Fixed noise issues
Fixed divide by zero errors when time constant is 0
Tweaked maximum contour frequency
Updated todo
Remove release stuff from basic n stage
Added sweep contour code
Added sweep UI code, tweaked instrument code
Sweep now works
Updated some UI strings
Added todo
Added oscillation type settings
Oscillation type settings in UI
UI graph for fading / swelling oscillations
Swelling and fading oscillations working
Added pitch setting and UI
Pitch defaults and state
Works but oscillating pitch is wonky
Pitch better but maybe should use detune instead
Updated todo
Moved pitch into its own class