Update IO.s to return file size.
Update IO.s to return file size.

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