Py3-ism
fix "pointers" test which tests for boolean operations on incompatible pointer types

--HG--
extra : transplant_source : %97s8%E8ep%83%1E%3BGo%1C%C8%11%A67%81Y%0B%DD
copy over standard node attributes when copying a BoolBinopNode

--HG--
extra : transplant_source : %94%F6%D1%0B%19%00%C5%87%83%0Dl%A4U%8Db%19r%E7%5C%DD
consider void* the independent spanning type of any two incompatible pointer types
Get rid of compiler warning when compiling Cython.
Fix test warning.
Fix infinite recurison when using super with cpdef methods.

This should also be a (small) performance improvement.
Handle @cname laziness.
Fix type issues with super().
Tests for py2 style super().