Merge pull request #56 from chrqls/dev

[#26]  Getting the saving questions to create a new IQSet
refs #26 Fix layout of session detail (add stats), fix all $index refs
to get the function $index() observable, and increment by 1.
refs #26 Add descending: true to args into Persisteus.  We should clean
up the options to persisteus so that one can decide if ascending or
descending is important.