Bumps [environs](https://github.com/sloria/environs) from 5.2.0 to 5.2.1.
- [Release notes](https://github.com/sloria/environs/releases)
- [Changelog](https://github.com/sloria/environs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sloria/environs/compare/5.2.0...5.2.1

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [flake8-docstrings](https://gitlab.com/pycqa/flake8-docstrings) from 1.3.0 to 1.3.1.
- [Release notes](https://gitlab.com/pycqa/flake8-docstrings/tags)
- [Changelog](https://gitlab.com/pycqa/flake8-docstrings/blob/master/HISTORY.rst)
- [Commits](https://gitlab.com/pycqa/flake8-docstrings/commits/master

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 1.3.5 to 1.3.6.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/master/CHANGES)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* We're py3-only, so py[co] files won't get created
* Flask's not has a built-in `flask routes` command

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 0.15.4 to 0.15.5.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/master/CHANGES.rst)
- [Commits](https://github.com/pallets/werkzeug/compare/0.15.4...0.15.5

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Updates the requirements on [mini-css-extract-plugin](https://github.com/webpack-contrib/mini-css-extract-plugin) to permit the latest version.
- [Release notes](https://github.com/webpack-contrib/mini-css-extract-plugin/releases)
- [Changelog](https://github.com/webpack-contrib/mini-css-extract-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/mini-css-extract-plugin/compare/v0.7.0...v0.8.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [supervisor](https://github.com/Supervisor/supervisor) from 4.0.3 to 4.0.4.
- [Release notes](https://github.com/Supervisor/supervisor/releases)
- [Changelog](https://github.com/Supervisor/supervisor/blob/master/CHANGES.rst)
- [Commits](https://github.com/Supervisor/supervisor/compare/4.0.3...4.0.4

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [pytest](https://github.com/pytest-dev/pytest) from 5.0.0 to 5.0.1.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/5.0.0...5.0.1

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [environs](https://github.com/sloria/environs) from 4.2.0 to 5.1.0.
- [Release notes](https://github.com/sloria/environs/releases)
- [Changelog](https://github.com/sloria/environs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sloria/environs/compare/4.2.0...5.1.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [flake8](https://gitlab.com/pycqa/flake8) from 3.7.7 to 3.7.8.
- [Release notes](https://gitlab.com/pycqa/flake8/tags)
- [Commits](https://gitlab.com/pycqa/flake8/compare/3.7.7...3.7.8

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #515 from cookiecutter-flask/dependabot/pip/{{cookiecutter.app_name}}/flask-1.1.1

Bump flask from 1.1.0 to 1.1.1 in /{{cookiecutter.app_name}}

Bumps [flask](https://github.com/pallets/flask) from 1.1.0 to 1.1.1.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/master/CHANGES.rst)
- [Commits](https://github.com/pallets/flask/compare/1.1.0...1.1.1

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #512 from cookiecutter-flask/dependabot/pip/{{cookiecutter.app_name}}/flask-1.1.0

Bump flask from 1.0.3 to 1.1.0 in /{{cookiecutter.app_name}}

Bumps [flask](https://github.com/pallets/flask) from 1.0.3 to 1.1.0.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/master/CHANGES.rst)
- [Commits](https://github.com/pallets/flask/compare/1.0.3...1.1.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #511 from cookiecutter-flask/dependabot/pip/{{cookiecutter.app_name}}/pytest-5.0.0

Bump pytest from 4.6.3 to 5.0.0 in /{{cookiecutter.app_name}}

Bumps [pytest](https://github.com/pytest-dev/pytest) from 4.6.3 to 5.0.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/4.6.3...5.0.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #510 from cookiecutter-flask/dependabot/pip/{{cookiecutter.app_name}}/isort-4.3.21

Bump isort from 4.3.20 to 4.3.21 in /{{cookiecutter.app_name}}

Bumps [isort](https://github.com/timothycrosley/isort) from 4.3.20 to 4.3.21.
- [Release notes](https://github.com/timothycrosley/isort/releases)
- [Changelog](https://github.com/timothycrosley/isort/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/timothycrosley/isort/compare/4.3.20...4.3.21

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #508 from cookiecutter-flask/dependabot/pip/{{cookiecutter.app_name}}/sqlalchemy-1.3.5

Bump sqlalchemy from 1.3.4 to 1.3.5 in /{{cookiecutter.app_name}}

Bumps [sqlalchemy](https://github.com/sqlalchemy/sqlalchemy) from 1.3.4 to 1.3.5.
- [Release notes](https://github.com/sqlalchemy/sqlalchemy/releases)
- [Changelog](https://github.com/sqlalchemy/sqlalchemy/blob/master/CHANGES)
- [Commits](https://github.com/sqlalchemy/sqlalchemy/commits

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #507 from cookiecutter-flask/dependabot/pip/{{cookiecutter.app_name}}/pytest-4.6.3

Bump pytest from 4.6.2 to 4.6.3 in /{{cookiecutter.app_name}}

Bumps [pytest](https://github.com/pytest-dev/pytest) from 4.6.2 to 4.6.3.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/4.6.2...4.6.3

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Merge pull request #506 from cookiecutter-flask/dependabot/npm_and_yarn/{{cookiecutter.app_name}}/css-loader-tw-3.0.0

Update css-loader requirement from ^2.1.1 to ^3.0.0 in /{{cookiecutter.app_name}}

Updates the requirements on [css-loader](https://github.com/webpack-contrib/css-loader) to permit the latest version.
- [Release notes](https://github.com/webpack-contrib/css-loader/releases)
- [Changelog](https://github.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/css-loader/compare/v2.1.1...v3.0.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Eliminate unnecessary pinned dependencies

Add black formatting

Support passing custom sets of kwargs when creating a reference column

Allow cookiecutter build in docker

Fix logging issue

Closes #247