clean up some logic, remove duplicate 'arguments' handling
clean up some logic, remove duplicate 'arguments' handling

carlosalberto/echo-js,toshok/echojs,carlosalberto/echo-js,toshok/echojs,toshok/echojs,toshok/echojs,toshok/echojs,carlosalberto/echo-js,toshok/echojs,toshok/echojs,carlosalberto/echo-js,carlosalberto/echo-js,toshok/echojs,carlosalberto/echo-js