Merged revisions 3536-3555 from 3.0.5 stable branch.

tbrehm

2012-10-16 a008884b8f041577d43675f13c492f45fb9ee066

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