Added a modified version of pyparser (from PyPy) that provides parser module
functionality without relying on CPython.
Added licensing information for the pyparser and compiler packages.
1a=4 2 3deff(x): 4ifnotx: 5defg(y): 6returnx,y,a 7returng# UnboundLocalError: not defined if x is true 8 9result=f(1)(2) 10assertresult==(1,2,4)