Merged revisions 3845-3876 and 3879-3918 from stable branch.

hellkat

2013-03-26 cc65688b3da3e16729a1f73dd50fd975bd1ff741

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ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;