[Config] Fix: merge, empty arguments
[Model/Model] Fix: selftest, Case of empty variable
[OnePiece5] Change: SetCookie, Recovery expire arguments
[Wizard] Fix: illigal value
[PDO] Fix:
[PDO/PDO5] Fix: Escape table name
[Wizard] Change: not hevy
[Model/OpUser] Chagne: table name
[Wiki2Engine] Fix: Close Encounters of the Third Kind
[Wizard] New: Check privilege method
[Cache] Change: Stopped the support of auto conversion of key.
[PDO/PDO5] Change: Key of the Cache
[PDO/DML] Change: ConvertTableJoin, Support multi table join
[Form5] Change: Clear method, change arguments name
[readme]