0.5.6 — DanielX.net Paint Composer Steam update #1010963

Bugfix: Zero delta time note release would cause some drum track events to be silent. Bugfix: Stuck notes. Fixed bug where playing notes, then stopping playback, then placing notes on the same pitches as notes that were previously playing when playback stopped would cause those newly placed notes to get stuck. Performance Improvement: Don't do any shader processing when no vfx filter is selected.