message: remove debug value that is not needed/used
diff: @@ -55,7 +55,6 @@ type Result<T> = result::Result<T, Error>;
  pub struct Connection<W: Sized> {
  stream: W,
  drg: u64,
  - debug: bool,
  }
  impl<W: Sized+Write+Read> Connection<W> {
  @@ -64,13 +63,9 @@ impl<W: Sized+Write+Read> Connection<W> {
  &self.stream
  }
  - pub fn set_debug(&mut self) {
  - self.debug = true
  - }
  -
  pub fn handshake(drg_seed: u64, stream: W) -> Result<Self> {
  trace!("sending initial handshake");
  - let mut conn = Connection { stream: stream, drg: drg_seed, debug: false };
  + let mut conn = Connection { stream: stream, drg: drg_seed };
  let mut buf = vec![];
  protocol::handshake(&mut buf);
  conn.emit("handshake", &buf)?;
  