diff --git a/poetry.lock b/poetry.lock
index 54abad8..4f5dafa 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -28,6 +28,15 @@ optional = false
 python-versions = "*"
 version = "1.4.4"
 
+[[package]]
+category = "main"
+description = "Disable App Nap on OS X 10.9"
+marker = "sys_platform == \"darwin\" or platform_system == \"Darwin\""
+name = "appnope"
+optional = true
+python-versions = "*"
+version = "0.1.0"
+
 [[package]]
 category = "dev"
 description = "Bash tab completion for argparse"
@@ -39,6 +48,23 @@ version = "1.12.0"
 [package.extras]
 test = ["coverage", "flake8", "pexpect", "wheel"]
 
+[[package]]
+category = "main"
+description = "The secure Argon2 password hashing algorithm."
+name = "argon2-cffi"
+optional = true
+python-versions = "*"
+version = "20.1.0"
+
+[package.dependencies]
+cffi = ">=1.0.0"
+six = "*"
+
+[package.extras]
+dev = ["coverage (>=5.0.2)", "hypothesis", "pytest", "sphinx", "wheel", "pre-commit"]
+docs = ["sphinx"]
+tests = ["coverage (>=5.0.2)", "hypothesis", "pytest"]
+
 [[package]]
 category = "dev"
 description = "Read/rewrite/write Python ASTs"
@@ -81,7 +107,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 version = "1.4.0"
 
 [[package]]
-category = "dev"
+category = "main"
 description = "Classes Without Boilerplate"
 name = "attrs"
 optional = false
@@ -116,6 +142,14 @@ version = "2.8.0"
 [package.dependencies]
 pytz = ">=2015.7"
 
+[[package]]
+category = "main"
+description = "Specifications for callback functions passed in to an API"
+name = "backcall"
+optional = true
+python-versions = "*"
+version = "0.2.0"
+
 [[package]]
 category = "dev"
 description = "Security oriented static analyser for python code."
@@ -152,13 +186,37 @@ typed-ast = ">=1.4.0"
 d = ["aiohttp (>=3.3.2)", "aiohttp-cors"]
 
 [[package]]
-category = "dev"
+category = "main"
+description = "An easy safelist-based HTML-sanitizing tool."
+name = "bleach"
+optional = true
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "3.1.5"
+
+[package.dependencies]
+packaging = "*"
+six = ">=1.9.0"
+webencodings = "*"
+
+[[package]]
+category = "main"
 description = "Python package for providing Mozilla's CA Bundle."
 name = "certifi"
 optional = false
 python-versions = "*"
 version = "2020.6.20"
 
+[[package]]
+category = "main"
+description = "Foreign Function Interface for Python calling C code."
+name = "cffi"
+optional = true
+python-versions = "*"
+version = "1.14.1"
+
+[package.dependencies]
+pycparser = "*"
+
 [[package]]
 category = "dev"
 description = "Validate configuration and produce human readable error messages."
@@ -168,7 +226,7 @@ python-versions = ">=3.6.1"
 version = "3.2.0"
 
 [[package]]
-category = "dev"
+category = "main"
 description = "Universal encoding detector for Python 2 and 3"
 name = "chardet"
 optional = false
@@ -184,7 +242,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 version = "7.1.2"
 
 [[package]]
-category = "dev"
+category = "main"
 description = "Cross-platform colored terminal text."
 marker = "sys_platform == \"win32\" or platform_system == \"Windows\" or platform_system == \"Windows\""
 name = "colorama"
@@ -222,6 +280,22 @@ optional = false
 python-versions = ">=3.5,<4.0"
 version = "1.5.2"
 
+[[package]]
+category = "main"
+description = "Decorators for Humans"
+name = "decorator"
+optional = true
+python-versions = ">=2.6, !=3.0.*, !=3.1.*"
+version = "4.4.2"
+
+[[package]]
+category = "main"
+description = "XML bomb protection for Python stdlib modules"
+name = "defusedxml"
+optional = true
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "0.6.0"
+
 [[package]]
 category = "dev"
 description = "Distribution utilities"
@@ -238,6 +312,14 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 version = "0.16"
 
+[[package]]
+category = "main"
+description = "Discover and load entry points from installed packages."
+name = "entrypoints"
+optional = true
+python-versions = ">=2.7"
+version = "0.3"
+
 [[package]]
 category = "dev"
 description = "Removes commented-out code."
@@ -516,7 +598,7 @@ version = "1.4.25"
 license = ["editdistance"]
 
 [[package]]
-category = "dev"
+category = "main"
 description = "Internationalized Domain Names in Applications (IDNA)"
 name = "idna"
 optional = false
@@ -539,6 +621,64 @@ optional = false
 python-versions = "*"
 version = "1.0.1"
 
