Abstract list working in general, tested with single example

src/admin/common/abstract/model.php

@@ -327,12 +327,15 @@ abstract class AbstractCommonClubsModel
         $vals = $this->filterPackData($vals);
         
         $json = json_encode($vals);
-        return urldecode($json);
+        return urlencode($json);
     }
     
-    public function unpack($str)
+    public function unpack($str, $decode = false)
     {
-        $json = urlencode($str);
+        if($decode)
+            $json = urldecode($str);
+        else 
+            $json = $str;
         $data = json_decode($json, true);
         
         $vals = $this->unpackExternalReferencesFromKeys($data);