important bugs fixed and small improvements
improvements
- 2D distance module (for surround calculation)
- Battery Charge Level indicator module
- better fluidity in the sequencer
- new parameters in the Markers module
- the loading of patches is faster
- new 'Roller Sequencer' patch in the library
fixed bugs
- the sequencer waveplayer doesn't work properly in multi-core optimization mode
- the OSC can crash in multi-core optimization mode
- problems when saving big workspace while the audio engine is ON
- undo crashes in sub-patches

