diff --git a/poetry.lock b/poetry.lock
index f5cc87f7a0cdc6bd95b66cbbf4a54d19216a400f..b0531d986d5630fc919c46e42103c00c414edcdb 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -74,7 +74,7 @@ description = "Classes Without Boilerplate"
 name = "attrs"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.2.0"
+version = "19.3.0"
 
 [package.extras]
 azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
@@ -96,7 +96,7 @@ description = "Foreign Function Interface for Python calling C code."
 name = "cffi"
 optional = false
 python-versions = "*"
-version = "1.12.3"
+version = "1.13.1"
 
 [package.dependencies]
 pycparser = "*"
@@ -232,7 +232,7 @@ description = "IPv4/IPv6 manipulation library"
 name = "ipaddress"
 optional = false
 python-versions = "*"
-version = "1.0.22"
+version = "1.0.23"
 
 [[package]]
 category = "main"
@@ -329,20 +329,23 @@ category = "dev"
 description = "A framework for managing and maintaining multi-language pre-commit hooks."
 name = "pre-commit"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.18.3"
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "1.19.0"
 
 [package.dependencies]
 "aspy.yaml" = "*"
 cfgv = ">=2.0.0"
 identify = ">=1.0.0"
-importlib-metadata = "*"
 nodeenv = ">=0.11.1"
 pyyaml = "*"
 six = "*"
 toml = "*"
 virtualenv = ">=15.2"
 
+[package.dependencies.importlib-metadata]
+python = "<3.8"
+version = "*"
+
 [package.dependencies.importlib-resources]
 python = "<3.7"
 version = "*"
@@ -417,7 +420,7 @@ description = "Persistent/Functional/Immutable data structures"
 name = "pyrsistent"
 optional = false
 python-versions = "*"
-version = "0.15.4"
+version = "0.15.5"
 
 [package.dependencies]
 six = "*"
@@ -428,7 +431,7 @@ description = "pytest: simple powerful testing with Python"
 name = "pytest"
 optional = false
 python-versions = ">=3.5"
-version = "5.2.1"
+version = "5.2.2"
 
 [package.dependencies]
 atomicwrites = ">=1.0"
@@ -574,8 +577,8 @@ category = "dev"
 description = "Virtual Python Environment builder"
 name = "virtualenv"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "16.7.5"
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
+version = "16.7.7"
 
 [package.extras]
 docs = ["sphinx (>=1.8.0,<2)", "towncrier (>=18.5.0)", "sphinx-rtd-theme (>=0.4.2,<1)"]
@@ -656,8 +659,8 @@ attr = [
     {file = "attr-0.3.1.tar.gz", hash = "sha256:9091548058d17f132596e61fa7518e504f76b9a4c61ca7d86e1f96dbf7d4775d"},
 ]
 attrs = [
-    {file = "attrs-19.2.0-py2.py3-none-any.whl", hash = "sha256:ec20e7a4825331c1b5ebf261d111e16fa9612c1f7a5e1f884f12bd53a664dfd2"},
-    {file = "attrs-19.2.0.tar.gz", hash = "sha256:f913492e1663d3c36f502e5e9ba6cd13cf19d7fab50aa13239e420fef95e1396"},
+    {file = "attrs-19.3.0-py2.py3-none-any.whl", hash = "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c"},
+    {file = "attrs-19.3.0.tar.gz", hash = "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"},
 ]
 base58 = [
     {file = "base58-1.0.3-py2-none-any.whl", hash = "sha256:1e42993c0628ed4f898c03b522b26af78fb05115732549b21a028bc4633d19ab"},
@@ -665,34 +668,38 @@ base58 = [
