Prepare release
Refs #116 and sebastianbergmann/phpunit#796.

 * Added tests for sebastianbergmann/phpunit#798.
Merge pull request #117 from whatthejeff/issue_116
Simplify
PHPUnit_Util_Type::toString() -> PHPUnit_Util_Type::export()
Hopyfully correct the check for PHPUnit_Framework_MockObject_Matcher_AnyInvokedCount
Merge branch '1.2'