[Checkins] [zopefoundation/persistent] 8a56e0: Enable Python 3.8 on Appveyer and also for manylin...

[Marius Gedminas]

  Branch: refs/heads/py38-wheels
  Home:   https://github.com/zopefoundation/persistent
  Commit: 8a56e0e6ef5801f514963251ff62221ca8c24b38
      https://github.com/zopefoundation/persistent/commit/8a56e0e6ef5801f514963251ff62221ca8c24b38
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2019-11-01 (Fri, 01 Nov 2019)

  Changed paths:
    M .manylinux-install.sh
    M appveyor.yml

  Log Message:
  -----------
  Enable Python 3.8 on Appveyer and also for manylinux builds

Since 3.8 is not available on Appveyor yet, use a script to install it.