Simplify some Map.STORE internals
Simplify some Map.STORE internals

- move the creation of the lowlevel hash into the private helper methods
- remove the ? from :$DECONT, named parameters are optional by default

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