diff --git a/Pipfile.lock b/Pipfile.lock
index 806c9762e..892faf4af 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -19,10 +19,10 @@
     "develop": {
         "aspy.yaml": {
             "hashes": [
-                "sha256:ae249074803e8b957c83fdd82a99160d0d6d26dff9ba81ba608b42eebd7d8cd3",
-                "sha256:c7390d79f58eb9157406966201abf26da0d56c07e0ff0deadc39c8f4dbc13482"
+                "sha256:463372c043f70160a9ec950c3f1e4c3a82db5fca01d334b6bc89c7164d744bdc",
+                "sha256:e7c742382eff2caed61f87a39d13f99109088e5e93f04d76eb8d4b28aa143f45"
             ],
-            "version": "==1.2.0"
+            "version": "==1.3.0"
         },
         "atomicwrites": {
             "hashes": [
@@ -55,17 +55,17 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:59b7658e26ca9c7339e00f8f4636cdfe59d34fa37b9b04f6f9e9926b3cece1a5",
-                "sha256:b26104d6835d1f5e49452a26eb2ff87fe7090b89dfcaee5ea2212697e1e1d7ae"
+                "sha256:046832c04d4e752f37383b628bc601a7ea7211496b4638f6514d0e5b9acc4939",
+                "sha256:945e3ba63a0b9f577b1395204e13c3a231f9bc0223888be653286534e5873695"
             ],
-            "version": "==2019.3.9"
+            "version": "==2019.6.16"
         },
         "cfgv": {
             "hashes": [
-                "sha256:6e9f2feea5e84bc71e56abd703140d7a2c250fc5ba38b8702fd6a68ed4e3b2ef",
-                "sha256:e7f186d4a36c099a9e20b04ac3108bd8bb9b9257e692ce18c8c3764d5cb12172"
+                "sha256:edb387943b665bf9c434f717bf630fa78aecd53d5900d2e05da6ad6048553144",
+                "sha256:fbd93c9ab0a523bf7daec408f3be2ed99a980e20b2d19b50fc184ca6b820d289"
             ],
-            "version": "==1.6.0"
+            "version": "==2.0.1"
         },
         "chardet": {
             "hashes": [
@@ -76,39 +76,40 @@
         },
         "coverage": {
             "hashes": [
-                "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"
-            ],
-            "version": "==4.5.3"
+                "sha256:08907593569fe59baca0bf152c43f3863201efb6113ecb38ce7e97ce339805a6",
+                "sha256:0be0f1ed45fc0c185cfd4ecc19a1d6532d72f86a2bac9de7e24541febad72650",
+                "sha256:141f08ed3c4b1847015e2cd62ec06d35e67a3ac185c26f7635f4406b90afa9c5",
+                "sha256:19e4df788a0581238e9390c85a7a09af39c7b539b29f25c89209e6c3e371270d",
+                "sha256:23cc09ed395b03424d1ae30dcc292615c1372bfba7141eb85e11e50efaa6b351",
+                "sha256:245388cda02af78276b479f299bbf3783ef0a6a6273037d7c60dc73b8d8d7755",
+                "sha256:331cb5115673a20fb131dadd22f5bcaf7677ef758741312bee4937d71a14b2ef",
+                "sha256:386e2e4090f0bc5df274e720105c342263423e77ee8826002dcffe0c9533dbca",
+                "sha256:3a794ce50daee01c74a494919d5ebdc23d58873747fa0e288318728533a3e1ca",
+                "sha256:60851187677b24c6085248f0a0b9b98d49cba7ecc7ec60ba6b9d2e5574ac1ee9",
+                "sha256:63a9a5fc43b58735f65ed63d2cf43508f462dc49857da70b8980ad78d41d52fc",
+                "sha256:6b62544bb68106e3f00b21c8930e83e584fdca005d4fffd29bb39fb3ffa03cb5",
+                "sha256:6ba744056423ef8d450cf627289166da65903885272055fb4b5e113137cfa14f",
+                "sha256:7494b0b0274c5072bddbfd5b4a6c6f18fbbe1ab1d22a41e99cd2d00c8f96ecfe",
+                "sha256:826f32b9547c8091679ff292a82aca9c7b9650f9fda3e2ca6bf2ac905b7ce888",
+                "sha256:93715dffbcd0678057f947f496484e906bf9509f5c1c38fc9ba3922893cda5f5",
+                "sha256:9a334d6c83dfeadae576b4d633a71620d40d1c379129d587faa42ee3e2a85cce",
+                "sha256:af7ed8a8aa6957aac47b4268631fa1df984643f07ef00acd374e456364b373f5",
