Added function for setting response mode to main class

Author: bboldi

src/DatingVIP/Payment/PayOn/XmlApi.php

@@ -509,6 +509,16 @@ public function setResponse($response)
         $this->response = $response;
     }
 
+    /**
+     * Set response mode (self::SYNC_REQUEST | self::ASYNC_REQUEST)
+     *
+     * @param $responseMode
+     */
+	public function setResponseMode($responseMode)
+    {
+        $this->responseMode = $responseMode;
+    }
+
     /**
      * Returns response in desired format
      *