Update html2text to 2019.8.11

[pyup-bot]

This PR updates html2text from 2018.1.9 to 2019.8.11.

Changelog

2019.8.11

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* Add support for wrapping list items.
* Fix 201: handle ‎/‏ marks mid-text within stressed tags or right after stressed tags.
* Feature 213: ``images_as_html`` config option to always generate an ``img`` html tag. preserves "height", "width" and "alt" if possible.
* Remove support for end-of-life Pythons. Now requires Python 2.7 or 3.4+.
* Remove support for retrieving HTML over the network.
* Add ``__main__.py`` module to allow running the CLI using ``python -m html2text ...``.
* Fix 238: correct spacing when a HTML entity follows a non-stressed tags which follow a stressed tag.
* Remove unused or deprecated:
* ``html2text.compat.escape()``
* ``html2text.config.RE_UNESCAPE``
* ``html2text.HTML2Text.replaceEntities()``
* ``html2text.HTML2Text.unescape()``
* ``html2text.unescape()``
* Fix 208: handle LEFT-TO-RIGHT MARK after a stressed tag.

Links

• PyPI: https://pypi.org/project/html2text
• Changelog: https://pyup.io/changelogs/html2text/
• Repo: https://github.com/Alir3z4/html2text/

[pyup-bot]

Closing this in favor of #20