Changed the way the selected source gets saved

Added a global catch for all exceptions that might occur for better logging
Bumped Version Numbrt

Added a menu entry for the widget. File -> Widget

fixed song request bug

after the last song from the queue had been played, the song would not refresh

Bumped Version Number

Transitioniong to 1.2.0

Removed some Spotify API calls because of rate limit issues

Changed Spotify-Poll rate to be every 3 Seconds instead of every second

Added Tutorial on how to get the reward id

deezer: fetching songs from startup

Removed test strings

Fixed major bugs

Fixed major bug that caused the software to not work at all when the Songify.txt wasn't present / created.

Fixed another major bug that caused crashes when unchecking Upload Song Info. 

Google Chrome should work without freezing anymore.

Updated Version to 1.7

Ready for release