[Checkins] [zopefoundation/Record] 3713b9: Use `ExtensionClass.Base.__new__`.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/Record
  Commit: 3713b9f266178ff667bea29678c577cd7cb8b84f
      https://github.com/zopefoundation/Record/commit/3713b9f266178ff667bea29678c577cd7cb8b84f
  Author: Hanno Schlichting <hanno at hannosch.eu>
  Date:   2017-04-26 (Wed, 26 Apr 2017)

  Changed paths:
    M CHANGES.rst
    M src/Record/__init__.py

  Log Message:
  -----------
  Use `ExtensionClass.Base.__new__`.