Removed default values from Settings constructors
Fixed clicking from BasicEnvelopeContourer
Converted contour values to Contour.Number
Converted instrument.js to Value.Number
Converted SettingsUI.addLinearRangeRow to Value.Number
Removed unused variables and used local vars instead
Converted oscillatorUI
Converted filterUI; fixed oscillatorUI
Converted contourUI
Fixed lots of typos