+[[package]]
+category = "main"
+description = "IPython Kernel for Jupyter"
+name = "ipykernel"
+optional = true
+python-versions = ">=3.5"
+version = "5.3.4"
+
+[package.dependencies]
+appnope = "*"
+ipython = ">=5.0.0"
+jupyter-client = "*"
+tornado = ">=4.2"
+traitlets = ">=4.1.0"
+
+[package.extras]
+test = ["pytest (!=5.3.4)", "pytest-cov", "flaky", "nose"]
+
+[[package]]
+category = "main"
+description = "IPython: Productive Interactive Computing"
+name = "ipython"
+optional = true
+python-versions = ">=3.7"
+version = "7.17.0"
+
+[package.dependencies]
+appnope = "*"
+backcall = "*"
+colorama = "*"
+decorator = "*"
+jedi = ">=0.10"
+pexpect = "*"
+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]
+all = ["Sphinx (>=1.3)", "ipykernel", "ipyparallel", "ipywidgets", "nbconvert", "nbformat", "nose (>=0.10.1)", "notebook", "numpy (>=1.14)", "pygments", "qtconsole", "requests", "testpath"]
+doc = ["Sphinx (>=1.3)"]
+kernel = ["ipykernel"]
+nbconvert = ["nbconvert"]
+nbformat = ["nbformat"]
+notebook = ["notebook", "ipywidgets"]
+parallel = ["ipyparallel"]
+qtconsole = ["qtconsole"]
+test = ["nose (>=0.10.1)", "requests", "testpath", "pygments", "nbformat", "ipykernel", "numpy (>=1.14)"]
+
+[[package]]
+category = "main"
+description = "Vestigial utilities from IPython"
+name = "ipython-genutils"
+optional = true
+python-versions = "*"
+version = "0.2.0"
+
 [[package]]
 category = "dev"
 description = "A Python utility / library to sort Python imports."
@@ -554,7 +694,22 @@ requirements = ["pipreqs", "pip-api"]
 xdg_home = ["appdirs (>=1.4.0)"]
 
 [[package]]
-category = "dev"
+category = "main"
+description = "An autocompletion tool for Python that can be used for text editors."
+name = "jedi"
+optional = true
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "0.17.2"
+
+[package.dependencies]
+parso = ">=0.7.0,<0.8.0"
+
+[package.extras]
+qa = ["flake8 (3.7.9)"]
+testing = ["Django (<3.1)", "colorama", "docopt", "pytest (>=3.9.0,<5.0.0)"]
+
+[[package]]
+category = "main"
 description = "A very fast and expressive template engine."
 name = "jinja2"
 optional = false
@@ -567,6 +722,101 @@ MarkupSafe = ">=0.23"
 [package.extras]
 i18n = ["Babel (>=0.8)"]
 
+[[package]]
+category = "main"
+description = "A Python implementation of the JSON5 data format."
+name = "json5"
+optional = true
+python-versions = "*"
+version = "0.9.5"
+
+[package.extras]
+dev = ["hypothesis"]
+
+[[package]]
+category = "main"
+description = "An implementation of JSON Schema validation for Python"
+name = "jsonschema"
+optional = true
+python-versions = "*"
+version = "3.2.0"
+
+[package.dependencies]
+attrs = ">=17.4.0"
+pyrsistent = ">=0.14.0"
+setuptools = "*"
+six = ">=1.11.0"
+
+[package.extras]
+format = ["idna", "jsonpointer (>1.13)", "rfc3987", "strict-rfc3339", "webcolors"]
+format_nongpl = ["idna", "jsonpointer (>1.13)", "webcolors", "rfc3986-validator (>0.1.0)", "rfc3339-validator"]
+
+[[package]]
+category = "main"
+description = "Jupyter protocol implementation and client libraries"
+name = "jupyter-client"
+optional = true
+python-versions = ">=3.5"
+version = "6.1.6"
+
+[package.dependencies]
+jupyter-core = ">=4.6.0"
+python-dateutil = ">=2.1"
+pyzmq = ">=13"
+tornado = ">=4.1"
+traitlets = "*"
+
+[package.extras]
+test = ["async-generator", "ipykernel", "ipython", "mock", "pytest", "pytest-asyncio", "pytest-timeout"]
+
+[[package]]
+category = "main"
+description = "Jupyter core package. A base package on which Jupyter projects rely."
+name = "jupyter-core"
+optional = true
+python-versions = "!=3.0,!=3.1,!=3.2,!=3.3,!=3.4,>=2.7"
+version = "4.6.3"
+
+[package.dependencies]
+pywin32 = ">=1.0"
+traitlets = "*"
+
+[[package]]
+category = "main"
+description = "The JupyterLab notebook server extension."
+name = "jupyterlab"
+optional = true
+python-versions = ">=3.5"
+version = "2.2.4"
+
+[package.dependencies]
+jinja2 = ">=2.10"
+jupyterlab-server = ">=1.1.5,<2.0"
+notebook = ">=4.3.1"
+tornado = "<6.0.0 || >6.0.0,<6.0.1 || >6.0.1,<6.0.2 || >6.0.2"
+
+[package.extras]
+docs = ["jsx-lexer", "recommonmark", "sphinx", "sphinx-rtd-theme", "sphinx-copybutton"]
+test = ["pytest", "pytest-check-links", "requests", "wheel", "virtualenv"]
+
+[[package]]
+category = "main"
+description = "JupyterLab Server"
+name = "jupyterlab-server"
+optional = true
+python-versions = ">=3.5"
+version = "1.2.0"
+
+[package.dependencies]
+jinja2 = ">=2.10"
+json5 = "*"
+jsonschema = ">=3.0.1"
+notebook = ">=4.2.0"
+requests = "*"
+
+[package.extras]
+test = ["pytest", "requests"]
+
 [[package]]
 category = "dev"
 description = "A fast and thorough lazy object proxy."
@@ -606,6 +856,14 @@ optional = false
 python-versions = "*"
 version = "0.6.1"
 
