Document issues with behaviour of classmethod.__get__() in Python.
Document issues with behaviour of classmethod.__get__() in Python.

github4ry/wrapt,pombredanne/wrapt,pombredanne/python-lazy-object-proxy,linglaiyao1314/wrapt,GrahamDumpleton/wrapt,ionelmc/python-lazy-object-proxy,ionelmc/python-lazy-object-proxy,pombredanne/python-lazy-object-proxy,linglaiyao1314/wrapt,akash1808/wrapt,wujuguang/wrapt,github4ry/wrapt,pombredanne/wrapt,GrahamDumpleton/wrapt,wujuguang/wrapt,akash1808/wrapt