Made user controller working mostly. Not everything is tested but seems good

src/admin/common/abstract/model/factory.php

@@ -141,10 +141,16 @@ abstract class AbstractCommonClubsModelFactory
      * @param int $id
      * @return AbstractCommonClubsModel
      */
-    public function loadById($id) {
+    public function loadById($id, $throwErr = true)
+    {
         $arr = $this->loadElements("main.id = " . ((int)$id) );
         if(sizeof($arr) == 0)
-            throw new ElementNotFoundException();
+        {
+            if($throwErr)
+                throw new ElementNotFoundException();
+            else
+                return null;
+        }
         
         return $arr[0];
     }