Changed behaviour of new ISINT filter to allow negative values (like the ol...

Till Brehm

2016-01-10 2d45f0abce63945cb05ab7fcf7d0642e8107905e

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