add hasElement which is more straightforward than getElement(..., false);
add hasElement which is more straightforward than getElement(..., false);

svisystem/atk4,samratcis/atk4,atk4/atk4,samratcis/atk4,svisystem/atk4,atk4/atk4,samratcis/atk4,xepan/atk4,svisystem/atk4,atk4/atk4,xepan/atk4,atk4/atk4,xepan/atk4