MidiYodi updated to v3.3

Major track editing enhancement has been added in the Main Window including possibility to:

• Add Track (CTRL/CMD+A) - Will add a new, empty track below the selected track (or at the end if no track is selected)
• Duplicate Track (CTRL/CMD+D) - Will make a copy of the currently selected track below it
• Move Track up (CTRL/CMD+UP) and down (CTRL/CMD+DOWN)

Minor changes to keyboard shortcuts:

• Key (UP) and (DOWN) selects previous and next track.
• Key (+) and (-) increases and decreases measure with in Main Window, Keyboard- and Score examiner.
• In addtion to the DELETE key the BACKSPACE key now alse deletes selected tracks or notes.