[Checkins] [zopefoundation/Products.ZopeVersionControl] 32e6c1: Add support for Python 3.7 and 3.8.

[Jürgen Gmach]

  Branch: refs/heads/fix-builds
  Home:   https://github.com/zopefoundation/Products.ZopeVersionControl
  Commit: 32e6c108fd0f6286c1d8f056b6ea6f2b1b9526cc
      https://github.com/zopefoundation/Products.ZopeVersionControl/commit/32e6c108fd0f6286c1d8f056b6ea6f2b1b9526cc
  Author: Jürgen Gmach <juergen.gmach at apis.de>
  Date:   2019-04-14 (Sun, 14 Apr 2019)

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

  Log Message:
  -----------
  Add support for Python 3.7 and 3.8.

modified:   .travis.yml
modified:   CHANGES.rst
modified:   setup.py
modified:   tox.ini