+                "sha256:bf0a7aed7f5521c7ca67febd57db473af4762b9622254291fbcbb8cd0ba5e33e",
+                "sha256:bf1ef9eb901113a9805287e090452c05547578eaab1b62e4ad456fcc049a9b7e",
+                "sha256:c0afd27bc0e307a1ffc04ca5ec010a290e49e3afbe841c5cafc5c5a80ecd81c9",
+                "sha256:dd579709a87092c6dbee09d1b7cfa81831040705ffa12a1b248935274aee0437",
+                "sha256:df6712284b2e44a065097846488f66840445eb987eb81b3cc6e4149e7b6982e1",
+                "sha256:e07d9f1a23e9e93ab5c62902833bf3e4b1f65502927379148b6622686223125c",
+                "sha256:e2ede7c1d45e65e209d6093b762e98e8318ddeff95317d07a27a2140b80cfd24",
+                "sha256:e4ef9c164eb55123c62411f5936b5c2e521b12356037b6e1c2617cef45523d47",
+                "sha256:eca2b7343524e7ba246cab8ff00cab47a2d6d54ada3b02772e908a45675722e2",
+                "sha256:eee64c616adeff7db37cc37da4180a3a5b6177f5c46b187894e633f088fb5b28",
+                "sha256:ef824cad1f980d27f26166f86856efe11eff9912c4fed97d3804820d43fa550c",
+                "sha256:efc89291bd5a08855829a3c522df16d856455297cf35ae827a37edac45f466a7",
+                "sha256:fa964bae817babece5aa2e8c1af841bebb6d0b9add8e637548809d040443fee0",
+                "sha256:ff37757e068ae606659c28c3bd0d923f9d29a85de79bf25b2b34b148473b5025"
+            ],
+            "version": "==4.5.4"
         },
         "coveralls": {
             "hashes": [
@@ -126,11 +127,11 @@
         },
         "docutils": {
             "hashes": [
-                "sha256:02aec4bd92ab067f6ff27a38a38a41173bf01bed8f89157768c1573f53e474a6",
-                "sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274",
-                "sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6"
+                "sha256:6c4f696463b79f1fb8ba0c594b63840ebd41f059e92b31957c46b74a4599b6d0",
+                "sha256:9e4d7ecfc600058e07ba661411a2b7de2fd0fafa17d1a7f7361cd47b1175c827",
+                "sha256:a2aeea129088da402665e92e0b25b04b073c04b2dce4ab65caaa38b7ce2e1a99"
             ],
-            "version": "==0.14"
+            "version": "==0.15.2"
         },
         "entrypoints": {
             "hashes": [
@@ -159,10 +160,10 @@
         },
         "identify": {
             "hashes": [
-                "sha256:443f419ca6160773cbaf22dbb302b1e436a386f23129dbb5482b68a147c2eca9",
-                "sha256:bd7f15fe07112b713fb68fbdde3a34dd774d9062128f2c398104889f783f989d"
+                "sha256:0a11379b46d06529795442742a043dc2fa14cd8c995ae81d1febbc5f1c014c87",
+                "sha256:43a5d24ffdb07bc7e21faf68b08e9f526a1f41f0056073f480291539ef961dfd"
             ],
-            "version": "==1.4.2"
+            "version": "==1.4.5"
         },
         "idna": {
             "hashes": [
@@ -173,10 +174,10 @@
         },
         "importlib-metadata": {
             "hashes": [
-                "sha256:46fc60c34b6ed7547e2a723fc8de6dc2e3a1173f8423246b3ce497f064e9c3de",
-                "sha256:bc136180e961875af88b1ab85b4009f4f1278f8396a60526c0009f503a1a96ca"
+                "sha256:23d3d873e008a513952355379d93cbcab874c58f4f034ff657c7a87422fa64e8",
+                "sha256:80d2de76188eabfbfcf27e6a37342c2827801e59c4cc14b0371c56fed43820e3"
             ],
-            "version": "==0.9"
+            "version": "==0.19"
         },
         "importlib-resources": {
             "hashes": [
@@ -226,10 +227,10 @@
         },
         "pbr": {
             "hashes": [
-                "sha256:6901995b9b686cb90cceba67a0f6d4d14ae003cd59bc12beb61549bdfbe3bc89",
-                "sha256:d950c64aeea5456bbd147468382a5bb77fe692c13c9f00f0219814ce5b642755"
