Streamline Supply.new a bit
Streamline Supply.new a bit

- no more SET-SELF, use nqp::p6bindattrinvres instead
- no more =:=, use nqp::eqaddr instead

MasterDuke17/rakudo,tbrowder/rakudo,salortiz/rakudo,salortiz/rakudo,labster/rakudo,nbrown/rakudo,softmoth/rakudo,Gnouc/rakudo,tbrowder/rakudo,tony-o/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,rakudo/rakudo,rakudo/rakudo,labster/rakudo,salortiz/rakudo,tony-o/rakudo,salortiz/rakudo,Gnouc/rakudo,Gnouc/rakudo,rakudo/rakudo,tony-o/rakudo,tony-o/rakudo,softmoth/rakudo,Gnouc/rakudo,MasterDuke17/rakudo,Gnouc/rakudo,tony-o/rakudo,MasterDuke17/rakudo,lucasbuchala/rakudo,salortiz/rakudo,softmoth/rakudo,lucasbuchala/rakudo,tbrowder/rakudo,rakudo/rakudo,nbrown/rakudo,nbrown/rakudo,tbrowder/rakudo,nbrown/rakudo,salortiz/rakudo,MasterDuke17/rakudo,nbrown/rakudo,rakudo/rakudo,softmoth/rakudo,MasterDuke17/rakudo,nbrown/rakudo,labster/rakudo,lucasbuchala/rakudo,labster/rakudo,labster/rakudo,rakudo/rakudo,tbrowder/rakudo,softmoth/rakudo,lucasbuchala/rakudo,tony-o/rakudo,labster/rakudo,lucasbuchala/rakudo,Gnouc/rakudo