Multi Sequence compound primary key order when containing an auto_increment column fix
http://bugs.limesurvey.org/view.php?id=8446
http://www.limesurvey.org/en/forum/can-i-do-this-with-limesurvey/95421-bug-in-second-language-need-help-we-must-go-online-soon
http://stackoverflow.com/questions/5416548/mysql-two-column-primary-key-with-auto-increment