Make min side of Range leading in deciding char incremento
Make min side of Range leading in deciding char incremento

Fixes R#2517

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