diff --git a/poetry.lock b/poetry.lock
index 929d9c9..7df66bc 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,27 +1,26 @@
 [[package]]
-category = "dev"
-description = "Disable App Nap on OS X 10.9"
-marker = "python_version >= \"3.4\" and sys_platform == \"darwin\" or sys_platform == \"darwin\""
 name = "appnope"
+version = "0.1.0"
+description = "Disable App Nap on OS X 10.9"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.1.0"
 
 [[package]]
-category = "dev"
-description = "Specifications for callback functions passed in to an API"
 name = "backcall"
+version = "0.1.0"
+description = "Specifications for callback functions passed in to an API"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.1.0"
 
 [[package]]
-category = "main"
-description = "Screen-scraping library"
 name = "beautifulsoup4"
+version = "4.8.2"
+description = "Screen-scraping library"
+category = "main"
 optional = false
 python-versions = "*"
-version = "4.8.2"
 
 [package.dependencies]
 soupsieve = ">=1.2"
@@ -31,91 +30,85 @@ html5lib = ["html5lib"]
 lxml = ["lxml"]
 
 [[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 = "dev"
-description = "Cross-platform colored terminal text."
-marker = "python_version >= \"3.4\" and sys_platform == \"win32\" or sys_platform == \"win32\""
 name = "colorama"
+version = "0.4.3"
+description = "Cross-platform colored terminal text."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "0.4.3"
 
 [[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 = "dev"
-description = "Decorators for Humans"
 name = "decorator"
+version = "4.4.2"
+description = "Decorators for Humans"
+category = "dev"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*"
-version = "4.4.2"
 
 [[package]]
-category = "main"
-description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
+version = "2.8"
+description = "Internationalized Domain Names in Applications (IDNA)"
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "2.8"
 
 [[package]]
-category = "dev"
-description = "IPython-enabled pdb"
 name = "ipdb"
+version = "0.13.2"
+description = "IPython-enabled pdb"
+category = "dev"
 optional = false
 python-versions = ">=2.7"
-version = "0.13.2"
 
 [package.dependencies]
-setuptools = "*"
-
-[package.dependencies.ipython]
-python = ">=3.4"
-version = ">=5.1.0"
+ipython = {version = ">=5.1.0", markers = "python_version >= \"3.4\""}
 
 [[package]]
-category = "dev"
-description = "IPython: Productive Interactive Computing"
 name = "ipython"
+version = "7.13.0"
+description = "IPython: Productive Interactive Computing"
+category = "dev"
 optional = false
 python-versions = ">=3.6"
-version = "7.13.0"
 
 [package.dependencies]
-appnope = "*"
+appnope = {version = "*", markers = "sys_platform == \"darwin\""}
 backcall = "*"
-colorama = "*"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
 decorator = "*"
 jedi = ">=0.10"
-pexpect = "*"
+pexpect = {version = "*", markers = "sys_platform != \"win32\""}
 pickleshare = "*"
 prompt-toolkit = ">=2.0.0,<3.0.0 || >3.0.0,<3.0.1 || >3.0.1,<3.1.0"
 pygments = "*"
-setuptools = ">=18.5"
 traitlets = ">=4.2"
 
 [package.extras]
@@ -130,94 +123,92 @@ qtconsole = ["qtconsole"]
 test = ["nose (>=0.10.1)", "requests", "testpath", "pygments", "nbformat", "ipykernel", "numpy (>=1.14)"]
 
 [[package]]
-category = "dev"
-description = "Vestigial utilities from IPython"
 name = "ipython-genutils"
+version = "0.2.0"
+description = "Vestigial utilities from IPython"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.2.0"
 
 [[package]]
-category = "dev"
-description = "An autocompletion tool for Python that can be used for text editors."
 name = "jedi"
+version = "0.16.0"
+description = "An autocompletion tool for Python that can be used for text editors."
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.16.0"
 
 [package.dependencies]
 parso = ">=0.5.2"
 
 [package.extras]
-qa = ["flake8 (3.7.9)"]
-testing = ["colorama (0.4.1)", "docopt", "pytest (>=3.9.0,<5.0.0)"]
+qa = ["flake8 (==3.7.9)"]
+testing = ["colorama (==0.4.1)", "docopt", "pytest (>=3.9.0,<5.0.0)"]
 
 [[package]]
-category = "dev"
-description = "A Python Parser"
 name = "parso"
+version = "0.6.2"
+description = "A Python Parser"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "0.6.2"
 
 [package.extras]
 testing = ["docopt", "pytest (>=3.0.7)"]
 
