diff --git a/Pipfile b/Pipfile
new file mode 100644
index 0000000..9e0ff53
--- /dev/null
+++ b/Pipfile
@@ -0,0 +1,14 @@
+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+chardet = "==3.0.4"
+nose = "==1.3.7"
+tox = "==3.14.1"
+Cython = "==0.29.14"
+pylint = "==2.4.4"
+wheel = "==0.31.1"
+twine = "==2.0.0"
+autopep8 = "==1.4.4"
diff --git a/Pipfile.lock b/Pipfile.lock
new file mode 100644
index 0000000..38c1f4c
--- /dev/null
+++ b/Pipfile.lock
@@ -0,0 +1,314 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "e1890135f0a151c815a3a19bbd641259381a887145f00cff075ecc74d6c15125"
+        },
+        "pipfile-spec": 6,
+        "requires": {},
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {},
+    "develop": {
+        "astroid": {
+            "hashes": [
+                "sha256:71ea07f44df9568a75d0f354c49143a4575d90645e9fead6dfb52c26a85ed13a",
+                "sha256:840947ebfa8b58f318d42301cf8c0a20fd794a33b61cc4638e28e9e61ba32f42"
+            ],
+            "version": "==2.3.3"
+        },
+        "autopep8": {
+            "hashes": [
+                "sha256:4d8eec30cc81bc5617dbf1218201d770dc35629363547f17577c61683ccfb3ee"
+            ],
+            "index": "pypi",
+            "version": "==1.4.4"
+        },
+        "bleach": {
+            "hashes": [
+                "sha256:213336e49e102af26d9cde77dd2d0397afabc5a6bf2fed985dc35b5d1e285a16",
+                "sha256:3fdf7f77adcf649c9911387df51254b813185e32b2c6619f690b593a617e19fa"
+            ],
+            "version": "==3.1.0"
+        },
+        "certifi": {
+            "hashes": [
+                "sha256:e4f3620cfea4f83eedc95b24abd9cd56f3c4b146dd0177e83a21b4eb49e21e50",
+                "sha256:fd7c7c74727ddcf00e9acd26bba8da604ffec95bf1c2144e67aff7a8b50e6cef"
+            ],
+            "version": "==2019.9.11"
+        },
+        "chardet": {
+            "hashes": [
+                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
+                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+            ],
+            "index": "pypi",
+            "version": "==3.0.4"
+        },
+        "cython": {
+            "hashes": [
+                "sha256:03f6bbb380ad0acb744fb06e42996ea217e9d00016ca0ff6f2e7d60f580d0360",
+                "sha256:05e8cfd3a3a6087aec49a1ae08a89171db991956209406d1e5576f9db70ece52",
+                "sha256:05eb79efc8029d487251c8a2702a909a8ba33c332e06d2f3980866541bd81253",
+                "sha256:094d28a34c3fa992ae02aea1edbe6ff89b3cc5870b6ee38b5baeb805dc57b013",
+                "sha256:0c70e842e52e2f50cc43bad43b5e5bc515f30821a374e544abb0e0746f2350ff",
+                "sha256:1dcdaa319558eb924294a554dcf6c12383ec947acc7e779e8d3622409a7f7d28",
+                "sha256:1fc5bdda28f25fec44e4721677458aa509d743cd350862270309d61aa148d6ff",
+                "sha256:280573a01d9348d44a42d6a9c651d9f7eb1fe9217df72555b2a118f902996a10",
+                "sha256:298ceca7b0f0da4205fcb0b7c9ac9e120e2dafffd5019ba1618e84ef89434b5a",
+                "sha256:4074a8bff0040035673cc6dd365a762476d6bff4d03d8ce6904e3e53f9a25dc8",
+                "sha256:41e7068e95fbf9ec94b41437f989caf9674135e770a39cdb9c00de459bafd1bc",
+                "sha256:47e5e1502d52ef03387cf9d3b3241007961a84a466e58a3b74028e1dd4957f8c",
+                "sha256:521340844cf388d109ceb61397f3fd5250ccb622a1a8e93559e8de76c80940a9",
+                "sha256:6c53338c1811f8c6d7f8cb7abd874810b15045e719e8207f957035c9177b4213",
+                "sha256:75c2dda47dcc3c77449712b1417bb6b89ec3b7b02e18c64262494dceffdf455e",
+                "sha256:773c5a98e463b52f7e8197254b39b703a5ea1972aef3a94b3b921515d77dd041",
