--- a/Model/CategoryInterface.php	Thu Mar 01 18:44:24 2012 +0100
+++ b/Model/CategoryInterface.php	Fri Mar 02 16:50:38 2012 +0100
@@ -20,6 +20,13 @@
     function getId();
     
     /**
+     * Set id
+     *
+     * @param integer $id
+     */
+    function setId($id);
+    
+    /**
      * Set label
      *
      * @param string $label