- sequence length is now correctly determined based on longest track + added property
- renamed forChannel into forChannelIndex to avoid any confusion (indices are always 0-based)
- music player is now setup to handle up to 16 channels
- if soundPresetName is empty string, no preset will be loaded for the corresponding channel
- currently channel strip contains: sampler --> limiter --> mixer
- some more logging
- sequence name and sound preset names can now be set from outside MPAudioManager