Run ruby18 through test suite with ripper
Run ruby18 through test suite with ripper

thomthom/yard,amclain/yard,thomthom/yard,herosky/yard,jreinert/yard,travis-repos/yard,ohai/yard,ohai/yard,iankronquist/yard,iankronquist/yard,alexdowad/yard,amclain/yard,herosky/yard,amclain/yard,jreinert/yard,herosky/yard,jreinert/yard,alexdowad/yard,lsegal/yard,iankronquist/yard,travis-repos/yard,lsegal/yard,ohai/yard,thomthom/yard,lsegal/yard,alexdowad/yard