fix $a.=uniq
fix $a.=uniq

The referent of $a is getting clobbered before uniq can get any values
from it.  Wrapping the list in gather/take gives us enough indirection
that we can return a new $a without clobbering the old value.

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