     {file = "base58-1.0.3.tar.gz", hash = "sha256:9a793c599979c497800eb414c852b80866f28daaed5494703fc129592cc83e60"},
 ]
 cffi = [
-    {file = "cffi-1.12.3-cp27-cp27m-macosx_10_6_intel.whl", hash = "sha256:5662ad4e4e84f1eaa8efce5da695c5d2e229c563f9d5ce5b0113f71321bcf753"},
-    {file = "cffi-1.12.3-cp27-cp27m-manylinux1_i686.whl", hash = "sha256:a8dccd61d52a8dae4a825cdbb7735da530179fea472903eb871a5513b5abbfdc"},
-    {file = "cffi-1.12.3-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:4aa8ee7ba27c472d429b980c51e714a24f47ca296d53f4d7868075b175866f4b"},
-    {file = "cffi-1.12.3-cp27-cp27m-win32.whl", hash = "sha256:34c77afe85b6b9e967bd8154e3855e847b70ca42043db6ad17f26899a3df1b25"},
-    {file = "cffi-1.12.3-cp27-cp27m-win_amd64.whl", hash = "sha256:a5457d47dfff24882a21492e5815f891c0ca35fefae8aa742c6c263dac16ef1f"},
-    {file = "cffi-1.12.3-cp27-cp27mu-manylinux1_i686.whl", hash = "sha256:46de5fa00f7ac09f020729148ff632819649b3e05a007d286242c4882f7b1dc3"},
-    {file = "cffi-1.12.3-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:2444d0c61f03dcd26dbf7600cf64354376ee579acad77aef459e34efcb438c63"},
-    {file = "cffi-1.12.3-cp34-cp34m-macosx_10_6_intel.whl", hash = "sha256:a2e85dc204556657661051ff4bab75a84e968669765c8a2cd425918699c3d0e8"},
-    {file = "cffi-1.12.3-cp34-cp34m-manylinux1_i686.whl", hash = "sha256:55cad9a6df1e2a1d62063f79d0881a414a906a6962bc160ac968cc03ed3efcfb"},
-    {file = "cffi-1.12.3-cp34-cp34m-manylinux1_x86_64.whl", hash = "sha256:d2c5cfa536227f57f97c92ac30c8109688ace8fa4ac086d19d0af47d134e2909"},
-    {file = "cffi-1.12.3-cp34-cp34m-win32.whl", hash = "sha256:ed851c75d1e0e043cbf5ca9a8e1b13c4c90f3fbd863dacb01c0808e2b5204201"},
-    {file = "cffi-1.12.3-cp34-cp34m-win_amd64.whl", hash = "sha256:d42b5796e20aacc9d15e66befb7a345454eef794fdb0737d1af593447c6c8f45"},
-    {file = "cffi-1.12.3-cp35-cp35m-macosx_10_6_intel.whl", hash = "sha256:046ef9a22f5d3eed06334d01b1e836977eeef500d9b78e9ef693f9380ad0b83d"},
-    {file = "cffi-1.12.3-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:e1ff2748c84d97b065cc95429814cdba39bcbd77c9c85c89344b317dc0d9cbff"},
-    {file = "cffi-1.12.3-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:4d0004eb4351e35ed950c14c11e734182591465a33e960a4ab5e8d4f04d72647"},
-    {file = "cffi-1.12.3-cp35-cp35m-win32.whl", hash = "sha256:4e3d3f31a1e202b0f5a35ba3bc4eb41e2fc2b11c1eff38b362de710bcffb5016"},
-    {file = "cffi-1.12.3-cp35-cp35m-win_amd64.whl", hash = "sha256:066bc4c7895c91812eff46f4b1c285220947d4aa46fa0a2651ff85f2afae9c90"},
-    {file = "cffi-1.12.3-cp36-cp36m-macosx_10_6_intel.whl", hash = "sha256:73e1ffefe05e4ccd7bcea61af76f36077b914f92b76f95ccf00b0c1b9186f3f9"},
-    {file = "cffi-1.12.3-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:b012a5edb48288f77a63dba0840c92d0504aa215612da4541b7b42d849bc83a3"},
-    {file = "cffi-1.12.3-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:59b4dc008f98fc6ee2bb4fd7fc786a8d70000d058c2bbe2698275bc53a8d3fa7"},
-    {file = "cffi-1.12.3-cp36-cp36m-win32.whl", hash = "sha256:300832850b8f7967e278870c5d51e3819b9aad8f0a2c8dbe39ab11f119237f45"},