+                "sha256:56e52299170b9492513c64be44736d27a512fa7e606f21942160b68ce510b4bc",
+                "sha256:9b321c204a88d8ab5082699469f52cc94c5da45c51f114113d01b3d993c24cdf"
             ],
-            "version": "==5.2.0"
+            "version": "==5.4.2"
         },
         "pkginfo": {
             "hashes": [
@@ -240,18 +241,18 @@
         },
         "pluggy": {
             "hashes": [
-                "sha256:19ecf9ce9db2fce065a7a0586e07cfb4ac8614fe96edf628a264b1c70116cf8f",
-                "sha256:84d306a647cc805219916e62aab89caa97a33a1dd8c342e87a37f91073cd4746"
+                "sha256:0825a152ac059776623854c1543d65a4ad408eb3d33ee114dff91e57ec6ae6fc",
+                "sha256:b9817417e95936bf75d85d3f8767f7df6cdde751fc40aed3bb3074cbcb77757c"
             ],
-            "version": "==0.9.0"
+            "version": "==0.12.0"
         },
         "pre-commit": {
             "hashes": [
-                "sha256:2576a2776098f3902ef9540a84696e8e06bf18a337ce43a6a889e7fa5d26c4c5",
-                "sha256:82f2f2d657d7f9280de9f927ae56886d60b9ef7f3714eae92d12713cd9cb9e11"
+                "sha256:704d9c48d7efb5bd36dcf8e8c3529fa95689b4f8b5c80b3fceab235ee2394ba1",
+                "sha256:8615bff705a56684462f9f0e8e1a22f3476bcdda0f204e77f70fbddb330ffeb4"
             ],
             "index": "pypi",
-            "version": "==1.15.2"
+            "version": "==1.18.0"
         },
         "py": {
             "hashes": [
@@ -276,10 +277,10 @@
         },
         "pygments": {
             "hashes": [
-                "sha256:5ffada19f6203563680669ee7f53b64dabbeb100eb51b61996085e99c03b284a",
-                "sha256:e8218dd399a61674745138520d0d4cf2621d7e032439341bc3f647bff125818d"
+                "sha256:71e430bc85c88a430f000ac1d9b331d2407f681d6f6aec95e8bcfbc3df5b0127",
+                "sha256:881c4c157e45f30af185c1ffe8d549d48ac9127433f2c380c24b84572ad66297"
             ],
-            "version": "==2.3.1"
+            "version": "==2.4.2"
         },
         "pytest": {
             "hashes": [
@@ -307,19 +308,21 @@
         },
         "pyyaml": {
             "hashes": [
-                "sha256:1adecc22f88d38052fb787d959f003811ca858b799590a5eaa70e63dca50308c",
-                "sha256:436bc774ecf7c103814098159fbb84c2715d25980175292c648f2da143909f95",
-                "sha256:460a5a4248763f6f37ea225d19d5c205677d8d525f6a83357ca622ed541830c2",
-                "sha256:5a22a9c84653debfbf198d02fe592c176ea548cccce47553f35f466e15cf2fd4",
-                "sha256:7a5d3f26b89d688db27822343dfa25c599627bc92093e788956372285c6298ad",
-                "sha256:9372b04a02080752d9e6f990179a4ab840227c6e2ce15b95e1278456664cf2ba",
-                "sha256:a5dcbebee834eaddf3fa7366316b880ff4062e4bcc9787b78c7fbb4a26ff2dd1",
-                "sha256:aee5bab92a176e7cd034e57f46e9df9a9862a71f8f37cad167c6fc74c65f5b4e",
-                "sha256:c51f642898c0bacd335fc119da60baae0824f2cde95b0330b56c0553439f0673",
-                "sha256:c68ea4d3ba1705da1e0d85da6684ac657912679a649e8868bd850d2c299cce13",
-                "sha256:e23d0cc5299223dcc37885dae624f382297717e459ea24053709675a976a3e19"
-            ],
-            "version": "==5.1"
+                "sha256:0113bc0ec2ad727182326b61326afa3d1d8280ae1122493553fd6f4397f33df9",
+                "sha256:01adf0b6c6f61bd11af6e10ca52b7d4057dd0be0343eb9283c878cf3af56aee4",
+                "sha256:5124373960b0b3f4aa7df1707e63e9f109b5263eca5976c66e08b1c552d4eaf8",
+                "sha256:5ca4f10adbddae56d824b2c09668e91219bb178a1eee1faa56af6f99f11bf696",
+                "sha256:7907be34ffa3c5a32b60b95f4d95ea25361c951383a894fec31be7252b2b6f34",
