Fix multi-dispatches involving slurpy args.
Fix multi-dispatches involving slurpy args.

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