Add bulkupdate method to the client

Author: mrxinu

orionsdk/swisclient.py

@@ -39,6 +39,9 @@ def read(self, uri):
     def update(self, uri, **properties):
         self._req("POST", uri, properties)
 
+    def bulkupdate(self, uri, body):
+        self._req("POST", "BulkUpdate", body)
+
     def delete(self, uri):
         self._req("DELETE", uri)