Make Response.__len__ more generic so it can handle list responses (fixes #12)

Author: Burak Yigit Kaya

phabricator/__init__.py

@@ -208,7 +208,7 @@ def __iter__(self):
         return iter(self.response)
 
     def __len__(self):
-        return len(self.response.keys())
+        return len(self.response)
 
     def __repr__(self):
         return '<%s: %s>' % (type(self).__name__, repr(self.response))