Version de correction de bugs.
- bug #4467 shell_exec() has been disabled for security reasons
- bug #4470 Error while submitting empty query
- bug #4463 Fatal error: Class 'PMA_DatabaseInterface' not found
- bug #4469 Fixed cookie based login for installations without mcrypt
- bug #4473 incorrect result count when having clause is used
- mcrypt: remove the requirement (64-bit) and the related warning