-    {file = "cffi-1.12.3-cp36-cp36m-win_amd64.whl", hash = "sha256:066c7ff148ae33040c01058662d6752fd73fbc8e64787229ea8498c7d7f4041b"},
-    {file = "cffi-1.12.3-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:a1f0fd46eba2d71ce1589f7e50a9e2ffaeb739fb2c11e8192aa2b45d5f6cc41f"},
-    {file = "cffi-1.12.3-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:50bec6d35e6b1aaeb17f7c4e2b9374ebf95a8975d57863546fa83e8d31bdb8c4"},
-    {file = "cffi-1.12.3-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:ae61af521ed676cf16ae94f30fe202781a38d7178b6b4ab622e4eec8cefaff42"},
-    {file = "cffi-1.12.3-cp37-cp37m-win32.whl", hash = "sha256:dee54f5d30d775f525894d67b1495625dd9322945e7fee00731952e0368ff42d"},
-    {file = "cffi-1.12.3-cp37-cp37m-win_amd64.whl", hash = "sha256:e070535507bd6aa07124258171be2ee8dfc19119c28ca94c9dfb7efd23564512"},
-    {file = "cffi-1.12.3.tar.gz", hash = "sha256:041c81822e9f84b1d9c401182e174996f0bae9991f33725d059b771744290774"},
+    {file = "cffi-1.13.1-cp27-cp27m-macosx_10_6_intel.whl", hash = "sha256:9009e917d8f5ef780c2626e29b6bc126f4cb2a4d43ca67aa2b40f2a5d6385e78"},
+    {file = "cffi-1.13.1-cp27-cp27m-manylinux1_i686.whl", hash = "sha256:825ecffd9574557590e3225560a8a9d751f6ffe4a49e3c40918c9969b93395fa"},
+    {file = "cffi-1.13.1-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:193697c2918ecdb3865acf6557cddf5076bb39f1f654975e087b67efdff83365"},
+    {file = "cffi-1.13.1-cp27-cp27m-win32.whl", hash = "sha256:1ae14b542bf3b35e5229439c35653d2ef7d8316c1fffb980f9b7647e544baa98"},
+    {file = "cffi-1.13.1-cp27-cp27m-win_amd64.whl", hash = "sha256:0ea23c9c0cdd6778146a50d867d6405693ac3b80a68829966c98dd5e1bbae400"},
+    {file = "cffi-1.13.1-cp27-cp27mu-manylinux1_i686.whl", hash = "sha256:ec2fa3ee81707a5232bf2dfbd6623fdb278e070d596effc7e2d788f2ada71a05"},
+    {file = "cffi-1.13.1-cp27-cp27mu-manylinux1_x86_64.whl", hash = "sha256:7cfcfda59ef1f95b9f729c56fe8a4041899f96b72685d36ef16a3440a0f85da8"},
+    {file = "cffi-1.13.1-cp34-cp34m-macosx_10_6_intel.whl", hash = "sha256:6fd58366747debfa5e6163ada468a90788411f10c92597d3b0a912d07e580c36"},
+    {file = "cffi-1.13.1-cp34-cp34m-manylinux1_i686.whl", hash = "sha256:9c77564a51d4d914ed5af096cd9843d90c45b784b511723bd46a8a9d09cf16fc"},
+    {file = "cffi-1.13.1-cp34-cp34m-manylinux1_x86_64.whl", hash = "sha256:728ec653964655d65408949b07f9b2219df78badd601d6c49e28d604efe40599"},
+    {file = "cffi-1.13.1-cp34-cp34m-win32.whl", hash = "sha256:b8f09f21544b9899defb09afbdaeb200e6a87a2b8e604892940044cf94444644"},
+    {file = "cffi-1.13.1-cp34-cp34m-win_amd64.whl", hash = "sha256:8a2bcae2258d00fcfc96a9bde4a6177bc4274fe033f79311c5dd3d3148c26518"},
+    {file = "cffi-1.13.1-cp35-cp35m-macosx_10_6_intel.whl", hash = "sha256:a19089fa74ed19c4fe96502a291cfdb89223a9705b1d73b3005df4256976142e"},
+    {file = "cffi-1.13.1-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:e22a00c0c81ffcecaf07c2bfb3672fa372c50e2bd1024ffee0da191c1b27fc71"},
+    {file = "cffi-1.13.1-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:bb75ba21d5716abc41af16eac1145ab2e471deedde1f22c6f99bd9f995504df0"},
