diff --git a/README.rst b/README.rst
index c675602b..e7dcfeca 100644
--- a/README.rst
+++ b/README.rst
@@ -267,7 +267,7 @@ clone, move into the freshly created 'Cohen3' folder and install
 all dependencies (dev included) with `poetry`, but first upgrade `pip`::
 
   $ pip3 install pip --upgrade
-  $ pip3 install poetry
+  $ pip3 install poetry==1.1.12
   $ poetry install
 
 Personalized install from source with `pip`
diff --git a/poetry.lock b/poetry.lock
index bf41613f..784f3a08 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,49 +1,46 @@
 [[package]]
-category = "main"
-description = "A configurable sidebar-enabled Sphinx theme"
 name = "alabaster"
+version = "0.7.12"
+description = "A configurable sidebar-enabled Sphinx theme"
+category = "main"
 optional = true
 python-versions = "*"
-version = "0.7.12"
 
 [[package]]
-category = "main"
-description = "An abstract syntax tree for Python with inference support."
 name = "astroid"
+version = "2.4.2"
+description = "An abstract syntax tree for Python with inference support."
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "2.4.2"
 
 [package.dependencies]
 lazy-object-proxy = ">=1.4.0,<1.5.0"
 six = ">=1.12,<2.0"
+typed-ast = {version = ">=1.4.0,<1.5", markers = "implementation_name == \"cpython\" and python_version < \"3.8\""}
 wrapt = ">=1.11,<2.0"
 
-[package.dependencies.typed-ast]
-python = "<3.8"
-version = ">=1.4.0,<1.5"
-
 [[package]]
-category = "main"
-description = "Classes Without Boilerplate"
 name = "attrs"
+version = "20.2.0"
+description = "Classes Without Boilerplate"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "20.2.0"
 
 [package.extras]
-dev = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
+dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
 docs = ["sphinx", "sphinx-rtd-theme", "zope.interface"]
-tests = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
-tests_no_zope = ["coverage (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
+tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
 
 [[package]]
-category = "main"
-description = "WebSocket client & server library, WAMP real-time framework"
 name = "autobahn"
+version = "20.7.1"
+description = "WebSocket client & server library, WAMP real-time framework"
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "20.7.1"
 
 [package.dependencies]
 cryptography = ">=2.7"
@@ -62,12 +59,12 @@ twisted = ["zope.interface (>=3.6.0)", "twisted (>=20.3.0)", "attrs (>=19.2.0)"]
 xbr = ["cbor2 (>=5.1.0)", "zlmdb (>=20.4.1)", "twisted (>=20.3.0)", "autobahn (>=18.11.2)", "web3 (>=4.8.1)", "py-eth-sig-utils (>=0.4.0)", "py-ecc (>=1.7.1)", "eth-abi (>=1.3.0)", "mnemonic (>=0.13)", "base58 (>=1.0.2,<2.0)", "ecdsa (>=0.13)", "py-multihash (>=0.2.3)"]
 
 [[package]]
-category = "main"
-description = "Self-service finite-state machines for the programmer on the go."
 name = "automat"
+version = "20.2.0"
+description = "Self-service finite-state machines for the programmer on the go."
+category = "main"
 optional = false
 python-versions = "*"
-version = "20.2.0"
 
 [package.dependencies]
 attrs = ">=19.2.0"
@@ -77,222 +74,217 @@ six = "*"
 visualize = ["graphviz (>0.5.1)", "Twisted (>=16.1.1)"]
 
 [[package]]
-category = "main"
-description = "Internationalization utilities"
 name = "babel"
+version = "2.8.0"
+description = "Internationalization utilities"
+category = "main"
 optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.8.0"
 
 [package.dependencies]
 pytz = ">=2015.7"
 
 [[package]]
-category = "main"
-description = "Python package for providing Mozilla's CA Bundle."
 name = "certifi"
+version = "2020.6.20"
+description = "Python package for providing Mozilla's CA Bundle."
+category = "main"
 optional = false
 python-versions = "*"
-version = "2020.6.20"
 
 [[package]]
-category = "main"
-description = "Foreign Function Interface for Python calling C code."
 name = "cffi"
+version = "1.14.3"
+description = "Foreign Function Interface for Python calling C code."
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.14.3"
 
 [package.dependencies]
 pycparser = "*"
 
 [[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 = "Cross-platform colored terminal text."
-marker = "sys_platform == \"win32\""
 name = "colorama"
+version = "0.4.3"
+description = "Cross-platform colored terminal text."
+category = "main"
 optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "0.4.3"
 
 [[package]]
-category = "main"
-description = "Python parser for the CommonMark Markdown spec"
 name = "commonmark"
+version = "0.9.1"
+description = "Python parser for the CommonMark Markdown spec"
+category = "main"
 optional = true
 python-versions = "*"
-version = "0.9.1"
 
 [package.extras]
-test = ["flake8 (3.7.8)", "hypothesis (3.55.3)"]
+test = ["flake8 (==3.7.8)", "hypothesis (==3.55.3)"]
 
 [[package]]
-category = "main"
-description = "Config file reading, writing and validation."
 name = "configobj"
+version = "5.0.6"
+description = "Config file reading, writing and validation."
+category = "main"
 optional = false
 python-versions = "*"
-version = "5.0.6"
 
