added an own implementation for hasattr (python 2, python 3 is fine)

evaluate.py

@@ -20,7 +20,7 @@ TODO descriptors (also for classes, for instances it should work)
 TODO @staticmethod @classmethod (implement descriptors, builtins are done)
 TODO variable assignments in classes (see test/completion/classes @230) +1
 """
-from _compatibility import next, property
+from _compatibility import next, property, hasattr
 import sys
 
 import itertools