+[[package]]
+category = "main"
+description = "The fastest markdown parser in pure Python"
+name = "mistune"
+optional = true
+python-versions = "*"
+version = "0.8.4"
+
 [[package]]
 category = "dev"
 description = "More routines for operating on iterables, beyond itertools"
@@ -638,6 +896,62 @@ optional = false
 python-versions = "*"
 version = "0.4.3"
 
+[[package]]
+category = "main"
+description = "A simple extension for Jupyter Notebook and Jupyter Lab to beautify Python code automatically using Black."
+name = "nb-black"
+optional = true
+python-versions = "*"
+version = "1.0.7"
+
+[package.dependencies]
+ipython = "*"
+
+[[package]]
+category = "main"
+description = "Converting Jupyter Notebooks"
+name = "nbconvert"
+optional = true
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+version = "5.6.1"
+
+[package.dependencies]
+bleach = "*"
+defusedxml = "*"
+entrypoints = ">=0.2.2"
+jinja2 = ">=2.4"
+jupyter-core = "*"
+mistune = ">=0.8.1,<2"
+nbformat = ">=4.4"
+pandocfilters = ">=1.4.1"
+pygments = "*"
+testpath = "*"
+traitlets = ">=4.2"
+
+[package.extras]
+all = ["pytest", "pytest-cov", "ipykernel", "jupyter-client (>=5.3.1)", "ipywidgets (>=7)", "pebble", "tornado (>=4.0)", "sphinx (>=1.5.1)", "sphinx-rtd-theme", "nbsphinx (>=0.2.12)", "sphinxcontrib-github-alt", "ipython", "mock"]
+docs = ["sphinx (>=1.5.1)", "sphinx-rtd-theme", "nbsphinx (>=0.2.12)", "sphinxcontrib-github-alt", "ipython", "jupyter-client (>=5.3.1)"]
+execute = ["jupyter-client (>=5.3.1)"]
+serve = ["tornado (>=4.0)"]
+test = ["pytest", "pytest-cov", "ipykernel", "jupyter-client (>=5.3.1)", "ipywidgets (>=7)", "pebble", "mock"]
+
+[[package]]
+category = "main"
+description = "The Jupyter Notebook format"
+name = "nbformat"
+optional = true
+python-versions = ">=3.5"
+version = "5.0.7"
+
+[package.dependencies]
+ipython-genutils = "*"
+jsonschema = ">=2.4,<2.5.0 || >2.5.0"
+jupyter-core = "*"
+traitlets = ">=4.1"
+
+[package.extras]
+test = ["pytest", "pytest-cov", "testpath"]
+
 [[package]]
 category = "dev"
 description = "Node.js virtual environment builder"
@@ -646,6 +960,34 @@ optional = false
 python-versions = "*"
 version = "1.4.0"
 
