kace.go
func (k *Kace) KebabUpper(s string) string {
	return delimitedCase(s, kebabDelim, true)
}
func (k *Kace) KebabUpper(s string) string {
	return delimitedCase(s, kebabDelim, true)
}
// KebabUpper returns a KEBAB-CASED string with all upper case letters.