 [package.dependencies]
 six = "*"
 
 [[package]]
-category = "main"
-description = "Symbolic constants in Python"
 name = "constantly"
+version = "15.1.0"
+description = "Symbolic constants in Python"
+category = "main"
 optional = false
 python-versions = "*"
-version = "15.1.0"
 
 [[package]]
-category = "main"
-description = "plugin core for use by pytest-cov, nose-cov and nose2-cov"
 name = "cov-core"
+version = "1.15.0"
+description = "plugin core for use by pytest-cov, nose-cov and nose2-cov"
+category = "main"
 optional = true
 python-versions = "*"
-version = "1.15.0"
 
 [package.dependencies]
 coverage = ">=3.6"
 
 [[package]]
-category = "main"
-description = "Code coverage measurement for Python"
 name = "coverage"
+version = "5.3"
+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 = "5.3"
 
 [package.extras]
 toml = ["toml"]
 
 [[package]]
-category = "main"
-description = "cryptography is a package which provides cryptographic recipes and primitives to Python developers."
 name = "cryptography"
+version = "3.1.1"
+description = "cryptography is a package which provides cryptographic recipes and primitives to Python developers."
+category = "main"
 optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
-version = "3.1.1"
 
 [package.dependencies]
 cffi = ">=1.8,<1.11.3 || >1.11.3"
 six = ">=1.4.1"
 
 [package.extras]
-docs = ["sphinx (>=1.6.5,<1.8.0 || >1.8.0,<3.1.0 || >3.1.0,<3.1.1 || >3.1.1)", "sphinx-rtd-theme"]
+docs = ["sphinx (>=1.6.5,!=1.8.0,!=3.1.0,!=3.1.1)", "sphinx-rtd-theme"]
 docstest = ["doc8", "pyenchant (>=1.6.11)", "twine (>=1.12.0)", "sphinxcontrib-spelling (>=4.0.1)"]
 pep8test = ["black", "flake8", "flake8-import-order", "pep8-naming"]
 ssh = ["bcrypt (>=3.1.5)"]
-test = ["pytest (>=3.6.0,<3.9.0 || >3.9.0,<3.9.1 || >3.9.1,<3.9.2 || >3.9.2)", "pretend", "iso8601", "pytz", "hypothesis (>=1.11.4,<3.79.2 || >3.79.2)"]
+test = ["pytest (>=3.6.0,!=3.9.0,!=3.9.1,!=3.9.2)", "pretend", "iso8601", "pytz", "hypothesis (>=1.11.4,!=3.79.2)"]
 
 [[package]]
-category = "main"
-description = "Python bindings for libdbus"
 name = "dbus-python"
+version = "1.2.16"
+description = "Python bindings for libdbus"
+category = "main"
 optional = true
 python-versions = "*"
-version = "1.2.16"
 
 [[package]]
-category = "main"
-description = "Docutils -- Python Documentation Utilities"
 name = "docutils"
+version = "0.16"
+description = "Docutils -- Python Documentation Utilities"
+category = "main"
 optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "0.16"
 
 [[package]]
-category = "main"
-description = "An event dispatcher framework inspired by the Kivy project."
 name = "eventdispatcher"
+version = "1.9.4"
+description = "An event dispatcher framework inspired by the Kivy project."
+category = "main"
 optional = false
 python-versions = "*"
-version = "1.9.4"
 
 [package.dependencies]
 future = "*"
 numpy = "*"
 
 [[package]]
-category = "main"
-description = "Universal feed parser, handles RSS 0.9x, RSS 1.0, RSS 2.0, CDF, Atom 0.3, and Atom 1.0 feeds"
 name = "feedparser"
+version = "6.0.1"
+description = "Universal feed parser, handles RSS 0.9x, RSS 1.0, RSS 2.0, CDF, Atom 0.3, and Atom 1.0 feeds"
+category = "main"
 optional = true
 python-versions = ">=3.6"
-version = "6.0.1"
 
 [package.dependencies]
 sgmllib3k = "*"
 
 [[package]]
-category = "main"
-description = "the modular source code checker: pep8 pyflakes and co"
 name = "flake8"
+version = "3.8.4"
+description = "the modular source code checker: pep8 pyflakes and co"
+category = "main"
 optional = true
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-version = "3.8.4"
 
 [package.dependencies]
+importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 mccabe = ">=0.6.0,<0.7.0"
 pycodestyle = ">=2.6.0a1,<2.7.0"
 pyflakes = ">=2.2.0,<2.3.0"
 
-[package.dependencies.importlib-metadata]
-python = "<3.8"
-version = "*"
-
 [[package]]
-category = "main"
-description = "Clean single-source support for Python 3 and 2"
 name = "future"
+version = "0.18.2"
+description = "Clean single-source support for Python 3 and 2"
+category = "main"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "0.18.2"
 
 [[package]]
-category = "main"
-description = "A featureful, immutable, and correct URL for Python."
 name = "hyperlink"
+version = "20.0.1"
+description = "A featureful, immutable, and correct URL for Python."
+category = "main"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "20.0.1"
 
 [package.dependencies]
 idna = ">=2.5"
 
 [[package]]
-category = "main"
-description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
+version = "2.10"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.10"
 
