[Checkins] [zopefoundation/Products.ZCatalog] b0af94: Add support for Python 3.9. (#111)

[Michael Howitz]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Products.ZCatalog
  Commit: b0af944179e948659c73bac70a50a8db84b5eb05
      https://github.com/zopefoundation/Products.ZCatalog/commit/b0af944179e948659c73bac70a50a8db84b5eb05
  Author: Michael Howitz <mh at gocept.com>
  Date:   2020-10-08 (Thu, 08 Oct 2020)

  Changed paths:
    M .travis.yml
    M CHANGES.rst
    M MANIFEST.in
    R bootstrap.py
    M buildout.cfg
    M setup.cfg
    M setup.py
    M tox.ini

  Log Message:
  -----------
  Add support for Python 3.9. (#111)

* Bumped version for breaking release.