message: make important fields in Transport{Receiver,Sender} public
diff: @@ -59,15 +59,15 @@ pub enum TransportChannelType {
  /// Structure used for sending at the transport layer. Should be created with transport_channel()
  pub struct TransportSender {
  - socket: Arc<pnet_sys::FileDesc>,
  + pub socket: Arc<pnet_sys::FileDesc>,
  _channel_type: TransportChannelType,
  }
  /// Structure used for receiving at the transport layer. Should be created with transport_channel()
  pub struct TransportReceiver {
  - socket: Arc<pnet_sys::FileDesc>,
  - buffer: Vec<u8>,
  - channel_type: TransportChannelType,
  + pub socket: Arc<pnet_sys::FileDesc>,
  + pub buffer: Vec<u8>,
  + pub channel_type: TransportChannelType,
  }
  /// Create a new (TransportSender, TransportReceiver) pair
  