[Checkins] [zopefoundation/zope.proxy] bbb6c7: Make the C extension optional; test PURE_PYTHON an...

[GitHub]

  Branch: refs/heads/issue26
  Home:   https://github.com/zopefoundation/zope.proxy
  Commit: bbb6c7de6cad1eb26768f87a2d87883eebb98437
      https://github.com/zopefoundation/zope.proxy/commit/bbb6c7de6cad1eb26768f87a2d87883eebb98437
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2017-11-08 (Wed, 08 Nov 2017)

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

  Log Message:
  -----------
  Make the C extension optional; test PURE_PYTHON and PyPy3 on Travis. Fixes #26