Make Str.lines much simpler, a little faster still
Make Str.lines much simpler, a little faster still

/usr/share/dict/words: 2.383 -> 2.082, about 13%

dankogai/rakudo,Leont/rakudo,zhuomingliang/rakudo,tbrowder/rakudo,cygx/rakudo,labster/rakudo,salortiz/rakudo,sergot/rakudo,tony-o/deb-rakudodaily,raydiak/rakudo,MasterDuke17/rakudo,jonathanstowe/rakudo,tbrowder/rakudo,usev6/rakudo,nbrown/rakudo,ugexe/rakudo,laben/rakudo,labster/rakudo,azawawi/rakudo,azawawi/rakudo,paultcochrane/rakudo,nbrown/rakudo,b2gills/rakudo,skids/rakudo,teodozjan/rakudo,retupmoca/rakudo,MasterDuke17/rakudo,niner/rakudo,tbrowder/rakudo,teodozjan/rakudo,niner/rakudo,rakudo/rakudo,sjn/rakudo,usev6/rakudo,salortiz/rakudo,cygx/rakudo,sjn/rakudo,cognominal/rakudo,MasterDuke17/rakudo,Leont/rakudo,lucasbuchala/rakudo,zhuomingliang/rakudo,jonathanstowe/rakudo,rakudo/rakudo,MasterDuke17/rakudo,awwaiid/rakudo,ungrim97/rakudo,teodozjan/rakudo,softmoth/rakudo,niner/rakudo,Leont/rakudo,labster/rakudo,jonathanstowe/rakudo,cognominal/rakudo,labster/rakudo,tony-o/rakudo,salortiz/rakudo,b2gills/rakudo,nbrown/rakudo,zhuomingliang/rakudo,rakudo/rakudo,tony-o/deb-rakudodaily,tony-o/rakudo,nbrown/rakudo,sergot/rakudo,laben/rakudo,cognominal/rakudo,cognominal/rakudo,usev6/rakudo,tony-o/deb-rakudodaily,b2gills/rakudo,laben/rakudo,dankogai/rakudo,ab5tract/rakudo,tony-o/deb-rakudodaily,tbrowder/rakudo,zostay/rakudo,zostay/rakudo,skids/rakudo,skids/rakudo,ungrim97/rakudo,azawawi/rakudo,LLFourn/rakudo,tony-o/rakudo,dankogai/rakudo,Gnouc/rakudo,ugexe/rakudo,sjn/rakudo,retupmoca/rakudo,b2gills/rakudo,Gnouc/rakudo,salortiz/rakudo,samcv/rakudo,tony-o/deb-rakudodaily,jonathanstowe/rakudo,awwaiid/rakudo,LLFourn/rakudo,niner/rakudo,softmoth/rakudo,jonathanstowe/rakudo,softmoth/rakudo,lucasbuchala/rakudo,tony-o/deb-rakudodaily,lucasbuchala/rakudo,MasterDuke17/rakudo,ab5tract/rakudo,azawawi/rakudo,rakudo/rakudo,teodozjan/rakudo,awwaiid/rakudo,b2gills/rakudo,paultcochrane/rakudo,zhuomingliang/rakudo,LLFourn/rakudo,salortiz/rakudo,zostay/rakudo,azawawi/rakudo,LLFourn/rakudo,sjn/rakudo,LLFourn/rakudo,tony-o/rakudo,laben/rakudo,raydiak/rakudo,tbrowder/rakudo,skids/rakudo,ungrim97/rakudo,tony-o/rakudo,Gnouc/rakudo,nbrown/rakudo,ugexe/rakudo,MasterDuke17/rakudo,softmoth/rakudo,dankogai/rakudo,awwaiid/rakudo,cognominal/rakudo,labster/rakudo,Gnouc/rakudo,raydiak/rakudo,samcv/rakudo,raydiak/rakudo,salortiz/rakudo,samcv/rakudo,ugexe/rakudo,usev6/rakudo,nunorc/rakudo,sergot/rakudo,Gnouc/rakudo,ungrim97/rakudo,Leont/rakudo,cygx/rakudo,cygx/rakudo,nunorc/rakudo,samcv/rakudo,ugexe/rakudo,usev6/rakudo,tbrowder/rakudo,nunorc/rakudo,softmoth/rakudo,retupmoca/rakudo,dankogai/rakudo,lucasbuchala/rakudo,paultcochrane/rakudo,labster/rakudo,samcv/rakudo,rakudo/rakudo,tony-o/rakudo,ab5tract/rakudo,skids/rakudo,zostay/rakudo,nbrown/rakudo,rakudo/rakudo,ungrim97/rakudo,paultcochrane/rakudo,cygx/rakudo,paultcochrane/rakudo,ab5tract/rakudo,retupmoca/rakudo,nunorc/rakudo,awwaiid/rakudo,lucasbuchala/rakudo,ab5tract/rakudo,sjn/rakudo,sergot/rakudo,Gnouc/rakudo,tony-o/deb-rakudodaily