Colouredlogs

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Merged pull requests `34`_, `37`_ and `38`_:

- Include the files needed to generate the Sphinx documentation in source distributions published to PyPI (`34`_).
- Improve documentation by removing usage of deprecated ``logger.warn()`` function (`37`_).
- Improve documentation by using module ``__name__`` variable for logger name (`38`_).
- Also fixed the test suite after verboselogs 1.7 was released.

.. _Release 7.2: https://github.com/xolox/python-coloredlogs/compare/7.1...7.2
.. _34: https://github.com/xolox/python-coloredlogs/pull/34
.. _37: https://github.com/xolox/python-coloredlogs/pull/37
.. _38: https://github.com/xolox/python-coloredlogs/pull/38

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Make it easy to output milliseconds and improve documentation on this (`16`_).

.. _Release 7.1: https://github.com/xolox/python-coloredlogs/compare/7.0.1...7.1
.. _16: https://github.com/xolox/python-coloredlogs/issues/16

-----------------------------

Try to improve robustness during garbage collection (related to `33`_).

.. _Release 7.0.1: https://github.com/xolox/python-coloredlogs/compare/7.0...7.0.1
.. _33: https://github.com/xolox/python-coloredlogs/issues/33

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This release improves the robustness of ANSI to HTML conversion:

- Don't break ANSI to HTML conversion on output encoding errors.
- Gracefully handle unsupported colours in converter module.
- Make it even easier to integrate with ``cron``.
- Improved the HTML encoding of whitespace.
- Wrap generated HTML in ``<code>`` by default.
- Reduced the size of generated HTML (really CSS).
- Reduced internal duplication of constants.

.. _Release 7.0: https://github.com/xolox/python-coloredlogs/compare/6.4...7.0

---------------------------

Mention ``colorama.init()`` in the documentation (fixes `25`_).

.. _Release 6.4: https://github.com/xolox/python-coloredlogs/compare/6.3...6.4
.. _25: https://github.com/xolox/python-coloredlogs/issues/25

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Bug fix: Avoid ``copy.copy()`` deadlocks (fixes `29`_).

This was a rather obscure issue and I expect this not to to affect most users,
but the reported breakage was definitely not intended, so it was a bug I wanted
to fix.

.. _Release 6.3: https://github.com/xolox/python-coloredlogs/compare/6.2...6.3
.. _29: https://github.com/xolox/python-coloredlogs/issues/29