db operations fixed



git-svn-id: http://coturn.googlecode.com/svn/trunk@281 a3c88463-c8e2-e606-d8d5-275b8e57aef6
working on oauth



git-svn-id: http://coturn.googlecode.com/svn/trunk@282 a3c88463-c8e2-e606-d8d5-275b8e57aef6