diff --git a/poetry.lock b/poetry.lock
index 8b9f347..4e9932c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,27 +1,26 @@
 [[package]]
-category = "main"
-description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
 name = "appdirs"
+version = "1.4.3"
+description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.4.3"
 
 [[package]]
-category = "main"
-description = "Atomic file writes."
-marker = "sys_platform == \"win32\""
 name = "atomicwrites"
+version = "1.3.0"
+description = "Atomic file writes."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.3.0"
 
 [[package]]
-category = "main"
-description = "Classes Without Boilerplate"
 name = "attrs"
+version = "19.3.0"
+description = "Classes Without Boilerplate"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "19.3.0"
 
 [package.extras]
 azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
@@ -30,93 +29,94 @@ docs = ["sphinx", "zope.interface"]
 tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
 
 [[package]]
-category = "main"
-description = "Python package for providing Mozilla's CA Bundle."
 name = "certifi"
+version = "2019.11.28"
+description = "Python package for providing Mozilla's CA Bundle."
+category = "main"
 optional = false
 python-versions = "*"
-version = "2019.11.28"
 
 [[package]]
-category = "main"
-description = "Universal encoding detector for Python 2 and 3"
 name = "chardet"
+version = "3.0.4"
+description = "Universal encoding detector for Python 2 and 3"
+category = "main"
 optional = false
 python-versions = "*"
-version = "3.0.4"
 
 [[package]]
-category = "main"
-description = "Composable command line interface toolkit"
 name = "click"
+version = "7.0"
+description = "Composable command line interface toolkit"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "7.0"
 
 [[package]]
-category = "main"
-description = "Hosted coverage reports for GitHub, Bitbucket and Gitlab"
 name = "codecov"
+version = "2.0.16"
+description = "Hosted coverage reports for GitHub, Bitbucket and Gitlab"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.0.16"
 
 [package.dependencies]
 coverage = "*"
 requests = ">=2.7.9"
 
 [[package]]
-category = "main"
-description = "Cross-platform colored terminal text."
-marker = "platform_system == \"Windows\" or sys_platform == \"win32\""
 name = "colorama"
+version = "0.4.3"
+description = "Cross-platform colored terminal text."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "0.4.3"
 
 [[package]]
-category = "main"
-description = "Code coverage measurement for Python"
 name = "coverage"
+version = "5.0.3"
+description = "Code coverage measurement for Python"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
-version = "5.0.3"
 
 [package.extras]
 toml = ["toml"]
 
 [[package]]
-category = "main"
-description = "Distribution utilities"
 name = "distlib"
+version = "0.3.0"
+description = "Distribution utilities"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.3.0"
+
+[package.dependencies]
+nut = "*"
 
 [[package]]
-category = "main"
-description = "A platform independent file lock."
 name = "filelock"
+version = "3.0.12"
+description = "A platform independent file lock."
+category = "main"
 optional = false
 python-versions = "*"
-version = "3.0.12"
 
 [[package]]
-category = "main"
-description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
+version = "2.9"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.9"
 
 [[package]]
-category = "main"
-description = "Read metadata from Python packages"
-marker = "python_version < \"3.8\""
 name = "importlib-metadata"
+version = "1.5.0"
+description = "Read metadata from Python packages"
+category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "1.5.0"
 
 [package.dependencies]
 zipp = ">=0.5"
@@ -126,105 +126,108 @@ docs = ["sphinx", "rst.linker"]
 testing = ["packaging", "importlib-resources"]
 
 [[package]]
-category = "main"
-description = "More routines for operating on iterables, beyond itertools"
 name = "more-itertools"
+version = "8.2.0"
+description = "More routines for operating on iterables, beyond itertools"
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "8.2.0"
 
 [[package]]
+name = "nut"
+version = "0.2.0"
+description = "Network utility... things like a UDP/TCP relay."
 category = "main"
-description = "Core utilities for Python packages"
+optional = false
+python-versions = "*"
+
+[[package]]
 name = "packaging"
+version = "20.1"
+description = "Core utilities for Python packages"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "20.1"
 
 [package.dependencies]
 pyparsing = ">=2.0.2"
 six = "*"
 
 [[package]]
-category = "main"
-description = "plugin and hook calling mechanisms for python"
 name = "pluggy"
+version = "0.13.1"
+description = "plugin and hook calling mechanisms for python"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.13.1"
 
 [package.dependencies]
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 
 [package.extras]
 dev = ["pre-commit", "tox"]
 
 [[package]]
-category = "main"
-description = "library with cross-python path, ini-parsing, io, code, log facilities"
 name = "py"
+version = "1.10.0"
+description = "library with cross-python path, ini-parsing, io, code, log facilities"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.8.1"
 
