Markdownsubscript

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- (Re-)Enable short-name module reference
(specific to Markdown v3; PR `53`_)
- Improved setup.py metadata

.. _53: https://github.com/jambonrose/markdown_subscript_extension/pull/53

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- Add support for Python-Markdown 3.0
- Add support for Python 3.7 and PyPy3
- Switch tests to use PyTest
- Tox now checks package distribution
- Integrate PyUp
- Write documentation in Sphinx
- Integrate Read The Docs
- Rework existing restructured text documents
- Fix badges in Read Me

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- Add test/support for Python-Markdown 2.6
- Drop Support For:
- Python 2.6 (EOL 2013)
- Python 3.2 (EOL 2016)
- Python-Markdown 2.4 (Superseded in 2014)
- Fix Issue 2 - Setup.py errors; Description.rst missing

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- Update for Python-Markdown 2.5

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- Initial Release of Markdown Subscript Extension
- Compatible with:
- Python-Markdown 2.4
- Python 2.6, 2.7
- Python 3.2, 3.3, 3.4