
+    --hash=sha256:8c8aaad94455178e3187ab22c8b01a3837f8ee50e09cf31f1ba129eb293ec30b
+typing-extensions==3.7.4.3 \
+    --hash=sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f \
+    --hash=sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918 \
+    --hash=sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c
+urllib3==1.25.10 \
+    --hash=sha256:e7983572181f5e1522d9c98453462384ee92a0be7fac5f1413a1e35c56cc0461 \
+    --hash=sha256:91056c15fa70756691db97756772bb1eb9678fa585d9184f24534b100dc60f4a
+wcwidth==0.2.5; python_version >= "3.7" and python_version < "4.0" \
+    --hash=sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784 \
+    --hash=sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83
+zipp==3.3.0; python_version < "3.8" \
+    --hash=sha256:eed8ec0b8d1416b2ca33516a37a08892442f3954dee131e92cfd92d8fe3e7066 \
+    --hash=sha256:64ad89efee774d1897a58607895d80789c59778ea02185dd846ac38394a8642b
diff --git a/requirements.txt b/requirements.txt
index 3db7209..7c7a0e3 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,9 +1,66 @@
--i https://pypi.org/simple
-certifi==2020.6.20
-chardet==3.0.4
-falcon==2.0.0
-gunicorn==20.0.4
-idna==2.10; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'
-psycopg2-binary==2.8.6
-requests==2.24.0
-urllib3==1.25.10; python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'
+certifi==2020.6.20 \
+    --hash=sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41 \
+    --hash=sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3
+chardet==3.0.4 \
+    --hash=sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691 \
+    --hash=sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae
+falcon==2.0.0 \
+    --hash=sha256:733033ec80c896e30a43ab3e776856096836787197a44eb21022320a61311983 \
+    --hash=sha256:f93351459f110b4c1ee28556aef9a791832df6f910bea7b3f616109d534df06b \
+    --hash=sha256:e9efa0791b5d9f9dd9689015ea6bce0a27fcd5ecbcd30e6d940bffa4f7f03389 \
+    --hash=sha256:59d1e8c993b9a37ea06df9d72cf907a46cc8063b30717cdac2f34d1658b6f936 \
+    --hash=sha256:a5ebb22a04c9cc65081938ee7651b4e3b4d2a28522ea8ec04c7bdd2b3e9e8cd8 \
+    --hash=sha256:95bf6ce986c1119aef12c9b348f4dee9c6dcc58391bdd0bc2b0bf353c2b15986 \
+    --hash=sha256:aa184895d1ad4573fbfaaf803563d02f019ebdf4790e41cc568a330607eae439 \
+    --hash=sha256:74cf1d18207381c665b9e6292d65100ce146d958707793174b03869dc6e614f4 \
+    --hash=sha256:24adcd2b29a8ffa9d552dc79638cd21736a3fb04eda7d102c6cebafdaadb88ad \
+    --hash=sha256:18157af2a4fc3feedf2b5dcc6196f448639acf01c68bc33d4d5a04c3ef87f494 \
+    --hash=sha256:e3782b7b92fefd46a6ad1fd8fe63fe6c6f1b7740a95ca56957f48d1aee34b357 \
+    --hash=sha256:9712975adcf8c6e12876239085ad757b8fdeba223d46d23daef82b47658f83a9 \
+    --hash=sha256:54f2cb4b687035b2a03206dbfc538055cc48b59a953187b0458aa1b574d47b53 \
+    --hash=sha256:eea593cf466b9c126ce667f6d30503624ef24459f118c75594a69353b6c3d5fc
+gunicorn==20.0.4 \
+    --hash=sha256:cd4a810dd51bf497552cf3f863b575dabd73d6ad6a91075b65936b151cbf4f9c \
+    --hash=sha256:1904bb2b8a43658807108d59c3f3d56c2b6121a701161de0ddf9ad140073c626
+idna==2.10 \
+    --hash=sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0 \
