diff --git a/Pipfile.lock b/Pipfile.lock
index 13f5034..b0967d4 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -28,7 +28,6 @@
                 "sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0",
                 "sha256:ec9ae8adaae229e4f8446952d204a3e4b5fdd2d099f9be3aaf556120135fb3ee"
             ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
             "version": "==1.2.1"
         },
         "attrs": {
@@ -48,10 +47,10 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:376690d6f16d32f9d1fe8932551d80b23e9d393a8578c5633a2ed39a64861638",
-                "sha256:456048c7e371c089d0a77a5212fb37a2c2dce1e24146e3b7e0261736aaeaa22a"
+                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
+                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
             ],
-            "version": "==2018.8.24"
+            "version": "==2018.11.29"
         },
         "cffi": {
             "hashes": [
@@ -88,7 +87,6 @@
                 "sha256:edabd457cd23a02965166026fd9bfd196f4324fe6032e866d0f3bd0301cd486f",
                 "sha256:fdf1c1dc5bafc32bc5d08b054f94d659422b05aba244d6be4ddc1c72d9aa70fb"
             ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
             "version": "==1.11.5"
         },
         "chardet": {
@@ -107,28 +105,27 @@
         },
         "cryptography": {
             "hashes": [
-                "sha256:02602e1672b62e803e08617ec286041cc453e8d43f093a5f4162095506bc0beb",
-                "sha256:10b48e848e1edb93c1d3b797c83c72b4c387ab0eb4330aaa26da8049a6cbede0",
-                "sha256:17db09db9d7c5de130023657be42689d1a5f60502a14f6f745f6f65a6b8195c0",
-                "sha256:227da3a896df1106b1a69b1e319dce218fa04395e8cc78be7e31ca94c21254bc",
-                "sha256:2cbaa03ac677db6c821dac3f4cdfd1461a32d0615847eedbb0df54bb7802e1f7",
-                "sha256:31db8febfc768e4b4bd826750a70c79c99ea423f4697d1dab764eb9f9f849519",
-                "sha256:4a510d268e55e2e067715d728e4ca6cd26a8e9f1f3d174faf88e6f2cb6b6c395",
-                "sha256:6a88d9004310a198c474d8a822ee96a6dd6c01efe66facdf17cb692512ae5bc0",
-                "sha256:76936ec70a9b72eb8c58314c38c55a0336a2b36de0c7ee8fb874a4547cadbd39",
-                "sha256:7e3b4aecc4040928efa8a7cdaf074e868af32c58ffc9bb77e7bf2c1a16783286",
-                "sha256:8168bcb08403ef144ff1fb880d416f49e2728101d02aaadfe9645883222c0aa5",
-                "sha256:8229ceb79a1792823d87779959184a1bf95768e9248c93ae9f97c7a2f60376a1",
-                "sha256:8a19e9f2fe69f6a44a5c156968d9fc8df56d09798d0c6a34ccc373bb186cee86",
-                "sha256:8d10113ca826a4c29d5b85b2c4e045ffa8bad74fb525ee0eceb1d38d4c70dfd6",
-                "sha256:be495b8ec5a939a7605274b6e59fbc35e76f5ad814ae010eb679529671c9e119",
-                "sha256:dc2d3f3b1548f4d11786616cf0f4415e25b0fbecb8a1d2cd8c07568f13fdde38",
-                "sha256:e4aecdd9d5a3d06c337894c9a6e2961898d3f64fe54ca920a72234a3de0f9cb3",
-                "sha256:e79ab4485b99eacb2166f3212218dd858258f374855e1568f728462b0e6ee0d9",
-                "sha256:f995d3667301e1754c57b04e0bae6f0fa9d710697a9f8d6712e8cca02550910f"
-            ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
-            "version": "==2.3.1"
+                "sha256:05a6052c6a9f17ff78ba78f8e6eb1d777d25db3b763343a1ae89a7a8670386dd",
+                "sha256:0eb83a24c650a36f68e31a6d0a70f7ad9c358fa2506dc7b683398b92e354a038",
+                "sha256:0ff4a3d6ea86aa0c9e06e92a9f986de7ee8231f36c4da1b31c61a7e692ef3378",
