[Checkins] [zopefoundation/BTrees] 75f784: Add support for Python 3.8

[Marius Gedminas]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/BTrees
  Commit: 75f7842834918f24a0dbc2e8a31d7d77da46327e
      https://github.com/zopefoundation/BTrees/commit/75f7842834918f24a0dbc2e8a31d7d77da46327e
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2019-11-06 (Wed, 06 Nov 2019)

  Changed paths:
    M .manylinux-install.sh
    M .travis.yml
    M CHANGES.rst
    M appveyor.yml
    M setup.py
    M tox.ini

  Log Message:
  -----------
  Add support for Python 3.8

I'm skipping the MacOS build on Travis because 3.8 is not available yet
from https://github.com/MacPython/terryfy


  Commit: 0bc1bd5fef7f490afcf9a969cbfa46dbf97a7269
      https://github.com/zopefoundation/BTrees/commit/0bc1bd5fef7f490afcf9a969cbfa46dbf97a7269
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2019-11-06 (Wed, 06 Nov 2019)

  Changed paths:
    M appveyor.yml

  Log Message:
  -----------
  Add the appveyor magic to install Python 3.8


  Commit: aa10755df4affa964f4ae6b1bb58b939233e5f65
      https://github.com/zopefoundation/BTrees/commit/aa10755df4affa964f4ae6b1bb58b939233e5f65
  Author: Marius Gedminas <marius at gedmin.as>
  Date:   2019-11-07 (Thu, 07 Nov 2019)

  Changed paths:
    M .manylinux-install.sh
    M .travis.yml
    M CHANGES.rst
    M appveyor.yml
    M setup.py
    M tox.ini

  Log Message:
  -----------
  Merge pull request #114 from zopefoundation/py38

Add support for Python 3.8


Compare: https://github.com/zopefoundation/BTrees/compare/95bbc8ac182b...aa10755df4af