 [[package]]
-category = "main"
-description = "Python parsing module"
 name = "pyparsing"
+version = "2.4.6"
+description = "Python parsing module"
+category = "main"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "2.4.6"
 
 [[package]]
-category = "main"
-description = "pytest: simple powerful testing with Python"
 name = "pytest"
+version = "5.3.5"
+description = "pytest: simple powerful testing with Python"
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "5.3.5"
 
 [package.dependencies]
-atomicwrites = ">=1.0"
+atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
 attrs = ">=17.4.0"
-colorama = "*"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 more-itertools = ">=4.0.0"
 packaging = "*"
 pluggy = ">=0.12,<1.0"
 py = ">=1.5.0"
 wcwidth = "*"
 
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12"
-
 [package.extras]
-checkqa-mypy = ["mypy (v0.761)"]
+checkqa-mypy = ["mypy (==v0.761)"]
 testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
 
 [[package]]
-category = "main"
-description = "Pytest plugin for measuring coverage."
 name = "pytest-cov"
+version = "2.8.1"
+description = "Pytest plugin for measuring coverage."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.8.1"
 
 [package.dependencies]
 coverage = ">=4.4"
 pytest = ">=3.6"
 
 [package.extras]
-testing = ["fields", "hunter", "process-tests (2.0.2)", "six", "virtualenv"]
+testing = ["fields", "hunter", "process-tests (==2.0.2)", "six", "virtualenv"]
 
 [[package]]
-category = "main"
-description = "Python HTTP for Humans."
 name = "requests"
+version = "2.23.0"
+description = "Python HTTP for Humans."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.23.0"
 
 [package.dependencies]
 certifi = ">=2017.4.17"
@@ -234,35 +237,36 @@ urllib3 = ">=1.21.1,<1.25.0 || >1.25.0,<1.25.1 || >1.25.1,<1.26"
 
 [package.extras]
 security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)"]
-socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7)", "win-inet-pton"]
+socks = ["PySocks (>=1.5.6,!=1.5.7)", "win-inet-pton"]
 
 [[package]]
-category = "main"
-description = "Python 2 and 3 compatibility utilities"
 name = "six"
+version = "1.14.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "1.14.0"
 
 [[package]]
-category = "main"
-description = "Python Library for Tom's Obvious, Minimal Language"
 name = "toml"
+version = "0.10.0"
+description = "Python Library for Tom's Obvious, Minimal Language"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.10.0"
 
 [[package]]
-category = "main"
-description = "tox is a generic virtualenv management and test command line tool"
 name = "tox"
+version = "3.14.5"
+description = "tox is a generic virtualenv management and test command line tool"
+category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "3.14.5"
 
 [package.dependencies]
-colorama = ">=0.4.1"
+colorama = {version = ">=0.4.1", markers = "platform_system == \"Windows\""}
 filelock = ">=3.0.0,<4"
+importlib-metadata = {version = ">=0.12,<2", markers = "python_version < \"3.8\""}
 packaging = ">=14"
 pluggy = ">=0.12.0,<1"
 py = ">=1.4.17,<2"
@@ -270,73 +274,66 @@ six = ">=1.14.0,<2"
 toml = ">=0.9.4"
 virtualenv = ">=16.0.0"
 
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12,<2"
-
 [package.extras]
 docs = ["sphinx (>=2.0.0,<3)", "towncrier (>=18.5.0)", "pygments-github-lexers (>=0.0.5)", "sphinxcontrib-autoprogram (>=0.1.5)"]
 testing = ["freezegun (>=0.3.11,<1)", "pathlib2 (>=2.3.3,<3)", "pytest (>=4.0.0,<6)", "pytest-cov (>=2.5.1,<3)", "pytest-mock (>=1.10.0,<2)", "pytest-xdist (>=1.22.2,<2)", "pytest-randomly (>=1.0.0,<4)", "flaky (>=3.4.0,<4)", "psutil (>=5.6.1,<6)"]
 
 [[package]]
-category = "main"
-description = "HTTP library with thread-safe connection pooling, file post, and more."
 name = "urllib3"
+version = "1.25.8"
+description = "HTTP library with thread-safe connection pooling, file post, and more."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
-version = "1.25.8"
 
 [package.extras]
 brotli = ["brotlipy (>=0.6.0)"]
 secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
-socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7,<2.0)"]
+socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
 
 [[package]]
-category = "main"
-description = "Virtual Python Environment builder"
 name = "virtualenv"
+version = "20.0.7"
+description = "Virtual Python Environment builder"
+category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "20.0.7"
 