+[[package]]
+category = "main"
+description = "A web-based notebook environment for interactive computing"
+name = "notebook"
+optional = true
+python-versions = ">=3.5"
+version = "6.1.1"
+
+[package.dependencies]
+Send2Trash = "*"
+argon2-cffi = "*"
+ipykernel = "*"
+ipython-genutils = "*"
+jinja2 = "*"
+jupyter-client = ">=5.3.4"
+jupyter-core = ">=4.6.1"
+nbconvert = "*"
+nbformat = "*"
+prometheus-client = "*"
+pyzmq = ">=17"
+terminado = ">=0.8.3"
+tornado = ">=5.0"
+traitlets = ">=4.2.1"
+
+[package.extras]
+docs = ["sphinx", "nbsphinx", "sphinxcontrib-github-alt"]
+test = ["nose", "coverage", "requests", "nose-warnings-filters", "nbval", "nose-exclude", "selenium", "pytest", "pytest-cov", "requests-unixsocket"]
+
 [[package]]
 category = "dev"
 description = "Flexible test automation."
@@ -664,7 +1006,15 @@ virtualenv = ">=14.0.0"
 tox_to_nox = ["jinja2", "tox"]
 
 [[package]]
-category = "dev"
+category = "main"
+description = "NumPy is the fundamental package for array computing with Python."
+name = "numpy"
+optional = true
+python-versions = ">=3.6"
+version = "1.19.1"
+
+[[package]]
+category = "main"
 description = "Core utilities for Python packages"
 name = "packaging"
 optional = false
@@ -675,6 +1025,41 @@ version = "20.4"
 pyparsing = ">=2.0.2"
 six = "*"
 
+[[package]]
+category = "main"
+description = "Powerful data structures for data analysis, time series, and statistics"
+name = "pandas"
+optional = true
+python-versions = ">=3.6.1"
+version = "1.1.0"
+
+[package.dependencies]
+numpy = ">=1.15.4"
+python-dateutil = ">=2.7.3"
+pytz = ">=2017.2"
+
+[package.extras]
+test = ["pytest (>=4.0.2)", "pytest-xdist", "hypothesis (>=3.58)"]
+
+[[package]]
+category = "main"
+description = "Utilities for writing pandoc filters in python"
+name = "pandocfilters"
+optional = true
+python-versions = "*"
+version = "1.4.2"
+
+[[package]]
+category = "main"
+description = "A Python Parser"
+name = "parso"
+optional = true
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "0.7.1"
+
+[package.extras]
+testing = ["docopt", "pytest (>=3.0.7)"]
+
 [[package]]
 category = "dev"
 description = "Utility library for gitignore style pattern matching of file paths."
@@ -702,6 +1087,26 @@ version = "0.9.1"
 [package.dependencies]
 flake8-polyfill = ">=1.0.2,<2"
 
+[[package]]
+category = "main"
+description = "Pexpect allows easy control of interactive console applications."
+marker = "sys_platform != \"win32\""
+name = "pexpect"
+optional = true
+python-versions = "*"
+version = "4.8.0"
+
+[package.dependencies]
+ptyprocess = ">=0.5"
+
+[[package]]
+category = "main"
+description = "Tiny 'shelve'-like database with concurrency support"
+name = "pickleshare"
+optional = true
+python-versions = "*"
+version = "0.7.5"
+
 [[package]]
 category = "dev"
 description = "plugin and hook calling mechanisms for python"
@@ -729,6 +1134,28 @@ pyyaml = ">=5.1"
 toml = "*"
 virtualenv = ">=20.0.8"
 
+[[package]]
+category = "main"
+description = "Python client for the Prometheus monitoring system."
+name = "prometheus-client"
+optional = true
+python-versions = "*"
+version = "0.8.0"
+
+[package.extras]
+twisted = ["twisted"]
+
+[[package]]
+category = "main"
+description = "Library for building powerful interactive command lines in Python"
+name = "prompt-toolkit"
+optional = true
+python-versions = ">=3.6.1"
+version = "3.0.6"
+
+[package.dependencies]
+wcwidth = "*"
+
 [[package]]
 category = "main"
 description = "psycopg2 - Python-PostgreSQL Database Adapter"
@@ -737,6 +1164,15 @@ optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*"
 version = "2.8.5"
 
+[[package]]
+category = "main"
+description = "Run a subprocess in a pseudo terminal"
+marker = "sys_platform != \"win32\" or os_name != \"nt\""
+name = "ptyprocess"
+optional = true
+python-versions = "*"
+version = "0.6.0"
+
 [[package]]
 category = "dev"
 description = "library with cross-python path, ini-parsing, io, code, log facilities"
@@ -753,6 +1189,14 @@ optional = false
 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"
+optional = true
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "2.20"
+
 [[package]]
 category = "dev"
 description = "Python docstring style checker"
@@ -773,7 +1217,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 version = "2.2.0"
 
 [[package]]
-category = "dev"
+category = "main"
 description = "Pygments is a syntax highlighting package written in Python."
 name = "pygments"
 optional = false
@@ -796,13 +1240,24 @@ mccabe = ">=0.6,<0.7"
 toml = ">=0.7.1"
 
 [[package]]
-category = "dev"
+category = "main"
 description = "Python parsing module"
 name = "pyparsing"
 optional = false
 python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 version = "2.4.7"
 
