Improved presentation of RSVP code including label information.
Made minor adjustments to invocation processing when generating code.
Added code generation to the test program.
1l=[(0,10),(10,20)] 2y=23 3fora,binl: 4foriina,b: 5x=i 6else:# NOTE: Need to support StopIteration! 7x=y 8else: 9a=b