don't universally return true from op_delete.  also pass false for throw. this seems to contradict spec, but mozilla tests require it.
don't universally return true from op_delete.  also pass false for throw. this seems to contradict spec, but mozilla tests require it.

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