+[[package]]
+category = "main"
+description = "Persistent/Functional/Immutable data structures"
+name = "pyrsistent"
+optional = true
+python-versions = "*"
+version = "0.16.0"
+
+[package.dependencies]
+six = "*"
+
 [[package]]
 category = "dev"
 description = "pytest: simple powerful testing with Python"
@@ -883,13 +1338,31 @@ python-versions = "*"
 version = "1.0.4"
 
 [[package]]
-category = "dev"
+category = "main"
 description = "World timezone definitions, modern and historical"
 name = "pytz"
 optional = false
 python-versions = "*"
 version = "2020.1"
 
+[[package]]
+category = "main"
+description = "Python for Window Extensions"
+marker = "sys_platform == \"win32\""
+name = "pywin32"
+optional = true
+python-versions = "*"
+version = "228"
+
+[[package]]
+category = "main"
+description = "Python bindings for the winpty library"
+marker = "os_name == \"nt\""
+name = "pywinpty"
+optional = true
+python-versions = "*"
+version = "0.5.7"
+
 [[package]]
 category = "dev"
 description = "YAML parser and emitter for Python"
@@ -898,6 +1371,14 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 version = "5.3.1"
 
+[[package]]
+category = "main"
+description = "Python bindings for 0MQ"
+name = "pyzmq"
+optional = true
+python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*"
+version = "19.0.2"
+
 [[package]]
 category = "dev"
 description = "Alternative regular expression module, to replace re."
@@ -907,7 +1388,7 @@ python-versions = "*"
 version = "2020.7.14"
 
 [[package]]
-category = "dev"
+category = "main"
 description = "Python HTTP for Humans."
 name = "requests"
 optional = false
@@ -935,6 +1416,14 @@ version = "1.3.1"
 [package.dependencies]
 docutils = ">=0.11,<1.0"
 
+[[package]]
+category = "main"
+description = "Send file to trash natively under Mac OS X, Windows and Linux."
+name = "send2trash"
+optional = true
+python-versions = "*"
+version = "1.5.0"
+
 [[package]]
 category = "main"
 description = "Python 2 and 3 compatibility utilities"
@@ -1108,6 +1597,19 @@ version = "3.2.0"
 [package.dependencies]
 pbr = ">=2.0.0,<2.1.0 || >2.1.0"
 
+[[package]]
+category = "main"
+description = "Terminals served to xterm.js using Tornado websockets"
+name = "terminado"
+optional = true
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+version = "0.8.3"
+
+[package.dependencies]
+ptyprocess = "*"
+pywinpty = ">=0.5"
+tornado = ">=4"
+
 [[package]]
 category = "dev"
 description = "A collection of helpers and mock objects for unit tests and doc tests."
@@ -1121,6 +1623,17 @@ build = ["setuptools-git", "wheel", "twine"]
 docs = ["sphinx", "zope.component", "sybil", "twisted", "mock", "django (<2)", "django"]
 test = ["pytest (>=3.6)", "pytest-cov", "pytest-django", "zope.component", "sybil", "twisted", "mock", "django (<2)", "django"]
 
+[[package]]
+category = "main"
+description = "Test utilities for code working with files and commands"
+name = "testpath"
+optional = true
+python-versions = "*"
+version = "0.4.4"
+
+[package.extras]
+test = ["pathlib2"]
+
 [[package]]
 category = "dev"
 description = "Python Library for Tom's Obvious, Minimal Language"
@@ -1129,6 +1642,30 @@ optional = false
 python-versions = "*"
 version = "0.10.1"
 
+[[package]]
+category = "main"
+description = "Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed."
+name = "tornado"
+optional = true
+python-versions = ">= 3.5"
+version = "6.0.4"
+
+[[package]]
+category = "main"
+description = "Traitlets Python config system"
+name = "traitlets"
+optional = true
+python-versions = "*"
+version = "4.3.3"
+
+[package.dependencies]
+decorator = "*"
+ipython-genutils = "*"
+six = "*"
+
+[package.extras]
+test = ["pytest", "mock"]
+
 [[package]]
 category = "dev"
 description = "a fork of Python 2 and 3 ast modules with type comment support"
@@ -1146,7 +1683,7 @@ python-versions = "*"
 version = "3.7.4.2"
 
