Products.zmysqlda

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- fix wrong use of ``charset`` for ``unicode_literal``

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- fix the Browse tab under Python 3
(`14 <https://github.com/zopefoundation/Products.ZMySQLDA/issues/14>`_)

- add more content to the long_description metadata
(`13 <https://github.com/zopefoundation/Products.ZMySQLDA/issues/13>`_)

- fixes to the Browse ZMI tab

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- fix database version detection for savepoint support
(`7 <https://github.com/zopefoundation/Products.ZMySQLDA/issues/7>`_)

- remove explicit ``setuptools`` version pin in ``setup.py``
(`11 <https://github.com/zopefoundation/Products.ZMySQLDA/issues/11>`_)

- more strict flake8 code style compliance

- trove classifier cleanup

- buildout configuration cleanup

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- When editing a connection in the ZMI, show an error message and not
an exception when the connection fails.

- ZMI usability enhanced by providing feedback when editing a connection

- Specify supported Python versions using ``python_requires`` in setup.py

- Added support for Python 3.8

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- additional compatibility fixes for mysqlclient 14.0 and up

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- compatibility fix for mysqlclient 14.0 and up