+                "sha256:78c3068dcba300d473fef57cdf523e34b37de522f5a494ef9ee1ac9b4b8bbe3f",
+                "sha256:7bc18fc5a170f2c1cef5387a3d997c28942918bbee0f700e73fd2178ee8d474d",
+                "sha256:7f89eff20e4a7a64b55210dac17aea711ed8a3f2e78f2ff784c0e984302583dd",
+                "sha256:89458b49976b1dee5d89ab4ac943da3717b4292bf624367e862e4ee172fcce99",
+                "sha256:986f871c0fa649b293061236b93782d25c293a8dd8117c7ba05f8a61bdc261ae",
+                "sha256:a0f495a4fe5278aab278feee35e6102efecde5176a8a74dd28c28e3fc5c8d7c7",
+                "sha256:a14aa436586c41633339415de82a41164691d02d3e661038da533be5d40794a5",
+                "sha256:b8ab3ab38afc47d8f4fe629b836243544351cef681b6bdb1dc869028d6fdcbfb",
+                "sha256:bb487881608ebd293592553c618f0c83316f4f13a64cb18605b1d2fb9fd3da3e",
+                "sha256:c0b24bfe3431b3cb7ced323bca813dbd13aca973a1475b512d3331fd0de8ec60",
+                "sha256:c7894c06205166d360ab2915ae306d1f7403e9ce3d3aaeff4095eaf98e42ce66",
+                "sha256:d4039bb7f234ad32267c55e72fd49fb56078ea102f9d9d8559f6ec34d4887630",
+                "sha256:e4d6bb8703d0319eb04b7319b12ea41580df44fd84d83ccda13ea463c6801414",
+                "sha256:e8fab9911fd2fa8e5af407057cb8bdf87762f983cba483fa3234be20a9a0af77",
+                "sha256:f3818e578e687cdb21dc4aa4a3bc6278c656c9c393e9eda14dd04943f478863d",
+                "sha256:fe666645493d72712c46e4fbe8bec094b06aec3c337400479e9704439c9d9586"
+            ],
+            "index": "pypi",
+            "version": "==0.29.14"
+        },
+        "docutils": {
+            "hashes": [
+                "sha256:6c4f696463b79f1fb8ba0c594b63840ebd41f059e92b31957c46b74a4599b6d0",
+                "sha256:9e4d7ecfc600058e07ba661411a2b7de2fd0fafa17d1a7f7361cd47b1175c827",
+                "sha256:a2aeea129088da402665e92e0b25b04b073c04b2dce4ab65caaa38b7ce2e1a99"
+            ],
+            "version": "==0.15.2"
+        },
+        "filelock": {
+            "hashes": [
+                "sha256:18d82244ee114f543149c66a6e0c14e9c4f8a1044b5cdaadd0f82159d6a6ff59",
+                "sha256:929b7d63ec5b7d6b71b0fa5ac14e030b3f70b75747cef1b10da9b879fef15836"
+            ],
+            "version": "==3.0.12"
+        },
+        "idna": {
+            "hashes": [
+                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
+                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
+            ],
+            "version": "==2.8"
+        },
+        "isort": {
+            "hashes": [
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+                "sha256:6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"
+            ],
+            "version": "==4.3.21"
+        },
+        "lazy-object-proxy": {
+            "hashes": [
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+                "sha256:5541cada25cd173702dbd99f8e22434105456314462326f06dba3e180f203dfd",
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+                "sha256:8d859b89baf8ef7f8bc6b00aa20316483d67f0b1cbf422f5b4dc56701c8f2ffb",
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+                "sha256:9b15f3f4c0f35727d3a0fba4b770b3c4ebbb1fa907dbcc046a1d2799f3edd142",
+                "sha256:a2238e9d1bb71a56cd710611a1614d1194dc10a175c1e08d75e1a7bcc250d442",
+                "sha256:a6ae12d08c0bf9909ce12385803a543bfe99b95fe01e752536a60af2b7797c62",
+                "sha256:ca0a928a3ddbc5725be2dd1cf895ec0a254798915fb3a36af0964a0a4149e3db",
+                "sha256:cb2c7c57005a6804ab66f106ceb8482da55f5314b7fcb06551db1edae4ad1531",
