1.0.2 PSystem_AjaxQuickCart_Block singleton PSystem_AjaxQuickCart_Model_Observer postDispatchAddToCart singleton PSystem_AjaxQuickCart_Model_Observer preDispatchCatalogProductView singleton PSystem_AjaxQuickCart_Model_Observer postDispatchDeleteCartItem ps_ajaxquickcart.xml standard PSystem_AjaxQuickCart ajaxquickcart