diff --git a/Pipfile b/Pipfile
index 672087b..546e164 100644
--- a/Pipfile
+++ b/Pipfile
@@ -20,3 +20,4 @@ pytest-cov = "*"
 sphinx = "*"
 vcrpy = "*"
 pyyaml = ">=5.1,<6"
+pytest-mock = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index 69e925a..00b10cd 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "438b38b762b42f6b272a27811c4e01d9ad2a3ccbca8c1d93103efd636cb21ce9"
+            "sha256": "4cdc00b2f615bf3233d0d02e4878b495cbb43f978c72dded0d3c37246c1a9218"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,10 +18,10 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
-                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
+                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
+                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
             ],
-            "version": "==2018.11.29"
+            "version": "==2019.3.9"
         },
         "chardet": {
             "hashes": [
@@ -32,26 +32,26 @@
         },
         "idna": {
             "hashes": [
-                "sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",
-                "sha256:684a38a6f903c1d71d6d5fac066b58d7768af4de2b832e426ec79c30daa94a16"
+                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
+                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
             ],
-            "version": "==2.7"
+            "version": "==2.8"
         },
         "requests": {
             "hashes": [
-                "sha256:99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c",
-                "sha256:a84b8c9ab6239b578f22d1c21d51b696dcfe004032bb80ea832398d6909d7279"
+                "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",
+                "sha256:7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b"
             ],
             "index": "pypi",
-            "version": "==2.20.0"
+            "version": "==2.21.0"
         },
         "urllib3": {
             "hashes": [
-                "sha256:41c3db2fc01e5b907288010dec72f9d0a74e37d6994e6eb56849f59fea2265ae",
-                "sha256:8819bba37a02d143296a4d032373c4dd4aca11f6d4c9973335ca75f9c8475f59"
+                "sha256:2393a695cd12afedd0dcb26fe5d50d0cf248e5a66f75dbd89a3d4eb333a61af4",
+                "sha256:a637e5fae88995b256e3409dc4d52c2e2e0ba32c42a6365fee8bbd2238de3cfb"
             ],
             "index": "pypi",
-            "version": "==1.24"
+            "version": "==1.24.3"
         }
     },
     "develop": {
@@ -64,17 +64,17 @@
         },
         "atomicwrites": {
             "hashes": [
-                "sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0",
-                "sha256:ec9ae8adaae229e4f8446952d204a3e4b5fdd2d099f9be3aaf556120135fb3ee"
+                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
+                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
             ],
-            "version": "==1.2.1"
+            "version": "==1.3.0"
         },
         "attrs": {
             "hashes": [
-                "sha256:10cbf6e27dbce8c30807caf056c8eb50917e0eaafe86347671b57254006c3e69",
-                "sha256:ca4be454458f9dec299268d472aaa5a11f67a4ff70093396e1ceae9c76cf4bbb"
+                "sha256:69c0dbf2ed392de1cb5ec704444b08a5ef81680a61cb899dc08127123af36a79",
+                "sha256:f0b870f674851ecbfbbbd364d6b5cbdff9dcedbc7f3f5e18a6891057f21fe399"
             ],
-            "version": "==18.2.0"
+            "version": "==19.1.0"
         },
         "babel": {
             "hashes": [
@@ -85,10 +85,10 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
-                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
+                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
+                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
             ],
-            "version": "==2018.11.29"
+            "version": "==2019.3.9"
         },
         "chardet": {
             "hashes": [
@@ -99,42 +99,40 @@
         },
         "coverage": {
             "hashes": [