+                "sha256:d74bb8693bf9cf75ac3b47a54d716bbb1a92648d5f781fc799347cfc95952383",
+                "sha256:d945239a5639b3ff35b70a88c5f2f491913eb94871780ebfabb2568bd58afc5a",
+                "sha256:eba7011090323c1dadf18b3b689845fd96a61ba0a1dfbd7f24b921398affc357",
+                "sha256:efa1909120ce98bbb3777e8b6f92237f5d5c8ea6758efea36a473e1d38f7d3e4",
+                "sha256:f3900e8a5de27447acbf900b4750b0ddfd7ec1ea7fbaf11dfa911141bc522af0"
+            ],
+            "version": "==1.4.3"
+        },
+        "mccabe": {
+            "hashes": [
+                "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
+                "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"
+            ],
+            "version": "==0.6.1"
+        },
+        "nose": {
+            "hashes": [
+                "sha256:9ff7c6cc443f8c51994b34a667bbcf45afd6d945be7477b52e97516fd17c53ac",
+                "sha256:dadcddc0aefbf99eea214e0f1232b94f2fa9bd98fa8353711dacb112bfcbbb2a",
+                "sha256:f1bffef9cbc82628f6e7d7b40d7e255aefaa1adb6a1b1d26c69a8b79e6208a98"
+            ],
+            "index": "pypi",
+            "version": "==1.3.7"
+        },
+        "packaging": {
+            "hashes": [
+                "sha256:28b924174df7a2fa32c1953825ff29c61e2f5e082343165438812f00d3a7fc47",
+                "sha256:d9551545c6d761f3def1677baf08ab2a3ca17c56879e70fecba2fc4dde4ed108"
+            ],
+            "version": "==19.2"
+        },
+        "pkginfo": {
+            "hashes": [
+                "sha256:7424f2c8511c186cd5424bbf31045b77435b37a8d604990b79d4e70d741148bb",
+                "sha256:a6d9e40ca61ad3ebd0b72fbadd4fba16e4c0e4df0428c041e01e06eb6ee71f32"
+            ],
+            "version": "==1.5.0.1"
+        },
+        "pluggy": {
+            "hashes": [
+                "sha256:0db4b7601aae1d35b4a033282da476845aa19185c1e6964b25cf324b5e4ec3e6",
+                "sha256:fa5fa1622fa6dd5c030e9cad086fa19ef6a0cf6d7a2d12318e10cb49d6d68f34"
+            ],
+            "version": "==0.13.0"
+        },
+        "py": {
+            "hashes": [
+                "sha256:64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa",
+                "sha256:dc639b046a6e2cff5bbe40194ad65936d6ba360b52b3c3fe1d08a82dd50b5e53"
+            ],
+            "version": "==1.8.0"
+        },
+        "pycodestyle": {
+            "hashes": [
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+                "sha256:e40a936c9a450ad81df37f549d676d127b1b66000a6c500caa2b085bc0ca976c"
+            ],
+            "version": "==2.5.0"
+        },
+        "pygments": {
+            "hashes": [
+                "sha256:71e430bc85c88a430f000ac1d9b331d2407f681d6f6aec95e8bcfbc3df5b0127",
+                "sha256:881c4c157e45f30af185c1ffe8d549d48ac9127433f2c380c24b84572ad66297"
+            ],
+            "version": "==2.4.2"
+        },
+        "pylint": {
+            "hashes": [
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+                "sha256:886e6afc935ea2590b462664b161ca9a5e40168ea99e5300935f6591ad467df4"
+            ],
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+            "version": "==2.4.4"
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+        "pyparsing": {
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+                "sha256:20f995ecd72f2a1f4bf6b072b63b22e2eb457836601e76d6e5dfcd75436acc1f",
+                "sha256:4ca62001be367f01bd3e92ecbb79070272a9d4964dce6a48a82ff0b8bc7e683a"
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+                "sha256:bb16f55b259f27f75f640acf5e00cf897845a8b3e4731b5c1a436e4b8529202f",
