zendframework/zf2 — pull request #531 by sasezaki (2011-10-25 13:25:46+00:00)
Title: sync svn r23438 - Zend_Crypt

sync svn r23438 -
Zend_Crypt: improve required extensions management, correct unit tests.
(only sync in this pull. I had suggested about Update Exception.
http://zend-framework-community.634137.n4.nabble.com/Questions-about-current-ZF2-tasks-td3909150.html)