REQ: zplane deCoda v1.0.3 Updates

zplane releases bugfix update for deCoda v1.0.3
This version has
- (enh) changed midi export behavior when there is nothing to export
- (fix) occasional note editing crash
- (fix) chord display bug in chord bar (min chord were sometimes displayed as maj chords)
- (fix) synth volume lower than before
- (fix) crash for audio loop export
- (fix) other minor fixes