 [[package]]
-category = "main"
-description = "Getting image size from png/jpeg/jpeg2000/gif file"
 name = "imagesize"
+version = "1.2.0"
+description = "Getting image size from png/jpeg/jpeg2000/gif file"
+category = "main"
 optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.2.0"
 
 [[package]]
-category = "main"
-description = "Read metadata from Python packages"
-marker = "python_version < \"3.8\""
 name = "importlib-metadata"
+version = "2.0.0"
+description = "Read metadata from Python packages"
+category = "main"
 optional = true
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
-version = "2.0.0"
 
 [package.dependencies]
 zipp = ">=0.5"
@@ -302,36 +294,36 @@ docs = ["sphinx", "rst.linker"]
 testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
 
 [[package]]
-category = "main"
-description = ""
 name = "incremental"
+version = "17.5.0"
+description = ""
+category = "main"
 optional = false
 python-versions = "*"
-version = "17.5.0"
 
 [package.extras]
 scripts = ["click (>=6.0)", "twisted (>=16.4.0)"]
 
 [[package]]
-category = "main"
-description = "A Python utility / library to sort Python imports."
 name = "isort"
+version = "5.6.3"
+description = "A Python utility / library to sort Python imports."
+category = "main"
 optional = true
 python-versions = ">=3.6,<4.0"
-version = "5.6.3"
 
 [package.extras]
-colors = ["colorama (>=0.4.3,<0.5.0)"]
 pipfile_deprecated_finder = ["pipreqs", "requirementslib"]
 requirements_deprecated_finder = ["pipreqs", "pip-api"]
+colors = ["colorama (>=0.4.3,<0.5.0)"]
 
 [[package]]
-category = "main"
-description = "A very fast and expressive template engine."
 name = "jinja2"
+version = "2.11.2"
+description = "A very fast and expressive template engine."
+category = "main"
 optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.11.2"
 
 [package.dependencies]
 MarkupSafe = ">=0.23"
@@ -340,31 +332,31 @@ MarkupSafe = ">=0.23"
 i18n = ["Babel (>=0.8)"]
 
 [[package]]
-category = "main"
-description = "A fast and thorough lazy object proxy."
 name = "lazy-object-proxy"
+version = "1.4.3"
+description = "A fast and thorough lazy object proxy."
+category = "main"
 optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "1.4.3"
 
 [[package]]
-category = "main"
-description = "Livestreamer is command-line utility that extracts streams from various services and pipes them into a video player of choice."
 name = "livestreamer"
+version = "1.12.2"
+description = "Livestreamer is command-line utility that extracts streams from various services and pipes them into a video player of choice."
+category = "main"
 optional = true
 python-versions = "*"
-version = "1.12.2"
 
 [package.dependencies]
 requests = ">=1.0,<3.0"
 
 [[package]]
-category = "main"
-description = "Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API."
 name = "lxml"
+version = "4.5.2"
+description = "Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, != 3.4.*"
-version = "4.5.2"
 
 [package.extras]
 cssselect = ["cssselect (>=0.7)"]
@@ -373,171 +365,171 @@ htmlsoup = ["beautifulsoup4"]
 source = ["Cython (>=0.29.7)"]
 
 [[package]]
-category = "main"
-description = "Safely add untrusted strings to HTML/XML markup."
 name = "markupsafe"
+version = "1.1.1"
+description = "Safely add untrusted strings to HTML/XML markup."
+category = "main"
 optional = true
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*"
-version = "1.1.1"
 
 [[package]]
-category = "main"
-description = "McCabe checker, plugin for flake8"
 name = "mccabe"
+version = "0.6.1"
+description = "McCabe checker, plugin for flake8"
+category = "main"
 optional = true
 python-versions = "*"
-version = "0.6.1"
 
 [[package]]
-category = "main"
-description = "nose extends unittest to make testing easier"
 name = "nose"
+version = "1.3.7"
+description = "nose extends unittest to make testing easier"
+category = "main"
 optional = true
 python-versions = "*"
-version = "1.3.7"
 
 [[package]]
-category = "main"
-description = "nose plugin for coverage reporting, including subprocesses and multiprocessing"
 name = "nose-cov"
+version = "1.6"
+description = "nose plugin for coverage reporting, including subprocesses and multiprocessing"
+category = "main"
 optional = true
 python-versions = "*"
-version = "1.6"
 
 [package.dependencies]
 cov-core = ">=1.6"
 nose = ">=0.11.4"
 
 [[package]]
-category = "main"
-description = "NumPy is the fundamental package for array computing with Python."
 name = "numpy"
+version = "1.19.2"
+description = "NumPy is the fundamental package for array computing with Python."
+category = "main"
 optional = false
 python-versions = ">=3.6"
-version = "1.19.2"
 
 [[package]]
-category = "main"
-description = "Core utilities for Python packages"
 name = "packaging"
+version = "20.4"
+description = "Core utilities for Python packages"
+category = "main"
 optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "20.4"
 
 [package.dependencies]
 pyparsing = ">=2.0.2"
 six = "*"
 
 [[package]]
-category = "main"
-description = "A collection of helpful Python tools!"
 name = "pockets"
+version = "0.9.1"
+description = "A collection of helpful Python tools!"
+category = "main"
 optional = true
 python-versions = "*"
-version = "0.9.1"
 
