typed.go
func (t Typed) BoolsOr(key string, d []bool) []bool {
	n, ok := t.BoolsIf(key)
	if ok {
		return n
	}
	return d
}
func (t Typed) BoolsOr(key string, d []bool) []bool {
	n, ok := t.BoolsIf(key)
	if ok {
		return n
	}
	return d
}
// Returns an slice of boolean, or the specified slice