 [package.dependencies]
 appdirs = ">=1.4.3,<2"
 distlib = ">=0.3.0,<1"
 filelock = ">=3.0.0,<4"
+importlib-metadata = {version = ">=0.12,<2", markers = "python_version < \"3.8\""}
 six = ">=1.9.0,<2"
 
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = ">=0.12,<2"
-
 [package.extras]
 docs = ["sphinx (>=2.0.0,<3)", "sphinx-argparse (>=0.2.5,<1)", "sphinx-rtd-theme (>=0.4.3,<1)", "towncrier (>=19.9.0rc1)", "proselint (>=0.10.2,<1)"]
 testing = ["pytest (>=4.0.0,<6)", "coverage (>=4.5.1,<6)", "pytest-mock (>=2.0.0,<3)", "pytest-env (>=0.6.2,<1)", "packaging (>=20.0)", "xonsh (>=0.9.13,<1)"]
 
 [[package]]
-category = "main"
-description = "Measures number of Terminal column cells of wide-character codes"
 name = "wcwidth"
+version = "0.1.8"
+description = "Measures number of Terminal column cells of wide-character codes"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.1.8"
 
 [[package]]
-category = "main"
-description = "Backport of pathlib-compatible object wrapper for zip files"
-marker = "python_version < \"3.8\""
 name = "zipp"
+version = "3.0.0"
+description = "Backport of pathlib-compatible object wrapper for zip files"
+category = "main"
 optional = false
 python-versions = ">=3.6"
-version = "3.0.0"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "2943f0d464ed4166dc47f7f279e057003b34e5c8c054dade7e5c98b7239842ea"
+lock-version = "1.1"
 python-versions = "^3.7"
+content-hash = "2943f0d464ed4166dc47f7f279e057003b34e5c8c054dade7e5c98b7239842ea"
 
 [metadata.files]
 appdirs = [
@@ -423,6 +420,9 @@ more-itertools = [
     {file = "more-itertools-8.2.0.tar.gz", hash = "sha256:b1ddb932186d8a6ac451e1d95844b382f55e12686d51ca0c68b6f61f2ab7a507"},
     {file = "more_itertools-8.2.0-py3-none-any.whl", hash = "sha256:5dd8bcf33e5f9513ffa06d5ad33d78f31e1931ac9a18f33d37e77a180d393a7c"},
 ]
+nut = [
+    {file = "nut-0.2.0.tar.gz", hash = "sha256:427bd08d2b47d0c1c8f0a76783586df8b31c3427a0800d7930f010c06ff81e85"},
+]
 packaging = [
     {file = "packaging-20.1-py2.py3-none-any.whl", hash = "sha256:170748228214b70b672c581a3dd610ee51f733018650740e98c7df862a583f73"},
     {file = "packaging-20.1.tar.gz", hash = "sha256:e665345f9eef0c621aa0bf2f8d78cf6d21904eef16a93f020240b704a57f1334"},
@@ -432,8 +432,8 @@ pluggy = [
     {file = "pluggy-0.13.1.tar.gz", hash = "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0"},
 ]
 py = [
-    {file = "py-1.8.1-py2.py3-none-any.whl", hash = "sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"},
-    {file = "py-1.8.1.tar.gz", hash = "sha256:5e27081401262157467ad6e7f851b7aa402c5852dbcb3dae06768434de5752aa"},
+    {file = "py-1.10.0-py2.py3-none-any.whl", hash = "sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a"},
+    {file = "py-1.10.0.tar.gz", hash = "sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3"},
 ]
 pyparsing = [
     {file = "pyparsing-2.4.6-py2.py3-none-any.whl", hash = "sha256:c342dccb5250c08d45fd6f8b4a559613ca603b57498511740e65cd11a2e7dcec"},
@@ -448,6 +448,7 @@ pytest-cov = [
     {file = "pytest_cov-2.8.1-py2.py3-none-any.whl", hash = "sha256:cdbdef4f870408ebdbfeb44e63e07eb18bb4619fae852f6e760645fa36172626"},
 ]
 requests = [
+    {file = "requests-2.23.0-py2.7.egg", hash = "sha256:5d2d0ffbb515f39417009a46c14256291061ac01ba8f875b90cad137de83beb4"},
     {file = "requests-2.23.0-py2.py3-none-any.whl", hash = "sha256:43999036bfa82904b6af1d99e4882b560e5e2c68e5c4b0aa03b655f3d7d73fee"},
     {file = "requests-2.23.0.tar.gz", hash = "sha256:b3f43d496c6daba4493e7c431722aeb7dbc6288f52a6e04e7b6023b0247817e6"},
 ]