REST_Controller now loads helper hlp_session

application/core/REST_Controller.php

@@ -363,6 +363,9 @@ abstract class REST_Controller extends CI_Controller {
 		// Loads helper message to manage returning messages
 		$this->load->helper('hlp_return_object');
 
+		// Loads helper session to manage the php session
+		$this->load->helper('hlp_session');
+
 		// Loads helper with generic utility function
 		$this->load->helper('hlp_common');
     }