Finished compiler for MUS Language. The following extensions have been added:
	1) Compiler can handle rests
	2) Compiler can handle repeated sections
	4) Compiler can convert notes to MIDI notation
Future Extensions
	1) Make compiler handle flats and sharps
	2) Make compiler handle key signature and provide appropriate flat/sharp notation
	3) Make compiler split input into different parts if specified
		i.e. Chords, Melody etc