<?php defined('SYSPATH') OR die('No direct script access.');

class Model_User_Token extends Model_Auth_User_Token {}
<?php defined('SYSPATH') OR die('No direct script access.');

class Model_Token extends Model_Auth_Token
Revert "added convert_empty option to belongsto association"
Revert "added convert_empty option to belongsto association"

This reverts commit aab589602870e7d33d02e9e4a3e0be4dfd8be316.