 [package.dependencies]
 six = ">=1.5.2"
 
 [[package]]
-category = "main"
-description = "ASN.1 types and codecs"
 name = "pyasn1"
+version = "0.4.8"
+description = "ASN.1 types and codecs"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.4.8"
 
 [[package]]
-category = "main"
-description = "A collection of ASN.1-based protocols modules."
 name = "pyasn1-modules"
+version = "0.2.8"
+description = "A collection of ASN.1-based protocols modules."
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.2.8"
 
 [package.dependencies]
 pyasn1 = ">=0.4.6,<0.5.0"
 
 [[package]]
-category = "main"
-description = "Python interface for cairo"
 name = "pycairo"
+version = "1.20.0"
+description = "Python interface for cairo"
+category = "main"
 optional = true
 python-versions = ">=3.6, <4"
-version = "1.20.0"
 
 [[package]]
-category = "main"
-description = "Python style guide checker"
 name = "pycodestyle"
+version = "2.6.0"
+description = "Python style guide checker"
+category = "main"
 optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.6.0"
 
 [[package]]
-category = "main"
-description = "C parser in Python"
 name = "pycparser"
+version = "2.20"
+description = "C parser in Python"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.20"
 
 [[package]]
-category = "main"
-description = "passive checker of Python programs"
 name = "pyflakes"
+version = "2.2.0"
+description = "passive checker of Python programs"
+category = "main"
 optional = true
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.2.0"
 
 [[package]]
-category = "main"
-description = "Pygments is a syntax highlighting package written in Python."
 name = "pygments"
+version = "2.7.1"
+description = "Pygments is a syntax highlighting package written in Python."
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "2.7.1"
 
 [[package]]
-category = "main"
-description = "Python bindings for GObject Introspection"
 name = "pygobject"
+version = "3.38.0"
+description = "Python bindings for GObject Introspection"
+category = "main"
 optional = true
 python-versions = ">=3.5, <4"
-version = "3.38.0"
 
 [package.dependencies]
 pycairo = ">=1.11.1"
 
 [[package]]
-category = "main"
-description = "Hamcrest framework for matcher objects"
 name = "pyhamcrest"
+version = "2.0.2"
+description = "Hamcrest framework for matcher objects"
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "2.0.2"
 
 [[package]]
-category = "main"
-description = "python code static checker"
 name = "pylint"
+version = "2.1.1"
+description = "python code static checker"
+category = "main"
 optional = true
 python-versions = ">=3.4.*"
-version = "2.1.1"
 
 [package.dependencies]
 astroid = ">=2.0.0"
-colorama = "*"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
 isort = ">=4.2.5"
 mccabe = "*"
 
 [[package]]
-category = "main"
-description = "Python wrapper module around the OpenSSL library"
 name = "pyopenssl"
+version = "19.1.0"
+description = "Python wrapper module around the OpenSSL library"
+category = "main"
 optional = false
 python-versions = "*"
-version = "19.1.0"
 
 [package.dependencies]
 cryptography = ">=2.8"
@@ -548,61 +540,61 @@ docs = ["sphinx", "sphinx-rtd-theme"]
 test = ["flaky", "pretend", "pytest (>=3.0.1)"]
 
 [[package]]
-category = "main"
-description = "Python parsing module"
 name = "pyparsing"
+version = "2.4.7"
+description = "Python parsing module"
+category = "main"
 optional = true
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "2.4.7"
 
 [[package]]
-category = "main"
-description = "Python interface to coveralls.io API\n"
 name = "python-coveralls"
+version = "2.9.3"
+description = "Python interface to coveralls.io API\n"
+category = "main"
 optional = false
 python-versions = "*"
-version = "2.9.3"
 
 [package.dependencies]
-PyYAML = "*"
 coverage = "*"
+PyYAML = "*"
 requests = "*"
 six = "*"
 
 [[package]]
-category = "main"
-description = "Extensions to the standard Python datetime module"
 name = "python-dateutil"
+version = "2.8.1"
+description = "Extensions to the standard Python datetime module"
+category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,>=2.7"
-version = "2.8.1"
 
 [package.dependencies]
 six = ">=1.5"
 
 [[package]]
-category = "main"
-description = "World timezone definitions, modern and historical"
 name = "pytz"
+version = "2020.1"
+description = "World timezone definitions, modern and historical"
+category = "main"
 optional = true
 python-versions = "*"
-version = "2020.1"
 
 [[package]]
-category = "main"
-description = "YAML parser and emitter for Python"
 name = "pyyaml"
+version = "5.3.1"
+description = "YAML parser and emitter for Python"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "5.3.1"
 
 [[package]]
-category = "main"
-description = "A docutils-compatibility bridge to CommonMark, enabling you to write CommonMark inside of Docutils & Sphinx projects."
 name = "recommonmark"
+version = "0.6.0"
+description = "A docutils-compatibility bridge to CommonMark, enabling you to write CommonMark inside of Docutils & Sphinx projects."
+category = "main"
 optional = true
 python-versions = "*"
-version = "0.6.0"
 
