implemented inherit function
Implemented falueOf in Note object
changed inheritance function from call to apply
Chord now inherits NoteCollection.prototype
more todos
all objects now implement prototype inheritance
added javadocs
toFormula now handles varagrs: string and Note, arrays of: strind and Note, and NoteCollection types
Note.toFormula now works correctly when using custom pool
toFormula now works correctly in NoteCollection type cases
new tests for process.toFormula