More More progress

-added a Settings dialog with more features to come (WOOO!)
-added different selection modes (multi and single)
-added editing options (true or false and multiple question)
-'export' action is now usable
-made some changes to the UI
-added an icon or two to the resource file
-formatted some of the code (don't know if i should put that here, it's
my first github project dammit)