mvk13ogb/qwait — pull request #46 by hlilje (2014-03-05 18:45:14+00:00)
Title: Null principal check

I have added checks to handle a null principals/accounts to the places I could figure out they were used/necessary. Feel free to find more usages which needs checks for this. I also added a permission check to see if you should be allowed to comment or edit location on a queue position.