 [package.dependencies]
 commonmark = ">=0.8.1"
@@ -610,12 +602,12 @@ docutils = ">=0.11"
 sphinx = ">=1.3.1"
 
 [[package]]
-category = "main"
-description = "Python HTTP for Humans."
 name = "requests"
+version = "2.24.0"
+description = "Python HTTP for Humans."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.24.0"
 
 [package.dependencies]
 certifi = ">=2017.4.17"
@@ -625,15 +617,15 @@ 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 = "Service identity verification for pyOpenSSL & cryptography."
 name = "service-identity"
+version = "18.1.0"
+description = "Service identity verification for pyOpenSSL & cryptography."
+category = "main"
 optional = false
 python-versions = "*"
-version = "18.1.0"
 
 [package.dependencies]
 attrs = ">=16.0.0"
@@ -648,48 +640,47 @@ idna = ["idna"]
 tests = ["coverage (>=4.2.0)", "pytest"]
 
 [[package]]
-category = "main"
-description = "Py3k port of sgmllib."
 name = "sgmllib3k"
+version = "1.0.0"
+description = "Py3k port of sgmllib."
+category = "main"
 optional = true
 python-versions = "*"
-version = "1.0.0"
 
 [[package]]
-category = "main"
-description = "Python 2 and 3 compatibility utilities"
 name = "six"
+version = "1.15.0"
+description = "Python 2 and 3 compatibility utilities"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
-version = "1.15.0"
 
 [[package]]
-category = "main"
-description = "This package provides 26 stemmers for 25 languages generated from Snowball algorithms."
 name = "snowballstemmer"
+version = "2.0.0"
+description = "This package provides 26 stemmers for 25 languages generated from Snowball algorithms."
+category = "main"
 optional = true
 python-versions = "*"
-version = "2.0.0"
 
 [[package]]
-category = "main"
-description = "Python documentation generator"
 name = "sphinx"
+version = "3.2.1"
+description = "Python documentation generator"
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "3.2.1"
 
 [package.dependencies]
-Jinja2 = ">=2.3"
-Pygments = ">=2.0"
 alabaster = ">=0.7,<0.8"
 babel = ">=1.3"
-colorama = ">=0.3.5"
+colorama = {version = ">=0.3.5", markers = "sys_platform == \"win32\""}
 docutils = ">=0.12"
 imagesize = "*"
+Jinja2 = ">=2.3"
 packaging = "*"
+Pygments = ">=2.0"
 requests = ">=2.5.0"
-setuptools = "*"
 snowballstemmer = ">=1.1"
 sphinxcontrib-applehelp = "*"
 sphinxcontrib-devhelp = "*"
@@ -704,12 +695,12 @@ lint = ["flake8 (>=3.5.0)", "flake8-import-order", "mypy (>=0.780)", "docutils-s
 test = ["pytest", "pytest-cov", "html5lib", "typed-ast", "cython"]
 
 [[package]]
-category = "main"
-description = "Read the Docs theme for Sphinx"
 name = "sphinx-rtd-theme"
+version = "0.5.0"
+description = "Read the Docs theme for Sphinx"
+category = "main"
 optional = true
 python-versions = "*"
-version = "0.5.0"
 
 [package.dependencies]
 sphinx = "*"
@@ -718,183 +709,178 @@ sphinx = "*"
 dev = ["transifex-client", "sphinxcontrib-httpdomain", "bump2version"]
 
 [[package]]
-category = "main"
-description = "sphinxcontrib-applehelp is a sphinx extension which outputs Apple help books"
 name = "sphinxcontrib-applehelp"
+version = "1.0.2"
+description = "sphinxcontrib-applehelp is a sphinx extension which outputs Apple help books"
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "1.0.2"
 
 [package.extras]
 lint = ["flake8", "mypy", "docutils-stubs"]
 test = ["pytest"]
 
 [[package]]
-category = "main"
-description = "sphinxcontrib-devhelp is a sphinx extension which outputs Devhelp document."
 name = "sphinxcontrib-devhelp"
+version = "1.0.2"
+description = "sphinxcontrib-devhelp is a sphinx extension which outputs Devhelp document."
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "1.0.2"
 
 [package.extras]
 lint = ["flake8", "mypy", "docutils-stubs"]
 test = ["pytest"]
 
 [[package]]
-category = "main"
-description = "sphinxcontrib-htmlhelp is a sphinx extension which renders HTML help files"
 name = "sphinxcontrib-htmlhelp"
+version = "1.0.3"
+description = "sphinxcontrib-htmlhelp is a sphinx extension which renders HTML help files"
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "1.0.3"
 
 [package.extras]
 lint = ["flake8", "mypy", "docutils-stubs"]
 test = ["pytest", "html5lib"]
 
 [[package]]
-category = "main"
-description = "A sphinx extension which renders display math in HTML via JavaScript"
 name = "sphinxcontrib-jsmath"
+version = "1.0.1"
+description = "A sphinx extension which renders display math in HTML via JavaScript"
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "1.0.1"
 
 [package.extras]
 test = ["pytest", "flake8", "mypy"]
 
 [[package]]
-category = "main"
-description = "Sphinx \"napoleon\" extension."
 name = "sphinxcontrib-napoleon"
+version = "0.7"
+description = "Sphinx \"napoleon\" extension."
+category = "main"
 optional = true
 python-versions = "*"
-version = "0.7"
 