-                "sha256:03481e81d558d30d230bc12999e3edffe392d244349a90f4ef9b88425fac74ba",
-                "sha256:0b136648de27201056c1869a6c0d4e23f464750fd9a9ba9750b8336a244429ed",
-                "sha256:0bf8cbbd71adfff0ef1f3a1531e6402d13b7b01ac50a79c97ca15f030dba6306",
-                "sha256:10a46017fef60e16694a30627319f38a2b9b52e90182dddb6e37dcdab0f4bf95",
-                "sha256:198626739a79b09fa0a2f06e083ffd12eb55449b5f8bfdbeed1df4910b2ca640",
-                "sha256:23d341cdd4a0371820eb2b0bd6b88f5003a7438bbedb33688cd33b8eae59affd",
-                "sha256:28b2191e7283f4f3568962e373b47ef7f0392993bb6660d079c62bd50fe9d162",
-                "sha256:2a5b73210bad5279ddb558d9a2bfedc7f4bf6ad7f3c988641d83c40293deaec1",
-                "sha256:2eb564bbf7816a9d68dd3369a510be3327f1c618d2357fa6b1216994c2e3d508",
-                "sha256:337ded681dd2ef9ca04ef5d93cfc87e52e09db2594c296b4a0a3662cb1b41249",
-                "sha256:3a2184c6d797a125dca8367878d3b9a178b6fdd05fdc2d35d758c3006a1cd694",
-                "sha256:3c79a6f7b95751cdebcd9037e4d06f8d5a9b60e4ed0cd231342aa8ad7124882a",
-                "sha256:3d72c20bd105022d29b14a7d628462ebdc61de2f303322c0212a054352f3b287",
-                "sha256:3eb42bf89a6be7deb64116dd1cc4b08171734d721e7a7e57ad64cc4ef29ed2f1",
-                "sha256:4635a184d0bbe537aa185a34193898eee409332a8ccb27eea36f262566585000",
-                "sha256:56e448f051a201c5ebbaa86a5efd0ca90d327204d8b059ab25ad0f35fbfd79f1",
-                "sha256:5a13ea7911ff5e1796b6d5e4fbbf6952381a611209b736d48e675c2756f3f74e",
-                "sha256:69bf008a06b76619d3c3f3b1983f5145c75a305a0fea513aca094cae5c40a8f5",
-                "sha256:6bc583dc18d5979dc0f6cec26a8603129de0304d5ae1f17e57a12834e7235062",
-                "sha256:701cd6093d63e6b8ad7009d8a92425428bc4d6e7ab8d75efbb665c806c1d79ba",
-                "sha256:7608a3dd5d73cb06c531b8925e0ef8d3de31fed2544a7de6c63960a1e73ea4bc",
-                "sha256:76ecd006d1d8f739430ec50cc872889af1f9c1b6b8f48e29941814b09b0fd3cc",
-                "sha256:7aa36d2b844a3e4a4b356708d79fd2c260281a7390d678a10b91ca595ddc9e99",
-                "sha256:7d3f553904b0c5c016d1dad058a7554c7ac4c91a789fca496e7d8347ad040653",
-                "sha256:7e1fe19bd6dce69d9fd159d8e4a80a8f52101380d5d3a4d374b6d3eae0e5de9c",
-                "sha256:8c3cb8c35ec4d9506979b4cf90ee9918bc2e49f84189d9bf5c36c0c1119c6558",
-                "sha256:9d6dd10d49e01571bf6e147d3b505141ffc093a06756c60b053a859cb2128b1f",
-                "sha256:be6cfcd8053d13f5f5eeb284aa8a814220c3da1b0078fa859011c7fffd86dab9",
-                "sha256:c1bb572fab8208c400adaf06a8133ac0712179a334c09224fb11393e920abcdd",
-                "sha256:de4418dadaa1c01d497e539210cb6baa015965526ff5afc078c57ca69160108d",
-                "sha256:e05cb4d9aad6233d67e0541caa7e511fa4047ed7750ec2510d466e806e0255d6",
-                "sha256:f05a636b4564104120111800021a92e43397bc12a5c72fed7036be8556e0029e",
-                "sha256:f3f501f345f24383c0000395b26b726e46758b71393267aeae0bd36f8b3ade80"
+                "sha256:3684fabf6b87a369017756b551cef29e505cb155ddb892a7a29277b978da88b9",
+                "sha256:39e088da9b284f1bd17c750ac672103779f7954ce6125fd4382134ac8d152d74",
+                "sha256:3c205bc11cc4fcc57b761c2da73b9b72a59f8d5ca89979afb0c1c6f9e53c7390",
+                "sha256:465ce53a8c0f3a7950dfb836438442f833cf6663d407f37d8c52fe7b6e56d7e8",
+                "sha256:48020e343fc40f72a442c8a1334284620f81295256a6b6ca6d8aa1350c763bbe",
+                "sha256:5296fc86ab612ec12394565c500b412a43b328b3907c0d14358950d06fd83baf",
+                "sha256:5f61bed2f7d9b6a9ab935150a6b23d7f84b8055524e7be7715b6513f3328138e",
+                "sha256:68a43a9f9f83693ce0414d17e019daee7ab3f7113a70c79a3dd4c2f704e4d741",
+                "sha256:6b8033d47fe22506856fe450470ccb1d8ba1ffb8463494a15cfc96392a288c09",
+                "sha256:7ad7536066b28863e5835e8cfeaa794b7fe352d99a8cded9f43d1161be8e9fbd",
+                "sha256:7bacb89ccf4bedb30b277e96e4cc68cd1369ca6841bde7b005191b54d3dd1034",
