public function list_display(){return array('username', 'email', 'is_active', 'is_staff', 'is_superuser', 'created_at');}
public function fields(){return array('username','password','email', 'first_name', 'last_name', 'is_active', 'is_staff', 'is_superuser');}
+ function _searchFields(){return array('username', 'email');}
+
protected function _setupForm($form){
$form->fields['username']->help_text = 'Required. 32 characters or less. Alphanumeric characters only (letters, digits and underscores).';
$form->fields['password']->help_text = "Use '[algo]$[salt]$[hexdigest]' or use the <a href=\"password/\">change password form</a>.";