[Checkins] [zopefoundation/zope.generations] d2ea96: Add support for Python 3.8 and drop support for 3....

[Michael Howitz]

  Branch: refs/heads/fix-python-versions
  Home:   https://github.com/zopefoundation/zope.generations
  Commit: d2ea96a5cb5fe0f0c2e26ac7f4cf48df173cbfb5
      https://github.com/zopefoundation/zope.generations/commit/d2ea96a5cb5fe0f0c2e26ac7f4cf48df173cbfb5
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-08-07 (Fri, 07 Aug 2020)

  Changed paths:
    M .travis.yml
    M CHANGES.rst
    R bootstrap.py
    M setup.py
    M tox.ini

  Log Message:
  -----------
  Add support for Python 3.8 and drop support for 3.4 and 3.5.