/**
  * When prestashop generate url for some links in Catalog page (Admin panel),
  * it use string constant AdminCatalog instead of $currentIndex, as I have guess early.
  * This function map $tab from AdminCatalog to AdminCatalogExFeatures
  * 
  * @param array The same array, which passed to all hooks in prestashop
  * @return string Empty string, because output of this function insert into output html of header.  
  */
 public function hookbackOfficeHeader($params)
 {
     global $tab;
     $tab = Tab::exfeaturesMap($tab);
     AdminTab::$tabParenting["AdminProducts"] = 'AdminCatalogExFeatures';
     AdminTab::$tabParenting["AdminCategories"] = 'AdminCatalogExFeatures';
     AdminTab::$tabParenting["AdminFeaturesValues"] = 'AdminExFeatures';
     return '';
 }
 * @category modules
 * @package 'exfeatures'
 */
class Tools extends ToolsCore
{
    /**