Make <a b c>.invert no longer infiniloop
Make <a b c>.invert no longer infiniloop

It feels like someone just forgot to implement List.revert().  This should
fix all infiniloops related to .invert

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