+                "sha256:1699f3e916981df32afdd014fb3164db28cdb61c757029f502cb0a8c29b2fdb3",
+                "sha256:1b1f136d74f411f587b07c076149c4436a169dc19532e587460d9ced24adcc13",
+                "sha256:21e63dd20f5e5455e8b34179ac43d95b3fb1ffa54d071fd2ed5d67da82cfe6dc",
+                "sha256:2454ada8209bbde97065453a6ca488884bbb263e623d35ba183821317a58b46f",
+                "sha256:3cdc5f7ca057b2214ce4569e01b0f368b3de9d8ee01887557755ccd1c15d9427",
+                "sha256:418e7a5ec02a7056d3a4f0c0e7ea81df374205f25f4720bb0e84189aa5fd2515",
+                "sha256:471a097076a7c4ab85561d7fa9a1239bd2ae1f9fd0047520f13d8b340bf3210b",
+                "sha256:5ecaf9e7db3ca582c6de6229525d35db8a4e59dc3e8a40a331674ed90e658cbf",
+                "sha256:63b064a074f8dc61be81449796e2c3f4e308b6eba04a241a5c9f2d05e882c681",
+                "sha256:6afe324dfe6074822ccd56d80420df750e19ac30a4e56c925746c735cf22ae8b",
+                "sha256:70596e90398574b77929cd87e1ac6e43edd0e29ba01e1365fed9c26bde295aa5",
+                "sha256:70c2b04e905d3f72e2ba12c58a590817128dfca08949173faa19a42c824efa0b",
+                "sha256:8908f1db90be48b060888e9c96a0dee9d842765ce9594ff6a23da61086116bb6",
+                "sha256:af12dfc9874ac27ebe57fc28c8df0e8afa11f2a1025566476b0d50cdb8884f70",
+                "sha256:b4fc04326b2d259ddd59ed8ea20405d2e695486ab4c5e1e49b025c484845206e",
+                "sha256:da5b5dda4aa0d5e2b758cc8dfc67f8d4212e88ea9caad5f61ba132f948bab859"
+            ],
+            "version": "==2.4.2"
         },
         "enum34": {
             "hashes": [
@@ -157,10 +154,10 @@
         },
         "idna": {
             "hashes": [
-                "sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",
-                "sha256:684a38a6f903c1d71d6d5fac066b58d7768af4de2b832e426ec79c30daa94a16"
+                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
+                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
             ],
-            "version": "==2.7"
+            "version": "==2.8"
         },
         "incremental": {
             "hashes": [
@@ -187,55 +184,52 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:c187a73da93e7a8acc0001572aebc7e3c69daf7bf6881a2cea10650bd4420092",
-                "sha256:c476b5d3a34e12d40130bc2f935028b5f636df8f372dc2c1c01dc19681b2039e",
-                "sha256:fcbfeaea0be121980e15bc97b3817b5202ca73d0eae185b4550cbfce2a3ebb3d"
+                "sha256:38a936c0a6d98a38bcc2d03fdaaedaba9f412879461dd2ceff8d37564d6522e4",
+                "sha256:c0a5785b1109a6bd7fac76d6837fd1feca158e54e521ccd2ae8bfe393cc9d4fc",
+                "sha256:fe7a7cae1ccb57d33952113ff4fa1bc5f879963600ed74918f1236e212ee50b9"
             ],
-            "version": "==4.3.0"
+            "version": "==5.0.0"
         },
         "pathlib2": {
             "hashes": [
-                "sha256:8eb170f8d0d61825e09a95b38be068299ddeda82f35e96c3301a8a5e7604cb83",
-                "sha256:d1aa2a11ba7b8f7b21ab852b1fb5afb277e1bb99d5dfc663380b5015c0d80c5a"
+                "sha256:25199318e8cc3c25dcb45cbe084cc061051336d5a9ea2a12448d3d8cb748f742",
+                "sha256:5887121d7f7df3603bca2f710e7219f3eca0eb69e0b7cc6e0a022e155ac931a7"
             ],
             "markers": "python_version < '3.6'",
-            "version": "==2.3.2"
+            "version": "==2.3.3"
         },
         "pluggy": {
             "hashes": [