+                "sha256:839dc7c36501254e14331bcb98b27002aa415e4af7ea039d9009409b9d2d5420",
+                "sha256:8f9a95b66969cdea53ec992ecea5406c5bd99c9221f539bca1e8406b200ae98c",
+                "sha256:932c03d2d565f75961ba1d3cec41ddde00e162c5b46d03f7423edcb807734eab",
+                "sha256:988529edadc49039d205e0aa6ce049c5ccda4acb2d6c3c5c550c17e8c02c05ba",
+                "sha256:998d7e73548fe395eeb294495a04d38942edb66d1fa61eb70418871bc621227e",
+                "sha256:9de60893fb447d1e797f6bf08fdf0dbcda0c1e34c1b06c92bd3a363c0ea8c609",
+                "sha256:9e80d45d0c7fcee54e22771db7f1b0b126fb4a6c0a2e5afa72f66827207ff2f2",
+                "sha256:a545a3dfe5082dc8e8c3eb7f8a2cf4f2870902ff1860bd99b6198cfd1f9d1f49",
+                "sha256:a5d8f29e5ec661143621a8f4de51adfb300d7a476224156a39a392254f70687b",
+                "sha256:aca06bfba4759bbdb09bf52ebb15ae20268ee1f6747417837926fae990ebc41d",
+                "sha256:bb23b7a6fd666e551a3094ab896a57809e010059540ad20acbeec03a154224ce",
+                "sha256:bfd1d0ae7e292105f29d7deaa9d8f2916ed8553ab9d5f39ec65bcf5deadff3f9",
+                "sha256:c62ca0a38958f541a73cf86acdab020c2091631c137bd359c4f5bddde7b75fd4",
+                "sha256:c709d8bda72cf4cd348ccec2a4881f2c5848fd72903c185f363d361b2737f773",
+                "sha256:c968a6aa7e0b56ecbd28531ddf439c2ec103610d3e2bf3b75b813304f8cb7723",
+                "sha256:df785d8cb80539d0b55fd47183264b7002077859028dfe3070cf6359bf8b2d9c",
+                "sha256:f406628ca51e0ae90ae76ea8398677a921b36f0bd71aab2099dfed08abd0322f",
+                "sha256:f46087bbd95ebae244a0eda01a618aff11ec7a069b15a3ef8f6b520db523dcf1",
+                "sha256:f8019c5279eb32360ca03e9fac40a12667715546eed5c5eb59eb381f2f501260",
+                "sha256:fc5f4d209733750afd2714e9109816a29500718b32dd9a5db01c0cb3a019b96a"
             ],
             "index": "pypi",
-            "version": "==4.5.1"
+            "version": "==4.5.3"
         },
         "docutils": {
             "hashes": [
@@ -153,18 +151,18 @@
         },
         "flake8": {
             "hashes": [
-                "sha256:545c8faa8425cafcd9800538b4fa324a543cdec0ac273cf698ddd6a954123401",
-                "sha256:e9ca1bb84d76511315e565a2cdd292d916b08b0d639aa3e323d8c7d895a03897"
+                "sha256:859996073f341f2670741b51ec1e67a01da142831aa1fdc6242dbf88dffbe661",
+                "sha256:a796a115208f5c03b18f332f7c11729812c8c3ded6c46319c59b53efd3819da8"
             ],
             "index": "pypi",
-            "version": "==3.7.1"
+            "version": "==3.7.7"
         },
         "idna": {
             "hashes": [
-                "sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",
-                "sha256:684a38a6f903c1d71d6d5fac066b58d7768af4de2b832e426ec79c30daa94a16"
+                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
+                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
             ],
-            "version": "==2.7"
+            "version": "==2.8"
         },
         "imagesize": {
             "hashes": [
@@ -175,17 +173,43 @@
         },
         "jinja2": {
             "hashes": [
-                "sha256:74c935a1b8bb9a3947c50a54766a969d4846290e1e788ea44c1392163723c3bd",
-                "sha256:f84be1bb0040caca4cea721fcbbbbd61f9be9464ca236387158b0feea01914a4"
+                "sha256:065c4f02ebe7f7cf559e49ee5a95fb800a9e4528727aec6f24402a5374c65013",
+                "sha256:14dd6caf1527abb21f08f86c784eac40853ba93edb79552aa1e4b8aef1b61c7b"
             ],
-            "version": "==2.10"
+            "version": "==2.10.1"
         },
         "markupsafe": {
             "hashes": [
-                "sha256:a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665"
-            ],
-            "index": "pypi",
-            "version": "==1.0"
+                "sha256:00bc623926325b26bb9605ae9eae8a215691f33cae5df11ca5424f06f2d1f473",
+                "sha256:09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161",
+                "sha256:09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235",
