Added failing test for session validator with a save_handler issue
Fixed issue with session validators when a custom session handler is defined
Fixed CS issue
Fixed CS issue
Merge branch 'hotfix/3355'

Close #3355
Fixes #2511
Merge branch 'zf-sessionValidators' of git://github.com/youngguns-nl/zf2 into hotfix/3356
Merge branch 'hotfix/3356' into develop

Forward port #3356