 [package.dependencies]
 pockets = ">=0.3"
 six = ">=1.5.2"
 
 [[package]]
-category = "main"
-description = "sphinxcontrib-qthelp is a sphinx extension which outputs QtHelp document."
 name = "sphinxcontrib-qthelp"
+version = "1.0.3"
+description = "sphinxcontrib-qthelp is a sphinx extension which outputs QtHelp document."
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "1.0.3"
 
 [package.extras]
 lint = ["flake8", "mypy", "docutils-stubs"]
 test = ["pytest"]
 
 [[package]]
-category = "main"
-description = "sphinxcontrib-serializinghtml is a sphinx extension which outputs \"serialized\" HTML files (json and pickle)."
 name = "sphinxcontrib-serializinghtml"
+version = "1.1.4"
+description = "sphinxcontrib-serializinghtml is a sphinx extension which outputs \"serialized\" HTML files (json and pickle)."
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "1.1.4"
 
 [package.extras]
 lint = ["flake8", "mypy", "docutils-stubs"]
 test = ["pytest"]
 
 [[package]]
-category = "main"
-description = "An asynchronous networking framework written in Python"
 name = "twisted"
+version = "20.3.0"
+description = "An asynchronous networking framework written in Python"
+category = "main"
 optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
-version = "20.3.0"
 
 [package.dependencies]
-Automat = ">=0.3.0"
-PyHamcrest = ">=1.9.0,<1.10.0 || >1.10.0"
 attrs = ">=19.2.0"
+Automat = ">=0.3.0"
 constantly = ">=15.1"
 hyperlink = ">=17.1.1"
 incremental = ">=16.10.1"
+PyHamcrest = ">=1.9.0,<1.10.0 || >1.10.0"
 "zope.interface" = ">=4.4.2"
 
 [package.extras]
-all_non_platform = ["pyopenssl (>=16.0.0)", "service_identity (>=18.1.0)", "idna (>=0.6,<2.3 || >2.3)", "pyasn1", "cryptography (>=2.5)", "appdirs (>=1.4.0)", "bcrypt (>=3.0.0)", "soappy", "pyserial (>=3.0)", "h2 (>=3.0,<4.0)", "priority (>=1.1.0,<2.0)", "pywin32 (!=226)"]
+all_non_platform = ["pyopenssl (>=16.0.0)", "service_identity (>=18.1.0)", "idna (>=0.6,!=2.3)", "pyasn1", "cryptography (>=2.5)", "appdirs (>=1.4.0)", "bcrypt (>=3.0.0)", "soappy", "pyserial (>=3.0)", "h2 (>=3.0,<4.0)", "priority (>=1.1.0,<2.0)", "pywin32 (!=226)"]
 conch = ["pyasn1", "cryptography (>=2.5)", "appdirs (>=1.4.0)", "bcrypt (>=3.0.0)"]
 dev = ["pyflakes (>=1.0.0)", "twisted-dev-tools (>=0.0.2)", "python-subunit", "sphinx (>=1.3.1)", "towncrier (>=17.4.0)"]
 http2 = ["h2 (>=3.0,<4.0)", "priority (>=1.1.0,<2.0)"]
-macos_platform = ["pyobjc-core", "pyobjc-framework-cfnetwork", "pyobjc-framework-cocoa", "pyopenssl (>=16.0.0)", "service_identity (>=18.1.0)", "idna (>=0.6,<2.3 || >2.3)", "pyasn1", "cryptography (>=2.5)", "appdirs (>=1.4.0)", "bcrypt (>=3.0.0)", "soappy", "pyserial (>=3.0)", "h2 (>=3.0,<4.0)", "priority (>=1.1.0,<2.0)", "pywin32 (!=226)"]
-osx_platform = ["pyobjc-core", "pyobjc-framework-cfnetwork", "pyobjc-framework-cocoa", "pyopenssl (>=16.0.0)", "service_identity (>=18.1.0)", "idna (>=0.6,<2.3 || >2.3)", "pyasn1", "cryptography (>=2.5)", "appdirs (>=1.4.0)", "bcrypt (>=3.0.0)", "soappy", "pyserial (>=3.0)", "h2 (>=3.0,<4.0)", "priority (>=1.1.0,<2.0)", "pywin32 (!=226)"]
+macos_platform = ["pyobjc-core", "pyobjc-framework-cfnetwork", "pyobjc-framework-cocoa", "pyopenssl (>=16.0.0)", "service_identity (>=18.1.0)", "idna (>=0.6,!=2.3)", "pyasn1", "cryptography (>=2.5)", "appdirs (>=1.4.0)", "bcrypt (>=3.0.0)", "soappy", "pyserial (>=3.0)", "h2 (>=3.0,<4.0)", "priority (>=1.1.0,<2.0)", "pywin32 (!=226)"]
+osx_platform = ["pyobjc-core", "pyobjc-framework-cfnetwork", "pyobjc-framework-cocoa", "pyopenssl (>=16.0.0)", "service_identity (>=18.1.0)", "idna (>=0.6,!=2.3)", "pyasn1", "cryptography (>=2.5)", "appdirs (>=1.4.0)", "bcrypt (>=3.0.0)", "soappy", "pyserial (>=3.0)", "h2 (>=3.0,<4.0)", "priority (>=1.1.0,<2.0)", "pywin32 (!=226)"]
 serial = ["pyserial (>=3.0)", "pywin32 (!=226)"]
 soap = ["soappy"]
-tls = ["pyopenssl (>=16.0.0)", "service_identity (>=18.1.0)", "idna (>=0.6,<2.3 || >2.3)"]
-windows_platform = ["pywin32 (!=226)", "pyopenssl (>=16.0.0)", "service_identity (>=18.1.0)", "idna (>=0.6,<2.3 || >2.3)", "pyasn1", "cryptography (>=2.5)", "appdirs (>=1.4.0)", "bcrypt (>=3.0.0)", "soappy", "pyserial (>=3.0)", "h2 (>=3.0,<4.0)", "priority (>=1.1.0,<2.0)", "pywin32 (!=226)"]
+tls = ["pyopenssl (>=16.0.0)", "service_identity (>=18.1.0)", "idna (>=0.6,!=2.3)"]
+windows_platform = ["pywin32 (!=226)", "pyopenssl (>=16.0.0)", "service_identity (>=18.1.0)", "idna (>=0.6,!=2.3)", "pyasn1", "cryptography (>=2.5)", "appdirs (>=1.4.0)", "bcrypt (>=3.0.0)", "soappy", "pyserial (>=3.0)", "h2 (>=3.0,<4.0)", "priority (>=1.1.0,<2.0)", "pywin32 (!=226)"]
 
