further restrict the places we can do the RemoveIIFE pass to just the ones that don't return a value
further restrict the places we can do the RemoveIIFE pass to just the ones that don't return a value

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