tried to speed up the "preparing copies" step (before playback)

Signed-off-by: Maximilian Marcoll <quince@maximilianmarcoll.de>
fixed leaking issue (csoundplayer still crashes on dealloc)

Signed-off-by: Maximilian Marcoll <quince@maximilianmarcoll.de>
added ReverseLegato Function

Signed-off-by: Maximilian Marcoll <quince@maximilianmarcoll.de>
changes

Signed-off-by: Maximilian Marcoll <quince@maximilianmarcoll.de>
added window menu commands

Signed-off-by: Maximilian Marcoll <quince@maximilianmarcoll.de>