+    --hash=sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6
+psycopg2-binary==2.8.6 \
+    --hash=sha256:11b9c0ebce097180129e422379b824ae21c8f2a6596b159c7659e2e5a00e1aa0 \
+    --hash=sha256:d14b140a4439d816e3b1229a4a525df917d6ea22a0771a2a78332273fd9528a4 \
+    --hash=sha256:1fabed9ea2acc4efe4671b92c669a213db744d2af8a9fc5d69a8e9bc14b7a9db \
+    --hash=sha256:f5ab93a2cb2d8338b1674be43b442a7f544a0971da062a5da774ed40587f18f5 \
+    --hash=sha256:b4afc542c0ac0db720cf516dd20c0846f71c248d2b3d21013aa0d4ef9c71ca25 \
+    --hash=sha256:e74a55f6bad0e7d3968399deb50f61f4db1926acf4a6d83beaaa7df986f48b1c \
+    --hash=sha256:0deac2af1a587ae12836aa07970f5cb91964f05a7c6cdb69d8425ff4c15d4e2c \
+    --hash=sha256:ad20d2eb875aaa1ea6d0f2916949f5c08a19c74d05b16ce6ebf6d24f2c9f75d1 \
+    --hash=sha256:950bc22bb56ee6ff142a2cb9ee980b571dd0912b0334aa3fe0fe3788d860bea2 \
+    --hash=sha256:b8a3715b3c4e604bcc94c90a825cd7f5635417453b253499664f784fc4da0152 \
+    --hash=sha256:d1b4ab59e02d9008efe10ceabd0b31e79519da6fb67f7d8e8977118832d0f449 \
+    --hash=sha256:ac0c682111fbf404525dfc0f18a8b5f11be52657d4f96e9fcb75daf4f3984859 \
+    --hash=sha256:7d92a09b788cbb1aec325af5fcba9fed7203897bbd9269d5691bb1e3bce29550 \
+    --hash=sha256:aaa4213c862f0ef00022751161df35804127b78adf4a2755b9f991a507e425fd \
+    --hash=sha256:c2507d796fca339c8fb03216364cca68d87e037c1f774977c8fc377627d01c71 \
+    --hash=sha256:ee69dad2c7155756ad114c02db06002f4cded41132cc51378e57aad79cc8e4f4 \
+    --hash=sha256:e82aba2188b9ba309fd8e271702bd0d0fc9148ae3150532bbb474f4590039ffb \
+    --hash=sha256:d5227b229005a696cc67676e24c214740efd90b148de5733419ac9aaba3773da \
+    --hash=sha256:a0eb43a07386c3f1f1ebb4dc7aafb13f67188eab896e7397aa1ee95a9c884eb2 \
+    --hash=sha256:e1f57aa70d3f7cc6947fd88636a481638263ba04a742b4a37dd25c373e41491a \
+    --hash=sha256:833709a5c66ca52f1d21d41865a637223b368c0ee76ea54ca5bad6f2526c7679 \
+    --hash=sha256:ba28584e6bca48c59eecbf7efb1576ca214b47f05194646b081717fa628dfddf \
+    --hash=sha256:6a32f3a4cb2f6e1a0b15215f448e8ce2da192fd4ff35084d80d5e39da683e79b \
+    --hash=sha256:0e4dc3d5996760104746e6cfcdb519d9d2cd27c738296525d5867ea695774e67 \
+    --hash=sha256:cec7e622ebc545dbb4564e483dd20e4e404da17ae07e06f3e780b2dacd5cee66 \
+    --hash=sha256:ba381aec3a5dc29634f20692349d73f2d21f17653bda1decf0b52b11d694541f \
+    --hash=sha256:a0c50db33c32594305b0ef9abc0cb7db13de7621d2cadf8392a1d9b3c437ef77 \
+    --hash=sha256:2dac98e85565d5688e8ab7bdea5446674a83a3945a8f416ad0110018d1501b94 \
+    --hash=sha256:bd1be66dde2b82f80afb9459fc618216753f67109b859a361cf7def5c7968729 \
+    --hash=sha256:8cd0fb36c7412996859cb4606a35969dd01f4ea34d9812a141cd920c3b18be77 \
+    --hash=sha256:42ec1035841b389e8cc3692277a0bd81cdfe0b65d575a2c8862cec7a80e62e52 \
+    --hash=sha256:7312e931b90fe14f925729cde58022f5d034241918a5c4f9797cac62f6b3a9dd
+requests==2.24.0 \
+    --hash=sha256:fe75cc94a9443b9246fc7049224f75604b113c36acb93f87b80ed42c44cbb898 \
+    --hash=sha256:b3559a131db72c33ee969480840fff4bb6dd111de7dd27c8ee1f820f4f00231b
+urllib3==1.25.10 \
+    --hash=sha256:e7983572181f5e1522d9c98453462384ee92a0be7fac5f1413a1e35c56cc0461 \
+    --hash=sha256:91056c15fa70756691db97756772bb1eb9678fa585d9184f24534b100dc60f4a