code: func (m *Macaron) Handlers(handlers ...Handler) {
  	m.handlers = make([]Handler, 0)
  	for _, handler := range handlers {
  		m.Use(handler)
  	}
  }
docs: // Handlers sets the entire middleware stack with the given Handlers.
  // This will clear any current middleware handlers,
  // and panics if any of the handlers is not a callable function