 [[package]]
-category = "dev"
+category = "main"
 description = "HTTP library with thread-safe connection pooling, file post, and more."
 name = "urllib3"
 optional = false
@@ -1176,6 +1713,22 @@ six = ">=1.9.0,<2"
 docs = ["proselint (>=0.10.2)", "sphinx (>=3)", "sphinx-argparse (>=0.2.5)", "sphinx-rtd-theme (>=0.4.3)", "towncrier (>=19.9.0rc1)"]
 testing = ["coverage (>=5)", "coverage-enable-subprocess (>=1)", "flaky (>=3)", "pytest (>=4)", "pytest-env (>=0.6.2)", "pytest-freezegun (>=0.4.1)", "pytest-mock (>=2)", "pytest-randomly (>=1)", "pytest-timeout (>=1)", "pytest-xdist (>=1.31.0)", "packaging (>=20.0)", "xonsh (>=0.9.16)"]
 
+[[package]]
+category = "main"
+description = "Measures the displayed width of unicode strings in a terminal"
+name = "wcwidth"
+optional = true
+python-versions = "*"
+version = "0.2.5"
+
+[[package]]
+category = "main"
+description = "Character encoding aliases for legacy web content"
+name = "webencodings"
+optional = true
+python-versions = "*"
+version = "0.5.1"
+
 [[package]]
 category = "dev"
 description = "The strictest and most opinionated python linter ever"
@@ -1237,8 +1790,11 @@ all = ["six", "pytest", "pytest-cov", "codecov", "scikit-build", "cmake", "ninja
 optional = ["pygments", "colorama"]
 tests = ["pytest", "pytest-cov", "codecov", "scikit-build", "cmake", "ninja", "pybind11"]
 
+[extras]
+research = ["jupyterlab", "nb_black", "numpy", "pandas", "pytz"]
+
 [metadata]
-content-hash = "3227fd9a5706b1483adc9b6cb7350515ffda05c38ab9c9a83d63594b3f4f6673"
+content-hash = "eba980d4335eef2012a1e7ce27941731149eb224cdfad856aa0bcd7701e9e557"
 lock-version = "1.0"
 python-versions = "^3.8"
 
