Initial Import
WOrks
First working filters
Before addition of group impl.
First signs of grouping support
Grouping works now
Selection
Working nicely
Implemented Validator
Removed warnings
Reworked Scanning
Refactoring
Component count selection
Working text highlighting
Note Renderer
Added sharps, first clickable note feature
Synchronized select and play (avoids problems when playing song and
editing another one)
Simplified songframe access to song
Moved notewidget towards song based operation
Completed move to Song based note view!
Added (non-persistent!) pitch modifications