kace.go
func (k *Kace) SnakeUpper(s string) string {
	return delimitedCase(s, snakeDelim, true)
}
func (k *Kace) SnakeUpper(s string) string {
	return delimitedCase(s, snakeDelim, true)
}
// SnakeUpper returns a SNAKE_CASED string with all upper case letters.