Add a mechanism to register :from loaders.
Add a mechanism to register :from loaders.

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