http/cachecontrol/cachecontrol.go
func CacheControl(maxage uint, delegate http.Handler) http.Handler {
	return &cacheDecorator{delegate, maxage}
}
func CacheControl(maxage uint, delegate http.Handler) http.Handler {
	return &cacheDecorator{delegate, maxage}
}
// CacheControl decorates a handler and adds Cache-Control headers