 [[package]]
-category = "main"
-description = "Compatibility API between asyncio/Twisted/Trollius"
 name = "txaio"
+version = "20.4.1"
+description = "Compatibility API between asyncio/Twisted/Trollius"
+category = "main"
 optional = true
 python-versions = ">=3.5"
-version = "20.4.1"
 
 [package.extras]
 all = ["zope.interface (>=3.6)", "twisted (>=20.3.0)"]
-dev = ["wheel", "pytest (>=2.6.4)", "pytest-cov (>=1.8.1)", "pep8 (>=1.6.2)", "sphinx (>=1.2.3)", "pyenchant (>=1.6.6)", "sphinxcontrib-spelling (>=2.1.2)", "sphinx-rtd-theme (>=0.1.9)", "tox (>=2.1.1)", "mock (1.3.0)", "twine (>=1.6.5)"]
+dev = ["wheel", "pytest (>=2.6.4)", "pytest-cov (>=1.8.1)", "pep8 (>=1.6.2)", "sphinx (>=1.2.3)", "pyenchant (>=1.6.6)", "sphinxcontrib-spelling (>=2.1.2)", "sphinx-rtd-theme (>=0.1.9)", "tox (>=2.1.1)", "mock (==1.3.0)", "twine (>=1.6.5)"]
 twisted = ["zope.interface (>=3.6)", "twisted (>=20.3.0)"]
 
 [[package]]
-category = "main"
-description = "a fork of Python 2 and 3 ast modules with type comment support"
-marker = "implementation_name == \"cpython\" and python_version < \"3.8\""
 name = "typed-ast"
+version = "1.4.1"
+description = "a fork of Python 2 and 3 ast modules with type comment support"
+category = "main"
 optional = true
 python-versions = "*"
-version = "1.4.1"
 
 [[package]]
-category = "main"
-description = "HTTP library with thread-safe connection pooling, file post, and more."
 name = "urllib3"
+version = "1.25.10"
+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 = "1.25.10"
 
 [package.extras]
 brotli = ["brotlipy (>=0.6.0)"]
 secure = ["certifi", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "pyOpenSSL (>=0.14)", "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 = "Module for decorators, wrappers and monkey patching."
 name = "wrapt"
+version = "1.12.1"
+description = "Module for decorators, wrappers and monkey patching."
+category = "main"
 optional = true
 python-versions = "*"
-version = "1.12.1"
 
 [[package]]
-category = "main"
-description = "Backport of pathlib-compatible object wrapper for zip files"
-marker = "python_version < \"3.8\""
 name = "zipp"
+version = "3.3.0"
+description = "Backport of pathlib-compatible object wrapper for zip files"
+category = "main"
 optional = true
 python-versions = ">=3.6"
-version = "3.3.0"
 
 [package.extras]
 docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy"]
+testing = ["pytest (>=3.5,!=3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-cov", "jaraco.test (>=3.2.0)", "jaraco.itertools", "func-timeout", "pytest-black (>=0.3.7)", "pytest-mypy"]
 
 [[package]]
-category = "main"
-description = "Interfaces for Python"
 name = "zope.interface"
+version = "5.1.2"
+description = "Interfaces for Python"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "5.1.2"
-
-[package.dependencies]
-setuptools = "*"
 
 [package.extras]
 docs = ["sphinx", "repoze.sphinx.autointerface"]
@@ -916,8 +902,9 @@ web = ["autobahn"]
 youtube = []
 
 [metadata]
-content-hash = "efdb8736d76fe02b4cf4ca9cdc5e0f2b936519a4222bcb20fe80965fc9e98b20"
+lock-version = "1.1"
 python-versions = "^3.6"
+content-hash = "4e8b16bdeade287586cf2c920779992090045b72888eb19e78b0b11bfae2a987"
 