+                "sha256:1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5",
+                "sha256:24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff",
+                "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b",
+                "sha256:43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1",
+                "sha256:46c99d2de99945ec5cb54f23c8cd5689f6d7177305ebff350a58ce5f8de1669e",
+                "sha256:500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183",
+                "sha256:535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66",
+                "sha256:62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1",
+                "sha256:6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1",
+                "sha256:717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e",
+                "sha256:79855e1c5b8da654cf486b830bd42c06e8780cea587384cf6545b7d9ac013a0b",
+                "sha256:7c1699dfe0cf8ff607dbdcc1e9b9af1755371f92a68f706051cc8c37d447c905",
+                "sha256:88e5fcfb52ee7b911e8bb6d6aa2fd21fbecc674eadd44118a9cc3863f938e735",
+                "sha256:8defac2f2ccd6805ebf65f5eeb132adcf2ab57aa11fdf4c0dd5169a004710e7d",
+                "sha256:98c7086708b163d425c67c7a91bad6e466bb99d797aa64f965e9d25c12111a5e",
+                "sha256:9add70b36c5666a2ed02b43b335fe19002ee5235efd4b8a89bfcf9005bebac0d",
+                "sha256:9bf40443012702a1d2070043cb6291650a0841ece432556f784f004937f0f32c",
+                "sha256:ade5e387d2ad0d7ebf59146cc00c8044acbd863725f887353a10df825fc8ae21",
+                "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2",
+                "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5",
+                "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
+                "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
+                "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
+                "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
+                "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7"
+            ],
+            "version": "==1.1.1"
         },
         "mccabe": {
             "hashes": [
@@ -196,11 +220,11 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:38a936c0a6d98a38bcc2d03fdaaedaba9f412879461dd2ceff8d37564d6522e4",
-                "sha256:c0a5785b1109a6bd7fac76d6837fd1feca158e54e521ccd2ae8bfe393cc9d4fc",
-                "sha256:fe7a7cae1ccb57d33952113ff4fa1bc5f879963600ed74918f1236e212ee50b9"
+                "sha256:2112d2ca570bb7c3e53ea1a35cd5df42bb0fd10c45f0fb97178679c3c03d64c7",
+                "sha256:c3e4748ba1aad8dba30a4886b0b1a2004f9a863837b8654e7059eebf727afa5a"
             ],
-            "version": "==5.0.0"
+            "markers": "python_version > '2.7'",
+            "version": "==7.0.0"
         },
         "multidict": {
             "hashes": [
@@ -238,11 +262,20 @@
         },
         "mypy": {
             "hashes": [
-                "sha256:8e071ec32cc226e948a34bbb3d196eb0fd96f3ac69b6843a5aff9bd4efa14455",
-                "sha256:fb90c804b84cfd8133d3ddfbd630252694d11ccc1eb0166a1b2efb5da37ecab2"
+                "sha256:2afe51527b1f6cdc4a5f34fc90473109b22bf7f21086ba3e9451857cf11489e6",
+                "sha256:56a16df3e0abb145d8accd5dbb70eba6c4bd26e2f89042b491faa78c9635d1e2",
+                "sha256:5764f10d27b2e93c84f70af5778941b8f4aa1379b2430f85c827e0f5464e8714",
+                "sha256:5bbc86374f04a3aa817622f98e40375ccb28c4836f36b66706cf3c6ccce86eda",
+                "sha256:6a9343089f6377e71e20ca734cd8e7ac25d36478a9df580efabfe9059819bf82",
+                "sha256:6c9851bc4a23dc1d854d3f5dfd5f20a016f8da86bcdbb42687879bb5f86434b0",
+                "sha256:b8e85956af3fcf043d6f87c91cbe8705073fc67029ba6e22d3468bfee42c4823",
+                "sha256:b9a0af8fae490306bc112229000aa0c2ccc837b49d29a5c42e088c132a2334dd",
+                "sha256:bbf643528e2a55df2c1587008d6e3bda5c0445f1240dfa85129af22ae16d7a9a",
+                "sha256:c46ab3438bd21511db0f2c612d89d8344154c0c9494afc7fbc932de514cf8d15",