-                "sha256:6e3836e39f4d36ae72840833db137f7b7d35105079aee6ec4a62d9f80d594dd1",
-                "sha256:95eb8364a4708392bae89035f45341871286a333f749c3141c20573d2b3876e1"
+                "sha256:447ba94990e8014ee25ec853339faf7b0fc8050cdc3289d4d71f7f410fb90095",
+                "sha256:bde19360a8ec4dfd8a20dcb811780a30998101f078fc7ded6162f0076f50508f"
             ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
-            "version": "==0.7.1"
+            "version": "==0.8.0"
         },
         "py": {
             "hashes": [
-                "sha256:06a30435d058473046be836d3fc4f27167fd84c45b99704f2fb5509ef61f9af1",
-                "sha256:50402e9d1c9005d759426988a492e0edaadb7f4e68bcddfea586bc7432d009c6"
+                "sha256:bf92637198836372b520efcba9e020c330123be8ce527e535d185ed4b6f45694",
+                "sha256:e76826342cefe3c3d5f7e8ee4316b80d1dd8a300781612ddbc765c17ba25a6c6"
             ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
-            "version": "==1.6.0"
+            "version": "==1.7.0"
         },
         "pyasn1": {
             "hashes": [
-                "sha256:b9d3abc5031e61927c82d4d96c1cec1e55676c1a991623cfed28faea73cdd7ca",
-                "sha256:f58f2a3d12fd754aa123e9fa74fb7345333000a035f3921dbdaa08597aa53137"
+                "sha256:da2420fe13a9452d8ae97a0e478adde1dee153b11ba832a95b223a2ba01c10f7",
+                "sha256:da6b43a8c9ae93bc80e2739efb38cc776ba74a886e3e9318d65fe81a8b8a2c6e"
             ],
-            "version": "==0.4.4"
+            "version": "==0.4.5"
         },
         "pyasn1-modules": {
             "hashes": [
-                "sha256:a0cf3e1842e7c60fde97cb22d275eb6f9524f5c5250489e292529de841417547",
-                "sha256:a38a8811ea784c0136abfdba73963876328f66172db21a05a82f9515909bfb4e"
+                "sha256:642afdabb681d39f5948fd5477764d94faf17ce40e5691e9998b52815fbb4e71",
+                "sha256:d14fcb29dabecba3d7b360bf72327c26c385248a5d603cf6be5f566ce999b261"
             ],
-            "version": "==0.2.2"
+            "version": "==0.2.3"
         },
         "pycparser": {
             "hashes": [
                 "sha256:a988718abfad80b6b157acce7bf130a30876d27603738ac39f140993246b25b3"
             ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
             "version": "==2.19"
         },
         "pyhamcrest": {
@@ -243,7 +237,6 @@
                 "sha256:6b672c02fdf7470df9674ab82263841ce8333fb143f32f021f6cb26f0e512420",
                 "sha256:8ffaa0a53da57e89de14ced7185ac746227a8894dbd5a3c718bf05ddbd1d56cd"
             ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
             "version": "==1.9.0"
         },
         "pyopenssl": {
@@ -263,11 +256,10 @@
         },
         "requests": {
             "hashes": [
-                "sha256:63b52e3c866428a224f97cab011de738c36aec0185aa91cfacd418b5d58911d1",
-                "sha256:ec22d826a36ed72a7358ff3fe56cbd4ba69dd7a6718ffd450ff0e9df7a47ce6a"
+                "sha256:502a824f31acdacb3a35b6690b5fbf0bc41d63a24a45c4004352b0242707598e",
+                "sha256:7bf2a778576d825600030a110f3c0e3e8edc51dfaafe1c146e39a2027784957b"
             ],
-            "markers": "python_version != '3.2.*' and python_version != '3.3.*' and python_version != '3.0.*' and python_version != '3.1.*' and python_version < '4' and python_version >= '2.6'",
-            "version": "==2.19.1"
+            "version": "==2.21.0"
         },
         "scandir": {