@@ -1254,10 +1810,32 @@ appdirs = [
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 ]
+appnope = [
+    {file = "appnope-0.1.0-py2.py3-none-any.whl", hash = "sha256:5b26757dc6f79a3b7dc9fab95359328d5747fcb2409d331ea66d0272b90ab2a0"},
+    {file = "appnope-0.1.0.tar.gz", hash = "sha256:8b995ffe925347a2138d7ac0fe77155e4311a0ea6d6da4f5128fe4b3cbe5ed71"},
+]
 argcomplete = [
     {file = "argcomplete-1.12.0-py2.py3-none-any.whl", hash = "sha256:91dc7f9c7f6281d5a0dce5e73d2e33283aaef083495c13974a7dd197a1cdc949"},
     {file = "argcomplete-1.12.0.tar.gz", hash = "sha256:2fbe5ed09fd2c1d727d4199feca96569a5b50d44c71b16da9c742201f7cc295c"},
 ]
+argon2-cffi = [
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+    {file = "argon2_cffi-20.1.0-cp27-cp27m-macosx_10_6_intel.whl", hash = "sha256:6ea92c980586931a816d61e4faf6c192b4abce89aa767ff6581e6ddc985ed003"},
+    {file = "argon2_cffi-20.1.0-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:05a8ac07c7026542377e38389638a8a1e9b78f1cd8439cd7493b39f08dd75fbf"},
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+    {file = "argon2_cffi-20.1.0-cp35-abi3-manylinux1_x86_64.whl", hash = "sha256:b160416adc0f012fb1f12588a5e6954889510f82f698e23ed4f4fa57f12a0647"},
+    {file = "argon2_cffi-20.1.0-cp35-cp35m-win32.whl", hash = "sha256:9bee3212ba4f560af397b6d7146848c32a800652301843df06b9e8f68f0f7361"},
+    {file = "argon2_cffi-20.1.0-cp35-cp35m-win_amd64.whl", hash = "sha256:392c3c2ef91d12da510cfb6f9bae52512a4552573a9e27600bdb800e05905d2b"},
+    {file = "argon2_cffi-20.1.0-cp36-cp36m-win32.whl", hash = "sha256:ba7209b608945b889457f949cc04c8e762bed4fe3fec88ae9a6b7765ae82e496"},
+    {file = "argon2_cffi-20.1.0-cp36-cp36m-win_amd64.whl", hash = "sha256:da7f0445b71db6d3a72462e04f36544b0de871289b0bc8a7cc87c0f5ec7079fa"},
+    {file = "argon2_cffi-20.1.0-cp37-abi3-macosx_10_6_intel.whl", hash = "sha256:cc0e028b209a5483b6846053d5fd7165f460a1f14774d79e632e75e7ae64b82b"},
+    {file = "argon2_cffi-20.1.0-cp37-cp37m-win32.whl", hash = "sha256:18dee20e25e4be86680b178b35ccfc5d495ebd5792cd00781548d50880fee5c5"},
+    {file = "argon2_cffi-20.1.0-cp37-cp37m-win_amd64.whl", hash = "sha256:6678bb047373f52bcff02db8afab0d2a77d83bde61cfecea7c5c62e2335cb203"},
+    {file = "argon2_cffi-20.1.0-cp38-cp38-win32.whl", hash = "sha256:77e909cc756ef81d6abb60524d259d959bab384832f0c651ed7dcb6e5ccdbb78"},
+    {file = "argon2_cffi-20.1.0-cp38-cp38-win_amd64.whl", hash = "sha256:9dfd5197852530294ecb5795c97a823839258dfd5eb9420233c7cfedec2058f2"},
+]
 astor = [
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@@ -1285,6 +1863,10 @@ babel = [
     {file = "Babel-2.8.0-py2.py3-none-any.whl", hash = "sha256:d670ea0b10f8b723672d3a6abeb87b565b244da220d76b4dba1b66269ec152d4"},
     {file = "Babel-2.8.0.tar.gz", hash = "sha256:1aac2ae2d0d8ea368fa90906567f5c08463d98ade155c0c4bfedd6a0f7160e38"},
 ]
+backcall = [
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+    {file = "backcall-0.2.0.tar.gz", hash = "sha256:5cbdbf27be5e7cfadb448baf0aa95508f91f2bbc6c6437cd9cd06e2a4c215e1e"},
+]
 bandit = [
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     {file = "bandit-1.6.2.tar.gz", hash = "sha256:41e75315853507aa145d62a78a2a6c5e3240fe14ee7c601459d0df9418196065"},
@@ -1293,10 +1875,44 @@ black = [
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     {file = "black-19.10b0.tar.gz", hash = "sha256:c2edb73a08e9e0e6f65a0e6af18b059b8b1cdd5bef997d7a0b181df93dc81539"},
 ]
+bleach = [
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+    {file = "bleach-3.1.5.tar.gz", hash = "sha256:3c4c520fdb9db59ef139915a5db79f8b51bc2a7257ea0389f30c846883430a4b"},
+]
 certifi = [
     {file = "certifi-2020.6.20-py2.py3-none-any.whl", hash = "sha256:8fc0819f1f30ba15bdb34cceffb9ef04d99f420f68eb75d901e9560b8749fc41"},
     {file = "certifi-2020.6.20.tar.gz", hash = "sha256:5930595817496dd21bb8dc35dad090f1c2cd0adfaf21204bf6732ca5d8ee34d3"},
 ]
+cffi = [
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+    {file = "cffi-1.14.1-cp27-cp27m-manylinux1_i686.whl", hash = "sha256:4f53e4128c81ca3212ff4cf097c797ab44646a40b42ec02a891155cd7a2ba4d8"},
+    {file = "cffi-1.14.1-cp27-cp27m-manylinux1_x86_64.whl", hash = "sha256:833401b15de1bb92791d7b6fb353d4af60dc688eaa521bd97203dcd2d124a7c1"},
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+    {file = "cffi-1.14.1-cp27-cp27m-win_amd64.whl", hash = "sha256:b87dfa9f10a470eee7f24234a37d1d5f51e5f5fa9eeffda7c282e2b8f5162eb1"},
+    {file = "cffi-1.14.1-cp27-cp27mu-manylinux1_i686.whl", hash = "sha256:effd2ba52cee4ceff1a77f20d2a9f9bf8d50353c854a282b8760ac15b9833168"},
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+    {file = "cffi-1.14.1-cp37-cp37m-win_amd64.whl", hash = "sha256:4fa72a52a906425416f41738728268072d5acfd48cbe7796af07a923236bcf96"},
