Merge pull request #165 from chipaca/builtins

py/builtin.c

py/builtin.h

py/misc.h

py/mpqstrraw.h

py/obj.h

py/objfun.c

py/objlist.c

py/objtuple.c

py/objzip.c

py/py.mk

py/runtime.c

py/vm.c

tests/basics/tests/sorted.py

tests/basics/tests/zip.py