             "hashes": [
@@ -295,17 +287,17 @@
         },
         "service-identity": {
             "hashes": [
-                "sha256:0e76f3c042cc0f5c7e6da002cf646f59dc4023962d1d1166343ce53bdad39e17",
-                "sha256:4001fbb3da19e0df22c47a06d29681a398473af4aa9d745eca525b3b2c2302ab"
+                "sha256:001c0707759cb3de7e49c078a7c0c9cd12594161d3bf06b9c254fdcb1a60dc36",
+                "sha256:0858a54aabc5b459d1aafa8a518ed2081a285087f349fe3e55197989232e2e2d"
             ],
-            "version": "==17.0.0"
+            "version": "==18.1.0"
         },
         "six": {
             "hashes": [
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
+                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
+                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
             ],
-            "version": "==1.11.0"
+            "version": "==1.12.0"
         },
         "structlog": {
             "hashes": [
@@ -324,6 +316,9 @@
             "version": "==18.6.0"
         },
         "twisted": {
+            "extras": [
+                "tls"
+            ],
             "hashes": [
                 "sha256:5de7b79b26aee64efe63319bb8f037af88c21287d1502b39706c818065b3d5a4",
                 "sha256:95ae985716e8107816d8d0df249d558dbaabb677987cc2ace45272c166b267e4"
@@ -333,11 +328,10 @@
         },
         "urllib3": {
             "hashes": [
-                "sha256:a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf",
-                "sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5"
+                "sha256:61bf29cada3fc2fbefad4fdf059ea4bd1b4a86d2b6d15e1c7c0b582b9752fe39",
+                "sha256:de9529817c93f27c8ccbfead6985011db27bd0ddfcdb2d86f3f663385c6a9c22"
             ],
-            "markers": "python_version != '3.2.*' and python_version != '3.3.*' and python_version != '3.0.*' and python_version != '3.1.*' and python_version < '4' and python_version >= '2.6'",
-            "version": "==1.23"
+            "version": "==1.24.1"
         },
         "werkzeug": {
             "hashes": [
@@ -348,18 +342,37 @@
         },
         "zope.interface": {
             "hashes": [
-                "sha256:21506674d30c009271fe68a242d330c83b1b9d76d62d03d87e1e9528c61beea6",
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-                "sha256:57c38470d9f57e37afb460c399eb254e7193ac7fb8042bd09bdc001981a9c74c",
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-                "sha256:e6b77ae84f2b8502d99a7855fa33334a1eb6159de45626905cb3e454c023f339",
-                "sha256:e881ef610ff48aece2f4ee2af03d2db1a146dc7c705561bd6089b2356f61641f",
-                "sha256:f41037260deaacb875db250021fe883bf536bf6414a4fd25b25059b02e31b120"
-            ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
-            "version": "==4.5.0"
+                "sha256:086707e0f413ff8800d9c4bc26e174f7ee4c9c8b0302fbad68d083071822316c",
+                "sha256:1157b1ec2a1f5bf45668421e3955c60c610e31913cc695b407a574efdbae1f7b",
+                "sha256:11ebddf765bff3bbe8dbce10c86884d87f90ed66ee410a7e6c392086e2c63d02",
+                "sha256:14b242d53f6f35c2d07aa2c0e13ccb710392bcd203e1b82a1828d216f6f6b11f",
+                "sha256:1b3d0dcabc7c90b470e59e38a9acaa361be43b3a6ea644c0063951964717f0e5",
+                "sha256:20a12ab46a7e72b89ce0671e7d7a6c3c1ca2c2766ac98112f78c5bddaa6e4375",
+                "sha256:298f82c0ab1b182bd1f34f347ea97dde0fffb9ecf850ecf7f8904b8442a07487",