+    {file = "cffi-1.14.1-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:267adcf6e68d77ba154334a3e4fc921b8e63cbb38ca00d33d40655d4228502bc"},
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+    {file = "cffi-1.14.1-cp38-cp38-manylinux1_x86_64.whl", hash = "sha256:98be759efdb5e5fa161e46d404f4e0ce388e72fbf7d9baf010aff16689e22abe"},
+    {file = "cffi-1.14.1-cp38-cp38-win32.whl", hash = "sha256:6923d077d9ae9e8bacbdb1c07ae78405a9306c8fd1af13bfa06ca891095eb995"},
+    {file = "cffi-1.14.1-cp38-cp38-win_amd64.whl", hash = "sha256:b1d6ebc891607e71fd9da71688fcf332a6630b7f5b7f5549e6e631821c0e5d90"},
+    {file = "cffi-1.14.1.tar.gz", hash = "sha256:b2a2b0d276a136146e012154baefaea2758ef1f56ae9f4e01c612b0831e0bd2f"},
+]
 cfgv = [
     {file = "cfgv-3.2.0-py2.py3-none-any.whl", hash = "sha256:32e43d604bbe7896fe7c248a9c2276447dbef840feb28fe20494f62af110211d"},
     {file = "cfgv-3.2.0.tar.gz", hash = "sha256:cf22deb93d4bcf92f345a5c3cd39d3d41d6340adc60c78bbbd6588c384fda6a1"},
@@ -1357,6 +1973,14 @@ darglint = [
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     {file = "darglint-1.5.2.tar.gz", hash = "sha256:6b9461f96694c2cf1d8edb1597a783fe6840953b0eb18cc6cc1e72a26f196d79"},
 ]
+decorator = [
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+    {file = "decorator-4.4.2.tar.gz", hash = "sha256:e3a62f0520172440ca0dcc823749319382e377f37f140a0b99ef45fecb84bfe7"},
+]
+defusedxml = [
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+    {file = "defusedxml-0.6.0.tar.gz", hash = "sha256:f684034d135af4c6cbb949b8a4d2ed61634515257a67299e5f940fbaa34377f5"},
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 distlib = [
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@@ -1365,6 +1989,10 @@ docutils = [
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 ]
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+    {file = "entrypoints-0.3.tar.gz", hash = "sha256:c70dd71abe5a8c85e55e12c19bd91ccfeec11a6e99044204511f9ed547d48451"},
+]
 eradicate = [
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 ]
@@ -1466,14 +2094,54 @@ iniconfig = [
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 ]
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+]
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+]
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 typed-ast = [
     {file = "typed_ast-1.4.1-cp35-cp35m-manylinux1_i686.whl", hash = "sha256:73d785a950fc82dd2a25897d525d003f6378d1cb23ab305578394694202a58c3"},
     {file = "typed_ast-1.4.1-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:aaee9905aee35ba5905cfb3c62f3e83b3bec7b39413f0a7f19be4e547ea01ebb"},
@@ -1833,6 +2683,14 @@ virtualenv = [
     {file = "virtualenv-20.0.30-py2.py3-none-any.whl", hash = "sha256:8cd7b2a4850b003a11be2fc213e206419efab41115cc14bca20e69654f2ac08e"},
     {file = "virtualenv-20.0.30.tar.gz", hash = "sha256:7b54fd606a1b85f83de49ad8d80dbec08e983a2d2f96685045b262ebc7481ee5"},
 ]
+wcwidth = [
+    {file = "wcwidth-0.2.5-py2.py3-none-any.whl", hash = "sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784"},
+    {file = "wcwidth-0.2.5.tar.gz", hash = "sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83"},
+]
+webencodings = [
+    {file = "webencodings-0.5.1-py2.py3-none-any.whl", hash = "sha256:a0af1213f3c2226497a97e2b3aa01a7e4bee4f403f95be16fc9acd2947514a78"},
+    {file = "webencodings-0.5.1.tar.gz", hash = "sha256:b36a1c245f2d304965eb4e0a82848379241dc04b865afcc4aab16748587e1923"},
+]
 wemake-python-styleguide = [
     {file = "wemake-python-styleguide-0.14.1.tar.gz", hash = "sha256:e13dc580fa56b7b548de8da170bccb8ddff2d4ab026ca987db8a9893bf8a7b5b"},
     {file = "wemake_python_styleguide-0.14.1-py3-none-any.whl", hash = "sha256:73a501e0547275287a2b926515c000cc25026a8bceb9dcc1bf73ef85a223a3c6"},
diff --git a/pyproject.toml b/pyproject.toml
index 505526e..7752a23 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,12 +27,30 @@ repository = "https://github.com/webartifex/urban-meal-delivery"
 [tool.poetry.dependencies]
 python = "^3.8"
 
+# Package => code developed in *.py files and packaged under src/urban_meal_delivery
 alembic = "^1.4.2"
 click = "^7.1.2"
 psycopg2 = "^2.8.5"  # adapter for PostgreSQL
 python-dotenv = "^0.14.0"
 sqlalchemy = "^1.3.18"
 
+# Jupyter Lab => notebooks with analyses using the developed package
+# IMPORTANT: must be kept in sync with the "research" extra below
+jupyterlab = { version="^2.2.2", optional=true }
+nb_black = { version="^1.0.7", optional=true }
+numpy = { version="^1.19.1", optional=true }
+pandas = { version="^1.1.0", optional=true }
+pytz = { version="^2020.1", optional=true }
+
+[tool.poetry.extras]
+research = [
+    "jupyterlab",
+    "nb_black",
+    "numpy",
+    "pandas",
+    "pytz",
+]
+
 [tool.poetry.dev-dependencies]
 # Task Runners
 nox = "^2020.5.24"