[Checkins] [zopefoundation/persistent] 349e9e: Add change note and coverage badge to README

[GitHub]

  Branch: refs/heads/coverage
  Home:   https://github.com/zopefoundation/persistent
  Commit: 349e9e2f506e8af21e9290e90a7cadf4fdd4fde6
      https://github.com/zopefoundation/persistent/commit/349e9e2f506e8af21e9290e90a7cadf4fdd4fde6
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2018-08-01 (Wed, 01 Aug 2018)

  Changed paths:
    M CHANGES.rst
    M README.rst
    M persistent/tests/test_persistence.py

  Log Message:
  -----------
  Add change note and coverage badge to README
[skip ci]

Update PyPI links in readme.

Fix typo in test_persistence.py



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