+                "sha256:f7a83d6bd805855ef83ec605eb01ab4fa42bcef254b13631e451cbb44914a9b0"
             ],
             "index": "pypi",
-            "version": "==0.641"
+            "version": "==0.701"
         },
         "mypy-extensions": {
             "hashes": [
@@ -268,17 +301,17 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:8ddc32f03971bfdf900a81961a48ccf2fb677cf7715108f85295c67405798616",
-                "sha256:980710797ff6a041e9a73a5787804f848996ecaa6f8a1b1e08224a5894f2074a"
+                "sha256:25a1bc1d148c9a640211872b4ff859878d422bccb59c9965e04eed468a0aa180",
+                "sha256:964cedd2b27c492fbf0b7f58b3284a09cf7f99b0f715941fb24a439b3af1bd1a"
             ],
-            "version": "==0.8.1"
+            "version": "==0.11.0"
         },
         "py": {
             "hashes": [
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-                "sha256:e76826342cefe3c3d5f7e8ee4316b80d1dd8a300781612ddbc765c17ba25a6c6"
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-            "version": "==1.7.0"
+            "version": "==1.8.0"
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         "pycodestyle": {
             "hashes": [
@@ -289,57 +322,63 @@
         },
         "pyflakes": {
             "hashes": [
-                "sha256:5e8c00e30c464c99e0b501dc160b13a14af7f27d4dffb529c556e30a159e231d",
-                "sha256:f277f9ca3e55de669fba45b7393a1449009cff5a37d1af10ebb76c52765269cd"
+                "sha256:17dbeb2e3f4d772725c777fabc446d5634d1038f234e77343108ce445ea69ce0",
+                "sha256:d976835886f8c5b31d47970ed689944a0262b5f3afa00a5a7b4dc81e5449f8a2"
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-            "version": "==2.1.0"
+            "version": "==2.1.1"
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         "pygments": {
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-                "sha256:e8218dd399a61674745138520d0d4cf2621d7e032439341bc3f647bff125818d"
+                "sha256:31cba6ffb739f099a85e243eff8cb717089fdd3c7300767d9fc34cb8e1b065f5",
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-            "version": "==2.3.1"
+            "version": "==2.4.0"
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-                "sha256:dd9130dd91a0340d89a0f06f887dbd76dd07fb95a8886dc4bc401239f2eebd69"
+                "sha256:1e3dc3d16919c4efac528d1dbecc17de1a97c4ecfdacb89d7726ed2c6645adff",
+                "sha256:be0ffeabddaa5ee53e7204e7740da842d070cf69168247a3d0c08541b84de602"
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             "index": "pypi",
-            "version": "==2.2.6"
+            "version": "==2.2.7"
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-                "sha256:d29593d8ebe7b57d6967b62494f8c72b03ac0262b1eed63826c6f788b3606401"
+                "sha256:1873c03321fc118f4e9746baf201ff990ceb915f433f23b395f5580d1840cb2a",
+                "sha256:9b6323ef4ab914af344ba97510e966d64ba91055d6b9afa6b30799340e89cc03"
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-            "index": "pypi",
-            "version": "==2.2.2"
+            "version": "==2.4.0"
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-                "sha256:8c827e7d4816dfe13e9329c8226aef8e6e75d65b939bc74fda894143b6d1df59"
+                "sha256:1a8aa4fa958f8f451ac5441f3ac130d9fc86ea38780dd2715e6d5c5882700b24",
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             "index": "pypi",
-            "version": "==3.9.1"
+            "version": "==4.5.0"
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         "pytest-cov": {
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-                "sha256:e360f048b7dae3f2f2a9a4d067b2dd6b6a015d384d1577c994a43f3f7cbad762"
+                "sha256:2b097cde81a302e1047331b48cadacf23577e431b61e9c6f49a1170bbe3d3da6",
+                "sha256:e00ea4fdde970725482f1f35630d12f074e121a23801aabf2ae154ec6bdd343a"
             ],
             "index": "pypi",
-            "version": "==2.6.0"
