marvin_refactor: decode the response as first class python object

createAccountResponse is now an instance of createAccountResponse and
not just a plain dict.

TODO:
1. nested entities don't work yet.

Signed-off-by: Prasanna Santhanam <tsp@apache.org>

tools/marvin/marvin/cloudstackConnection.py

@@ -22,9 +22,9 @@ import hmac
 import hashlib
 import logging
 import time
-import marvin.cloudstackException
+from marvin import cloudstackException
 from marvin.cloudstackAPI import *
-import marvin.jsonHelper
+from marvin import jsonHelper
 from requests import ConnectionError
 from requests import HTTPError
 from requests import Timeout

tools/marvin/marvin/jsonHelper.py

@@ -123,7 +123,8 @@ def finalizeResultObj(result, responseName, responsecls):
                 mirrorObj = False
                 break
         if mirrorObj:
-            return value
+            responsecls.__dict__.update(value.__dict__)
+            return responsecls
         else:
             return result
     else: