code: func (a *Adaptor) Reconnect() (err error) {
  	if a.connected {
  		a.Disconnect()
  	}
  	return a.Connect()
  }
docs: // Reconnect attempts to reconnect to the Sphero. If the Sphero has an active connection
  // it will first close that connection and then establish a new connection.
  // Returns true on Successful reconnection