+                "sha256:2f6175722da6f23dbfc76c26c241b67b020e1e83ec7fe93c9e5d3dd18667ada2",
+                "sha256:3b877de633a0f6d81b600624ff9137312d8b1d0f517064dfc39999352ab659f0",
+                "sha256:4265681e77f5ac5bac0905812b828c9fe1ce80c6f3e3f8574acfb5643aeabc5b",
+                "sha256:550695c4e7313555549aa1cdb978dc9413d61307531f123558e438871a883d63",
+                "sha256:5f4d42baed3a14c290a078e2696c5f565501abde1b2f3f1a1c0a94fbf6fbcc39",
+                "sha256:62dd71dbed8cc6a18379700701d959307823b3b2451bdc018594c48956ace745",
+                "sha256:7040547e5b882349c0a2cc9b50674b1745db551f330746af434aad4f09fba2cc",
+                "sha256:7e099fde2cce8b29434684f82977db4e24f0efa8b0508179fce1602d103296a2",
+                "sha256:7e5c9a5012b2b33e87980cee7d1c82412b2ebabcb5862d53413ba1a2cfde23aa",
+                "sha256:81295629128f929e73be4ccfdd943a0906e5fe3cdb0d43ff1e5144d16fbb52b1",
+                "sha256:95cc574b0b83b85be9917d37cd2fad0ce5a0d21b024e1a5804d044aabea636fc",
+                "sha256:968d5c5702da15c5bf8e4a6e4b67a4d92164e334e9c0b6acf080106678230b98",
+                "sha256:9e998ba87df77a85c7bed53240a7257afe51a07ee6bc3445a0bf841886da0b97",
+                "sha256:a0c39e2535a7e9c195af956610dba5a1073071d2d85e9d2e5d789463f63e52ab",
+                "sha256:a15e75d284178afe529a536b0e8b28b7e107ef39626a7809b4ee64ff3abc9127",
+                "sha256:a6a6ff82f5f9b9702478035d8f6fb6903885653bff7ec3a1e011edc9b1a7168d",
+                "sha256:b639f72b95389620c1f881d94739c614d385406ab1d6926a9ffe1c8abbea23fe",
+                "sha256:bad44274b151d46619a7567010f7cde23a908c6faa84b97598fd2f474a0c6891",
+                "sha256:bbcef00d09a30948756c5968863316c949d9cedbc7aabac5e8f0ffbdb632e5f1",
+                "sha256:d788a3999014ddf416f2dc454efa4a5dbeda657c6aba031cf363741273804c6b",
+                "sha256:eed88ae03e1ef3a75a0e96a55a99d7937ed03e53d0cffc2451c208db445a2966",
+                "sha256:f99451f3a579e73b5dd58b1b08d1179791d49084371d9a47baad3b22417f0317"
+            ],
+            "version": "==4.6.0"
         }
     },
     "develop": {
@@ -368,7 +381,6 @@
                 "sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0",
                 "sha256:ec9ae8adaae229e4f8446952d204a3e4b5fdd2d099f9be3aaf556120135fb3ee"
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-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
             "version": "==1.2.1"
         },
         "attrs": {
@@ -381,40 +393,39 @@
         },
         "coverage": {
             "hashes": [
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-            "version": "==4.5.1"
+                "sha256:09e47c529ff77bf042ecfe858fb55c3e3eb97aac2c87f0349ab5a7efd6b3939f",
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+                "sha256:ab235d9fe64833f12d1334d29b558aacedfbca2356dfb9691f2d0d38a8a7bfb4",
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+                "sha256:c45297bbdbc8bb79b02cf41417d63352b70bcb76f1bbb1ee7d47b3e89e42f95d",
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+                "sha256:da969da069a82bbb5300b59161d8d7c8d423bc4ccd3b410a9b4d8932aeefc14b",
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+                "sha256:ee5b8abc35b549012e03a7b1e86c09491457dba6c94112a2482b18589cc2bdb9"
+            ],
+            "version": "==4.5.2"
         },
         "funcsigs": {
             "hashes": [
