[Checkins] [zopefoundation/ZODB] 448e55: Add Python 38 to Appveyor configuration file.

[Jürgen Gmach]

  Branch: refs/heads/add-py38
  Home:   https://github.com/zopefoundation/ZODB
  Commit: 448e5552246f07ab87e0ac578819c198466c3c77
      https://github.com/zopefoundation/ZODB/commit/448e5552246f07ab87e0ac578819c198466c3c77
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2019-11-21 (Thu, 21 Nov 2019)

  Changed paths:
    M appveyor.yml

  Log Message:
  -----------
  Add Python 38 to Appveyor configuration file.

modified:   appveyor.yml