 [metadata.files]
 alabaster = [
@@ -1174,6 +1161,8 @@ lxml = [
     {file = "lxml-4.5.2-cp38-cp38-manylinux2014_aarch64.whl", hash = "sha256:8f0ec6b9b3832e0bd1d57af41f9238ea7709bbd7271f639024f2fc9d3bb01293"},
     {file = "lxml-4.5.2-cp38-cp38-win32.whl", hash = "sha256:107781b213cf7201ec3806555657ccda67b1fccc4261fb889ef7fc56976db81f"},
     {file = "lxml-4.5.2-cp38-cp38-win_amd64.whl", hash = "sha256:f161af26f596131b63b236372e4ce40f3167c1b5b5d459b29d2514bd8c9dc9ee"},
+    {file = "lxml-4.5.2-cp39-cp39-manylinux1_i686.whl", hash = "sha256:6f767d11803dbd1274e43c8c0b2ff0a8db941e6ed0f5d44f852fb61b9d544b54"},
+    {file = "lxml-4.5.2-cp39-cp39-manylinux1_x86_64.whl", hash = "sha256:d15a801d9037d7512edb2f1e196acebb16ab17bef4b25a91ea2e9a455ca353af"},
     {file = "lxml-4.5.2.tar.gz", hash = "sha256:cdc13a1682b2a6241080745b1953719e7fe0850b40a5c71ca574f090a1391df6"},
 ]
 markupsafe = [
@@ -1195,20 +1184,39 @@ markupsafe = [
     {file = "MarkupSafe-1.1.1-cp35-cp35m-win32.whl", hash = "sha256:6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1"},
     {file = "MarkupSafe-1.1.1-cp35-cp35m-win_amd64.whl", hash = "sha256:9add70b36c5666a2ed02b43b335fe19002ee5235efd4b8a89bfcf9005bebac0d"},
     {file = "MarkupSafe-1.1.1-cp36-cp36m-macosx_10_6_intel.whl", hash = "sha256:24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff"},
+    {file = "MarkupSafe-1.1.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:d53bc011414228441014aa71dbec320c66468c1030aae3a6e29778a3382d96e5"},
     {file = "MarkupSafe-1.1.1-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:00bc623926325b26bb9605ae9eae8a215691f33cae5df11ca5424f06f2d1f473"},
     {file = "MarkupSafe-1.1.1-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e"},
+    {file = "MarkupSafe-1.1.1-cp36-cp36m-manylinux2010_i686.whl", hash = "sha256:3b8a6499709d29c2e2399569d96719a1b21dcd94410a586a18526b143ec8470f"},
+    {file = "MarkupSafe-1.1.1-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:84dee80c15f1b560d55bcfe6d47b27d070b4681c699c572af2e3c7cc90a3b8e0"},
+    {file = "MarkupSafe-1.1.1-cp36-cp36m-manylinux2014_aarch64.whl", hash = "sha256:b1dba4527182c95a0db8b6060cc98ac49b9e2f5e64320e2b56e47cb2831978c7"},
     {file = "MarkupSafe-1.1.1-cp36-cp36m-win32.whl", hash = "sha256:535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66"},
     {file = "MarkupSafe-1.1.1-cp36-cp36m-win_amd64.whl", hash = "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5"},
     {file = "MarkupSafe-1.1.1-cp37-cp37m-macosx_10_6_intel.whl", hash = "sha256:8defac2f2ccd6805ebf65f5eeb132adcf2ab57aa11fdf4c0dd5169a004710e7d"},
+    {file = "MarkupSafe-1.1.1-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:bf5aa3cbcfdf57fa2ee9cd1822c862ef23037f5c832ad09cfea57fa846dec193"},
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 mccabe = [
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     {file = "PyYAML-5.3.1.tar.gz", hash = "sha256:b8eac752c5e14d3eca0e6dd9199cd627518cb5ec06add0de9d32baeee6fe645d"},
 ]
 recommonmark = [
@@ -1456,19 +1466,28 @@ typed-ast = [
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+    {file = "typed_ast-1.4.1-cp39-cp39-manylinux2014_aarch64.whl", hash = "sha256:0d8110d78a5736e16e26213114a38ca35cb15b6515d535413b090bd50951556d"},
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+    {file = "typed_ast-1.4.1-cp39-cp39-win_amd64.whl", hash = "sha256:3742b32cf1c6ef124d57f95be609c473d7ec4c14d0090e5a5e05a15269fb4d0c"},
     {file = "typed_ast-1.4.1.tar.gz", hash = "sha256:8c8aaad94455178e3187ab22c8b01a3837f8ee50e09cf31f1ba129eb293ec30b"},
 ]
 urllib3 = [
diff --git a/pyproject.toml b/pyproject.toml
index c640c709..36c5cbff 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ pygobject = {version = ">=3.30.0", optional = true}
 pyopenssl = "*"
 python-dateutil = "*"
 service_identity = "^18.1.0"
-twisted = ">=20.3.0"
+twisted = ">=20.3.0, <22.1.0" # 22.1.0 removed HTTPPageGetter as it's now deprecated
 "zope.interface" = "*"
 
 # dev-dependencies