[Checkins] [zopefoundation/ZODB] f80356: Fix registration of custom logging level names.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/ZODB
  Commit: f803568654ecb766e5354cadee9f336dfc8b00a9
      https://github.com/zopefoundation/ZODB/commit/f803568654ecb766e5354cadee9f336dfc8b00a9
  Author: Tres Seaver <tseaver at palladion.com>
  Date:   2014-12-26 (Fri, 26 Dec 2014)

  Changed paths:
    M CHANGES.rst
    M src/ZODB/loglevels.py

  Log Message:
  -----------
  Fix registration of custom logging level names.

We have been registering our custom level names ("BLATHER", "TRACE) in the
wrong order since 2004.  Before Python 3.4, the stdlib ``logging`` module
masked the error by registering them in *both* directions.