+            "version": "==2.7.1"
         },
-        "pytz": {
+        "pytest-mock": {
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-                "sha256:a061aa0a9e06881eb8b3b2b43f05b9439d6583c206d0a6c340ff72a7b6669053",
-                "sha256:ffb9ef1de172603304d9d2819af6f5ece76f2e85ec10692a524dd876e72bf277"
+                "sha256:43ce4e9dd5074993e7c021bb1c22cbb5363e612a2b5a76bc6d956775b10758b7",
+                "sha256:5bf5771b1db93beac965a7347dc81c675ec4090cb841e49d9d34637a25c30568"
             ],
             "index": "pypi",
-            "version": "==2018.5"
+            "version": "==1.10.4"
+        },
+        "pytz": {
+            "hashes": [
+                "sha256:303879e36b721603cc54604edcac9d20401bdbe31e1e4fdee5b9f98d5d31dfda",
+                "sha256:d747dd3d23d77ef44c6a3526e274af6efeb0a6f1afd5a69ba4d5be4098c8e141"
+            ],
+            "version": "==2019.1"
         },
         "pyyaml": {
             "hashes": [
@@ -360,11 +399,11 @@
         },
         "requests": {
             "hashes": [
-                "sha256:99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c",
-                "sha256:a84b8c9ab6239b578f22d1c21d51b696dcfe004032bb80ea832398d6909d7279"
+                "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",
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             ],
             "index": "pypi",
-            "version": "==2.20.0"
+            "version": "==2.21.0"
         },
         "six": {
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@@ -382,52 +421,85 @@
         },
         "sphinx": {
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-                "sha256:d222626d8356de702431e813a05c68a35967e3d66c6cd1c2c89539bb179a7464"
+                "sha256:423280646fb37944dd3c85c58fb92a20d745793a9f6c511f59da82fa97cd404b",
+                "sha256:de930f42600a4fef993587633984cc5027dedba2464bcf00ddace26b40f8d9ce"
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-            "version": "==1.8.1"
+            "version": "==2.0.1"
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-        "sphinxcontrib-websupport": {
+        "sphinxcontrib-applehelp": {
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-                "sha256:9de47f375baf1ea07cdb3436ff39d7a9c76042c10a769c52353ec46e4e8fc3b9"
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-            "version": "==1.1.0"
+            "version": "==1.0.1"
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+        "sphinxcontrib-devhelp": {
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+                "sha256:9512ecb00a2b0821a146736b39f7aeb90759834b07e81e8cc23a9c70bacb9981"
+            ],
+            "version": "==1.0.1"
+        },
+        "sphinxcontrib-htmlhelp": {
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+        "sphinxcontrib-jsmath": {
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+                "sha256:a9925e4a4587247ed2191a22df5f6970656cb8ca2bd6284309578f2153e0c4b8"
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+                "sha256:79465ce11ae5694ff165becda529a600c754f4bc459778778c7017374d4d406f"
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-            "version": "==1.24"
+            "version": "==1.24.3"
         },
         "vcrpy": {
             "hashes": [
@@ -437,6 +509,13 @@
             "index": "pypi",
             "version": "==2.0.1"
         },
+        "wcwidth": {
+            "hashes": [
+                "sha256:3df37372226d6e63e1b1e1eda15c594bca98a22d33a23832a90998faa96bc65e",
+                "sha256:f4ebe71925af7b40a864553f761ed559b43544f8f71746c2d756c7fe788ade7c"
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                 "sha256:4aea003270831cceb8a90ff27c4031da6ead7ec1886023b80ce0dfe0adf61533"
@@ -445,20 +524,20 @@
         },
         "yarl": {
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             ],
             "markers": "python_version >= '3.4'",
-            "version": "==1.2.0"
+            "version": "==1.3.0"
         }
     }
 }