Add needed processing files
Connection between -core and -processing fixed
Fixed some issues with noteOff

 - pressed Note cache seems not to work
Enhance example with pressedNotes
Adapted example
Added example for music key determination
Fix issue with concurrent list modification
Add logging functionality

A call of the function debugMode set the log level globally to ALL.
Add more documentation
Increase version to 0.1
Update processing version to 2.1.1