implemented setting class
added settings class to project
changes view + file format update

added a change history view
change the db file format from xml to binary
added recent files + import old file format
changes to the changes form

FIX fixed a bug where the changes form did not show the change
CHANGE reversed the changes form list for a better overview
ADD the changes form now changes everytime  something changes
Merge pull request #1 from flubbes/update-1

Upgrade to version 0.2-alpha