[Checkins] [zopefoundation/AccessControl] da8a7e: Harmonize errors raised by 'guarded_hasattr'.

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/AccessControl
  Commit: da8a7ea8f6cc458b1633d68deaf12155595199d9
      https://github.com/zopefoundation/AccessControl/commit/da8a7ea8f6cc458b1633d68deaf12155595199d9
  Author: Tres Seaver <tseaver at palladion.com>
  Date:   2017-05-02 (Tue, 02 May 2017)

  Changed paths:
    M src/AccessControl/ZopeGuards.py
    M src/AccessControl/cAccessControl.c
    M src/AccessControl/tests/testZopeGuards.py

  Log Message:
  -----------
  Harmonize errors raised by 'guarded_hasattr'.

C and Python should raise the same exceptions in the same cases.

Closes #13.