[Checkins] [zopefoundation/ZODB] 954263: Switch to using non-backward-compatible pickles

[GitHub]

  Branch: refs/heads/issue_4
  Home:   https://github.com/zopefoundation/ZODB
  Commit: 95426303ba71a2c9ba89c831034b2a980e1e791a
      https://github.com/zopefoundation/ZODB/commit/95426303ba71a2c9ba89c831034b2a980e1e791a
  Author: Tres Seaver <tseaver at palladion.com>
  Date:   2013-06-06 (Thu, 06 Jun 2013)

  Changed paths:
    M CHANGES.rst
    M src/ZODB/_compat.py
    M src/ZODB/tests/testSerialize.py

  Log Message:
  -----------
  Switch to using non-backward-compatible pickles

- Allow protocol 3 under Python 3.

- Do not stori bytes as strings under Python 3.

Fixes issue #4.