Merge branch 'feature/backup_stats' into 'master'

Marius Cramer

2015-01-05 307a78622c6a6b9b1a5a1dc51a8d54cf95e8a3c2

1
ALTER TABLE  `sys_session` CHANGE  `session_id`  `session_id` VARCHAR( 64 ) CHARACTER SET latin1 COLLATE latin1_swedish_ci NOT NULL;