refs #19 Drop questions handling on server side was incorrectly using
SessionID.  This caused the deletion to fail.  Make sure also to handle
the case where the index === 0.   This isn't ok to say (!idx), be more
careful.
Merge commit 'a235fec' into dev
refs #98, #26 Add SessionID to Question submitted by a client if we
don't already have a Question SessionID.
refs #98,#26 Merge commit '363467344fd049e93e87d4ecd5106fbdabe6f279' into dev

* commit '363467344fd049e93e87d4ecd5106fbdabe6f279':
  refs #98, #26 Add SessionID to Question submitted by a client if we don't already have a Question SessionID.
refs #40, #26 Fix the empty username validation on login.
Merge commit '2703afd' into dev