+    {file = "cffi-1.13.1-cp35-cp35m-win32.whl", hash = "sha256:364f8404034ae1b232335d8c7f7b57deac566f148f7222cef78cf8ae28ef764e"},
+    {file = "cffi-1.13.1-cp35-cp35m-win_amd64.whl", hash = "sha256:fd82eb4694be712fcae03c717ca2e0fc720657ac226b80bbb597e971fc6928c2"},
+    {file = "cffi-1.13.1-cp36-cp36m-macosx_10_6_intel.whl", hash = "sha256:5ba86e1d80d458b338bda676fd9f9d68cb4e7a03819632969cf6d46b01a26730"},
+    {file = "cffi-1.13.1-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:63424daa6955e6b4c70dc2755897f5be1d719eabe71b2625948b222775ed5c43"},
+    {file = "cffi-1.13.1-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:33142ae9807665fa6511cfa9857132b2c3ee6ddffb012b3f0933fc11e1e830d5"},
+    {file = "cffi-1.13.1-cp36-cp36m-win32.whl", hash = "sha256:e55b5a746fb77f10c83e8af081979351722f6ea48facea79d470b3731c7b2891"},
+    {file = "cffi-1.13.1-cp36-cp36m-win_amd64.whl", hash = "sha256:47368f69fe6529f8f49a5d146ddee713fc9057e31d61e8b6dc86a6a5e38cecc1"},
+    {file = "cffi-1.13.1-cp37-cp37m-macosx_10_6_intel.whl", hash = "sha256:4895640844f17bec32943995dc8c96989226974dfeb9dd121cc45d36e0d0c434"},
+    {file = "cffi-1.13.1-cp37-cp37m-manylinux1_i686.whl", hash = "sha256:00d890313797d9fe4420506613384b43099ad7d2b905c0752dbcc3a6f14d80fa"},
+    {file = "cffi-1.13.1-cp37-cp37m-manylinux1_x86_64.whl", hash = "sha256:a40ed527bffa2b7ebe07acc5a3f782da072e262ca994b4f2085100b5a444bbb2"},
+    {file = "cffi-1.13.1-cp37-cp37m-win32.whl", hash = "sha256:6381a7d8b1ebd0bc27c3bc85bc1bfadbb6e6f756b4d4db0aa1425c3719ba26b4"},
+    {file = "cffi-1.13.1-cp37-cp37m-win_amd64.whl", hash = "sha256:1e389e069450609c6ffa37f21f40cce36f9be7643bbe5051ab1de99d5a779526"},
+    {file = "cffi-1.13.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:6381ab708158c4e1639da1f2a7679a9bbe3e5a776fc6d1fd808076f0e3145331"},
+    {file = "cffi-1.13.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:0cf9e550ac6c5e57b713437e2f4ac2d7fd0cd10336525a27224f5fc1ec2ee59a"},
+    {file = "cffi-1.13.1-cp38-cp38-win32.whl", hash = "sha256:819f8d5197c2684524637f940445c06e003c4a541f9983fd30d6deaa2a5487d8"},
+    {file = "cffi-1.13.1-cp38-cp38-win_amd64.whl", hash = "sha256:263242b6ace7f9cd4ea401428d2d45066b49a700852334fd55311bde36dcda14"},
+    {file = "cffi-1.13.1.tar.gz", hash = "sha256:558b3afef987cf4b17abd849e7bedf64ee12b28175d564d05b628a0f9355599b"},
 ]
 cfgv = [
     {file = "cfgv-2.0.1-py2.py3-none-any.whl", hash = "sha256:fbd93c9ab0a523bf7daec408f3be2ed99a980e20b2d19b50fc184ca6b820d289"},
@@ -772,8 +779,8 @@ importlib-resources = [
     {file = "importlib_resources-1.0.2.tar.gz", hash = "sha256:d3279fd0f6f847cced9f7acc19bd3e5df54d34f93a2e7bb5f238f81545787078"},
 ]
 ipaddress = [
-    {file = "ipaddress-1.0.22-py2.py3-none-any.whl", hash = "sha256:64b28eec5e78e7510698f6d4da08800a5c575caa4a286c93d651c5d3ff7b6794"},
-    {file = "ipaddress-1.0.22.tar.gz", hash = "sha256:b146c751ea45cad6188dd6cf2d9b757f6f4f8d6ffb96a023e6f2e26eea02a72c"},
+    {file = "ipaddress-1.0.23-py2.py3-none-any.whl", hash = "sha256:6e0f4a39e66cb5bb9a137b00276a2eff74f93b71dcbdad6f10ff7df9d3557fcc"},
