func New(domain string, keys Keys) *S3 {
	if domain == "" {
		domain = DefaultDomain
	}
	return &S3{domain, keys}
}
func New(domain string, keys Keys) *S3 {
	if domain == "" {
		domain = DefaultDomain
	}
	return &S3{domain, keys}
}
func New ( domain string , keys Keys ) * S3 { if domain == " " { domain = DefaultDomain } return & S3 { domain , keys } }
// New Returns a new S3
// domain defaults to DefaultDomain if empty
New Returns a new S3 domain defaults to DefaultDomain if empty