+                "sha256:7ec9b2a4ed5cad025c2278a1e6a19c011c80a3caaac804fd2d329e9cc2c287c9",
+                "sha256:87ae4c829bb25b9fe99cf71fbb2140c448f534e24c998cc60f39ae4f94396a73",
+                "sha256:9de9919becc9cc2ff03637872a440195ac4241c80536632fffeb6a1e25a74299",
+                "sha256:a5a85b10e450c66b49f98846937e8cfca1db3127a9d5d1e31ca45c3d0bef4c5b",
+                "sha256:b0997827b4f6a7c286c01c5f60384d218dca4ed7d9efa945c3e1aa623d5709ae",
+                "sha256:b631ef96d3222e62861443cc89d6563ba3eeb816eeb96b2629345ab795e53681",
+                "sha256:bf47c0607522fdbca6c9e817a6e81b08491de50f3766a7a0e6a5be7905961b41",
+                "sha256:f81025eddd0327c7d4cfe9b62cf33190e1e736cc6e97502b3ec425f574b3e7a8"
+            ],
+            "version": "==5.1.2"
         },
         "readme-renderer": {
             "hashes": [
@@ -330,10 +333,10 @@
         },
         "requests": {
             "hashes": [
-                "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",
-                "sha256:7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b"
+                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
+                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
             ],
-            "version": "==2.21.0"
+            "version": "==2.22.0"
         },
         "requests-toolbelt": {
             "hashes": [
@@ -375,10 +378,10 @@
         },
         "tqdm": {
             "hashes": [
-                "sha256:d385c95361699e5cf7622485d9b9eae2d4864b21cd5a2374a9c381ffed701021",
-                "sha256:e22977e3ebe961f72362f6ddfb9197cc531c9737aaf5f607ef09740c849ecd05"
+                "sha256:14a285392c32b6f8222ecfbcd217838f88e11630affe9006cd0e94c7eff3cb61",
+                "sha256:25d4c0ea02a305a688e7e9c2cdc8f862f989ef2a4701ab28ee963295f5b109ab"
             ],
-            "version": "==4.31.1"
+            "version": "==4.32.2"
         },
         "twine": {
             "hashes": [
@@ -390,17 +393,17 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:4c291ca23bbb55c76518905869ef34bdd5f0e46af7afe6861e8375643ffee1a0",
-                "sha256:9a247273df709c4fedb38c711e44292304f73f39ab01beda9f6b9fc375669ac3"
+                "sha256:b246607a25ac80bedac05c6f282e3cdaf3afb65420fd024ac94435cabe6e18d1",
+                "sha256:dbe59173209418ae49d485b87d1681aefa36252ee85884c31346debd19463232"
             ],
-            "version": "==1.24.2"
+            "version": "==1.25.3"
         },
         "virtualenv": {
             "hashes": [
-                "sha256:15ee248d13e4001a691d9583948ad3947bcb8a289775102e4c4aa98a8b7a6d73",
-                "sha256:bfc98bb9b42a3029ee41b96dc00a34c2f254cbf7716bec824477b2c82741a5c4"
+                "sha256:6cb2e4c18d22dbbe283d0a0c31bb7d90771a606b2cb3415323eea008eaee6a9d",
+                "sha256:909fe0d3f7c9151b2df0a2cb53e55bdb7b0d61469353ff7a49fd47b0f0ab9285"
             ],
-            "version": "==16.5.0"
+            "version": "==16.7.2"
         },
         "webencodings": {
             "hashes": [
@@ -411,10 +414,10 @@
         },
         "zipp": {
             "hashes": [
-                "sha256:139391b239594fd8b91d856bc530fbd2df0892b17dd8d98a91f018715954185f",
-                "sha256:8047e4575ce8d700370a3301bbfc972896a5845eb62dd535da395b86be95dfad"
+                "sha256:4970c3758f4e89a7857a973b1e2a5d75bcdc47794442f2e2dd4fe8e0466e809a",
+                "sha256:8a5712cfd3bb4248015eb3b0b3c54a5f6ee3f2425963ef2a0125b8bc40aafaec"
             ],
-            "version": "==0.4.0"
+            "version": "==0.5.2"
         }
     }
 }