Add extensive testing of "s" format in sprintf
Add extensive testing of "s" format in sprintf

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