Add __iter__ back to CursorWrapper

Author: TimPansino

newrelic/hooks/database_dbapi2.py

@@ -89,6 +89,9 @@ def callproc(self, procname, parameters=DEFAULT):
             else:
                 return self.__wrapped__.callproc(procname)
 
+    def __iter__(self):
+        return iter(self.__wrapped__)
+
 
 class ConnectionWrapper(ObjectProxy):
     __cursor_wrapper__ = CursorWrapper