@@ -426,35 +437,33 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:c187a73da93e7a8acc0001572aebc7e3c69daf7bf6881a2cea10650bd4420092",
-                "sha256:c476b5d3a34e12d40130bc2f935028b5f636df8f372dc2c1c01dc19681b2039e",
-                "sha256:fcbfeaea0be121980e15bc97b3817b5202ca73d0eae185b4550cbfce2a3ebb3d"
+                "sha256:38a936c0a6d98a38bcc2d03fdaaedaba9f412879461dd2ceff8d37564d6522e4",
+                "sha256:c0a5785b1109a6bd7fac76d6837fd1feca158e54e521ccd2ae8bfe393cc9d4fc",
+                "sha256:fe7a7cae1ccb57d33952113ff4fa1bc5f879963600ed74918f1236e212ee50b9"
             ],
-            "version": "==4.3.0"
+            "version": "==5.0.0"
         },
         "pathlib2": {
             "hashes": [
-                "sha256:8eb170f8d0d61825e09a95b38be068299ddeda82f35e96c3301a8a5e7604cb83",
-                "sha256:d1aa2a11ba7b8f7b21ab852b1fb5afb277e1bb99d5dfc663380b5015c0d80c5a"
+                "sha256:25199318e8cc3c25dcb45cbe084cc061051336d5a9ea2a12448d3d8cb748f742",
+                "sha256:5887121d7f7df3603bca2f710e7219f3eca0eb69e0b7cc6e0a022e155ac931a7"
             ],
             "markers": "python_version < '3.6'",
-            "version": "==2.3.2"
+            "version": "==2.3.3"
         },
         "pluggy": {
             "hashes": [
-                "sha256:6e3836e39f4d36ae72840833db137f7b7d35105079aee6ec4a62d9f80d594dd1",
-                "sha256:95eb8364a4708392bae89035f45341871286a333f749c3141c20573d2b3876e1"
+                "sha256:447ba94990e8014ee25ec853339faf7b0fc8050cdc3289d4d71f7f410fb90095",
+                "sha256:bde19360a8ec4dfd8a20dcb811780a30998101f078fc7ded6162f0076f50508f"
             ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
-            "version": "==0.7.1"
+            "version": "==0.8.0"
         },
         "py": {
             "hashes": [
-                "sha256:06a30435d058473046be836d3fc4f27167fd84c45b99704f2fb5509ef61f9af1",
-                "sha256:50402e9d1c9005d759426988a492e0edaadb7f4e68bcddfea586bc7432d009c6"
+                "sha256:bf92637198836372b520efcba9e020c330123be8ce527e535d185ed4b6f45694",
+                "sha256:e76826342cefe3c3d5f7e8ee4316b80d1dd8a300781612ddbc765c17ba25a6c6"
             ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.2.*' and python_version != '3.3.*'",
-            "version": "==1.6.0"
+            "version": "==1.7.0"
         },
         "pytest": {
             "hashes": [
@@ -466,11 +475,11 @@
         },
         "pytest-cov": {
             "hashes": [
-                "sha256:513c425e931a0344944f84ea47f3956be0e416d95acbd897a44970c8d926d5d7",
-                "sha256:e360f048b7dae3f2f2a9a4d067b2dd6b6a015d384d1577c994a43f3f7cbad762"
+                "sha256:0ab664b25c6aa9716cbf203b17ddb301932383046082c081b9848a0edf5add33",
+                "sha256:230ef817450ab0699c6cc3c9c8f7a829c34674456f2ed8df1fe1d39780f7c87f"
             ],
             "index": "pypi",
-            "version": "==2.6.0"
+            "version": "==2.6.1"
         },
         "scandir": {
             "hashes": [
@@ -491,10 +500,10 @@
         },
         "six": {
             "hashes": [
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
+                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
+                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
             ],
-            "version": "==1.11.0"
+            "version": "==1.12.0"
         }
     }
 }