+    {file = "ipaddress-1.0.23.tar.gz", hash = "sha256:b7f8e0369580bb4a24d5ba1d7cc29660a4a6987763faf1d8a8046830e020e7e2"},
 ]
 jsonschema = [
     {file = "jsonschema-3.1.1-py2.py3-none-any.whl", hash = "sha256:94c0a13b4a0616458b42529091624e66700a17f847453e52279e35509a5b7631"},
@@ -834,8 +841,8 @@ pluggy = [
     {file = "pluggy-0.13.0.tar.gz", hash = "sha256:fa5fa1622fa6dd5c030e9cad086fa19ef6a0cf6d7a2d12318e10cb49d6d68f34"},
 ]
 pre-commit = [
-    {file = "pre_commit-1.18.3-py2.py3-none-any.whl", hash = "sha256:fa78ff96e8e9ac94c748388597693f18b041a181c94a4f039ad20f45287ba44a"},
-    {file = "pre_commit-1.18.3.tar.gz", hash = "sha256:1d3c0587bda7c4e537a46c27f2c84aa006acc18facf9970bf947df596ce91f3f"},
+    {file = "pre_commit-1.19.0-py2.py3-none-any.whl", hash = "sha256:8dbdad6e79fa438b9ae4dafc91c85baf93a5ff29aeff5d6899396d5aebe2d338"},
+    {file = "pre_commit-1.19.0.tar.gz", hash = "sha256:2080b7a375e54e4fdc41bd0606193d0bad06b4d4f23526ffb73f0b512b537353"},
 ]
 py = [
     {file = "py-1.8.0-py2.py3-none-any.whl", hash = "sha256:64f65755aee5b381cea27766a3a147c3f15b9b6b9ac88676de66ba2ae36793fa"},
@@ -879,11 +886,11 @@ pypeg2 = [
     {file = "pyPEG2-2.15.2.tar.gz", hash = "sha256:2b2d4f80d8e1a9370b2a91f4a25f4abf7f69b85c8da84cd23ec36451958a1f6d"},
 ]
 pyrsistent = [
-    {file = "pyrsistent-0.15.4.tar.gz", hash = "sha256:34b47fa169d6006b32e99d4b3c4031f155e6e68ebcc107d6454852e8e0ee6533"},
+    {file = "pyrsistent-0.15.5.tar.gz", hash = "sha256:eb6545dbeb1aa69ab1fb4809bfbf5a8705e44d92ef8fc7c2361682a47c46c778"},
 ]
 pytest = [
-    {file = "pytest-5.2.1-py3-none-any.whl", hash = "sha256:7e4800063ccfc306a53c461442526c5571e1462f61583506ce97e4da6a1d88c8"},
-    {file = "pytest-5.2.1.tar.gz", hash = "sha256:ca563435f4941d0cb34767301c27bc65c510cb82e90b9ecf9cb52dc2c63caaa0"},
+    {file = "pytest-5.2.2-py3-none-any.whl", hash = "sha256:58cee9e09242937e136dbb3dab466116ba20d6b7828c7620f23947f37eb4dae4"},
+    {file = "pytest-5.2.2.tar.gz", hash = "sha256:27abc3fef618a01bebb1f0d6d303d2816a99aa87a5968ebc32fe971be91eb1e6"},
 ]
 pytest-asyncio = [
     {file = "pytest-asyncio-0.10.0.tar.gz", hash = "sha256:9fac5100fd716cbecf6ef89233e8590a4ad61d729d1732e0a96b84182df1daaf"},
@@ -941,8 +948,8 @@ typing-extensions = [
     {file = "typing_extensions-3.7.4.tar.gz", hash = "sha256:2ed632b30bb54fc3941c382decfd0ee4148f5c591651c9272473fea2c6397d95"},
 ]
 virtualenv = [
-    {file = "virtualenv-16.7.5-py2.py3-none-any.whl", hash = "sha256:680af46846662bb38c5504b78bad9ed9e4f3ba2d54f54ba42494fdf94337fe30"},
-    {file = "virtualenv-16.7.5.tar.gz", hash = "sha256:f78d81b62d3147396ac33fc9d77579ddc42cc2a98dd9ea38886f616b33bc7fb2"},
+    {file = "virtualenv-16.7.7-py2.py3-none-any.whl", hash = "sha256:11cb4608930d5fd3afb545ecf8db83fa50e1f96fc4fca80c94b07d2c83146589"},
+    {file = "virtualenv-16.7.7.tar.gz", hash = "sha256:d257bb3773e48cac60e475a19b608996c73f4d333b3ba2e4e57d5ac6134e0136"},
 ]
 wcwidth = [
     {file = "wcwidth-0.1.7-py2.py3-none-any.whl", hash = "sha256:f4ebe71925af7b40a864553f761ed559b43544f8f71746c2d756c7fe788ade7c"},