 [[package]]
-category = "dev"
-description = "Pexpect allows easy control of interactive console applications."
-marker = "python_version >= \"3.4\" and sys_platform != \"win32\" or sys_platform != \"win32\""
 name = "pexpect"
+version = "4.8.0"
+description = "Pexpect allows easy control of interactive console applications."
+category = "dev"
 optional = false
 python-versions = "*"
-version = "4.8.0"
 
 [package.dependencies]
 ptyprocess = ">=0.5"
 
 [[package]]
-category = "dev"
-description = "Tiny 'shelve'-like database with concurrency support"
 name = "pickleshare"
+version = "0.7.5"
+description = "Tiny 'shelve'-like database with concurrency support"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.7.5"
 
 [[package]]
-category = "dev"
-description = "Library for building powerful interactive command lines in Python"
 name = "prompt-toolkit"
+version = "3.0.3"
+description = "Library for building powerful interactive command lines in Python"
+category = "dev"
 optional = false
 python-versions = ">=3.6"
-version = "3.0.3"
 
 [package.dependencies]
 wcwidth = "*"
 
 [[package]]
-category = "dev"
-description = "Run a subprocess in a pseudo terminal"
-marker = "python_version >= \"3.4\" and sys_platform != \"win32\" or sys_platform != \"win32\""
 name = "ptyprocess"
+version = "0.6.0"
+description = "Run a subprocess in a pseudo terminal"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.6.0"
 
 [[package]]
-category = "dev"
-description = "Pygments is a syntax highlighting package written in Python."
 name = "pygments"
+version = "2.7.4"
+description = "Pygments is a syntax highlighting package written in Python."
+category = "dev"
 optional = false
 python-versions = ">=3.5"
-version = "2.6.1"
 
 [[package]]
-category = "main"
-description = "Python HTTP for Humans."
 name = "requests"
+version = "2.22.0"
+description = "Python HTTP for Humans."
+category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-version = "2.22.0"
 
 [package.dependencies]
 certifi = ">=2017.4.17"
@@ -227,31 +218,31 @@ 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)", "idna (>=2.0.0)"]
-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 = "A modern CSS selector implementation for Beautiful Soup."
 name = "soupsieve"
+version = "2.0"
+description = "A modern CSS selector implementation for Beautiful Soup."
+category = "main"
 optional = false
 python-versions = ">=3.5"
-version = "2.0"
 
 [[package]]
-category = "dev"
-description = "Traitlets Python config system"
 name = "traitlets"
+version = "4.3.3"
+description = "Traitlets Python config system"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "4.3.3"
 
 [package.dependencies]
 decorator = "*"
@@ -262,40 +253,41 @@ six = "*"
 test = ["pytest", "mock"]
 
 [[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 = "User-Agent generator"
 name = "user-agent"
+version = "0.1.9"
+description = "User-Agent generator"
+category = "main"
 optional = false
 python-versions = "*"
-version = "0.1.9"
 
 [package.dependencies]
 six = "*"
 
 [[package]]
-category = "dev"
-description = "Measures number of Terminal column cells of wide-character codes"
 name = "wcwidth"
+version = "0.1.9"
+description = "Measures number of Terminal column cells of wide-character codes"
+category = "dev"
 optional = false
 python-versions = "*"
-version = "0.1.9"
 
 [metadata]
-content-hash = "10c83d0006c3f7f8430da367ba76b9e82482c01737ab7b5aaba2c1c42879f717"
+lock-version = "1.1"
 python-versions = "^3.6"
+content-hash = "10c83d0006c3f7f8430da367ba76b9e82482c01737ab7b5aaba2c1c42879f717"
 
 [metadata.files]
 appnope = [
@@ -370,8 +362,8 @@ ptyprocess = [
     {file = "ptyprocess-0.6.0.tar.gz", hash = "sha256:923f299cc5ad920c68f2bc0bc98b75b9f838b93b599941a6b63ddbc2476394c0"},
 ]
 pygments = [
-    {file = "Pygments-2.6.1-py3-none-any.whl", hash = "sha256:ff7a40b4860b727ab48fad6360eb351cc1b33cbf9b15a0f689ca5353e9463324"},
-    {file = "Pygments-2.6.1.tar.gz", hash = "sha256:647344a061c249a3b74e230c739f434d7ea4d8b1d5f3721bc0f3558049b38f44"},
+    {file = "Pygments-2.7.4-py3-none-any.whl", hash = "sha256:bc9591213a8f0e0ca1a5e68a479b4887fdc3e75d0774e5c71c31920c427de435"},
+    {file = "Pygments-2.7.4.tar.gz", hash = "sha256:df49d09b498e83c1a73128295860250b0b7edd4c723a32e9bc0d295c7c2ec337"},
 ]
 requests = [
     {file = "requests-2.22.0-py2.py3-none-any.whl", hash = "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"},