pmichaud++'s patch which adds Mu.concatenate and Mu.concatenate_str.
pmichaud++'s patch which adds Mu.concatenate and Mu.concatenate_str.

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