Issue #12965: Clean up C-API docs for PyLong_AsLongLong(AndOverflow); clarify that __int__ will be called for non-PyLongs
Issue #12965: Clean up C-API docs for PyLong_AsLongLong(AndOverflow); clarify that __int__ will be called for non-PyLongs

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator