make controlled_by configuration work properly

- secnode.py: initialize all modules before creating description
- fixes in ctrlby.py

frappy/ctrlby.py

@@ -58,6 +58,7 @@ class WrapControlledBy:
         prev_enum = self.parameters['controlled_by'].datatype.export_datatype()['members']
         # add enum member, using autoincrement feature of Enum
         self.parameters['controlled_by'].datatype = EnumType(Enum(prev_enum, **{name: None}))
+        self.log.info('enumtype %r', self.parameters['controlled_by'].datatype)
 
     def write_controlled_by(self, modulename):
         result = modulename