+                "sha256:c8532b79afc0375a85f10433eca157d6b50f7d6990f337fa498c96cd4bfc203d"
+            ],
+            "version": "==24.0"
+        },
+        "requests": {
+            "hashes": [
+                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
+                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
+            ],
+            "version": "==2.22.0"
+        },
+        "requests-toolbelt": {
+            "hashes": [
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+                "sha256:968089d4584ad4ad7c171454f0a5c6dac23971e9472521ea3b6d49d610aa6fc0"
+            ],
+            "version": "==0.9.1"
+        },
+        "six": {
+            "hashes": [
+                "sha256:1f1b7d42e254082a9db6279deae68afb421ceba6158efa6131de7b3003ee93fd",
+                "sha256:30f610279e8b2578cab6db20741130331735c781b56053c59c4076da27f06b66"
+            ],
+            "version": "==1.13.0"
+        },
+        "toml": {
+            "hashes": [
+                "sha256:229f81c57791a41d65e399fc06bf0848bab550a9dfd5ed66df18ce5f05e73d5c",
+                "sha256:235682dd292d5899d361a811df37e04a8828a5b1da3115886b73cf81ebc9100e"
+            ],
+            "version": "==0.10.0"
+        },
+        "tox": {
+            "hashes": [
+                "sha256:1d1368ac86e8332f79e2bcef9fefe2b077469f08449eadf0183759b34f3b2070",
+                "sha256:bcfa3e40abc1e9b70607b56adfd976fe7dc8286ad56aab44e3151daca7d2d0d0"
+            ],
+            "index": "pypi",
+            "version": "==3.14.1"
+        },
+        "tqdm": {
+            "hashes": [
+                "sha256:9de4722323451eb7818deb0161d9d5523465353a6707a9f500d97ee42919b902",
+                "sha256:c1d677f3a85fa291b34bdf8f770f877119b9754b32673699653556f85e2c2f13"
+            ],
+            "version": "==4.38.0"
+        },
+        "twine": {
+            "hashes": [
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+                "sha256:9fe7091715c7576df166df8ef6654e61bada39571783f2fd415bdcba867c6993"
+            ],
+            "index": "pypi",
+            "version": "==2.0.0"
+        },
+        "urllib3": {
+            "hashes": [
+                "sha256:a8a318824cc77d1fd4b2bec2ded92646630d7fe8619497b142c84a9e6f5a7293",
+                "sha256:f3c5fd51747d450d4dcf6f923c81f78f811aab8205fda64b0aba34a4e48b0745"
+            ],
+            "version": "==1.25.7"
+        },
+        "virtualenv": {
+            "hashes": [
+                "sha256:11cb4608930d5fd3afb545ecf8db83fa50e1f96fc4fca80c94b07d2c83146589",
+                "sha256:d257bb3773e48cac60e475a19b608996c73f4d333b3ba2e4e57d5ac6134e0136"
+            ],
+            "version": "==16.7.7"
+        },
+        "webencodings": {
+            "hashes": [
+                "sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78",
+                "sha256:b36a1c245f2d304965eb4e0a82848379241dc04b865afcc4aab16748587e1923"
+            ],
+            "version": "==0.5.1"
+        },
+        "wheel": {
+            "hashes": [
+                "sha256:0a2e54558a0628f2145d2fc822137e322412115173e8a2ddbe1c9024338ae83c",
+                "sha256:80044e51ec5bbf6c894ba0bc48d26a8c20a9ba629f4ca19ea26ecfcf87685f5f"
+            ],
+            "index": "pypi",
+            "version": "==0.31.1"
+        },
+        "wrapt": {
+            "hashes": [
+                "sha256:565a021fd19419476b9362b05eeaa094178de64f8361e44468f9e9d7843901e1"
+            ],
+            "version": "==1.11.2"
+        }
+    }
+}