message: fix typos and trivialities
diff: @@ -283,7 +283,7 @@ impl HFrameReader {
  let fin;
  let mut input = match conn.stream_recv(stream_id, &mut buf[..]) {
  Ok((0, true)) => {
  - qtrace!([conn] "HFrameReader::receive: stream has been closed.");
  + qtrace!([conn] "HFrameReader::receive: stream has been closed");
  break match self.state {
  HFrameReaderState::BeforeFrame => Ok(true),
  _ => Err(Error::MalformedFrame(0xff)),
  @@ -291,7 +291,7 @@ impl HFrameReader {
  }
  Ok((0, false)) => break Ok(false),
  Ok((amount, f)) => {
  - qtrace!([conn] "HFrameReader::receive: reading {} byte, fin={}.", amount, f);
  + qtrace!([conn] "HFrameReader::receive: reading {} byte, fin={}", amount, f);
  fin = f;
  Decoder::from(&buf[..amount])
  }
  @@ -316,7 +316,7 @@ impl HFrameReader {
  IncrementalDecoderResult::InProgress => {
  self.state = HFrameReaderState::GetType;
  }
  - _ => panic!("We most be in one of the states above."),
  + _ => panic!("We must be in one of the states above"),
  },
  HFrameReaderState::GetLength => {
  @@ -360,7 +360,7 @@ impl HFrameReader {
  };
  }
  IncrementalDecoderResult::InProgress => {}
  - _ => panic!("We most be in one of the states above."),
  + _ => panic!("We must be in one of the states above"),
  }
  }
  HFrameReaderState::GetPushPromiseData => {
  @@ -375,7 +375,7 @@ impl HFrameReader {
  self.state = HFrameReaderState::Done;
  }
  IncrementalDecoderResult::InProgress => {}
  - _ => panic!("We most be in one of the states above."),
  + _ => panic!("We must be in one of the states above"),
  };
  }
  HFrameReaderState::GetData => {
  @@ -386,7 +386,7 @@ impl HFrameReader {
  self.state = HFrameReaderState::Done;
  }
  IncrementalDecoderResult::InProgress => {}
  - _ => panic!("We most be in one of the states above."),
  + _ => panic!("We must be in one of the states above"),
  };
  }
  HFrameReaderState::UnknownFrameDischargeData => {
  @@ -395,7 +395,7 @@ impl HFrameReader {
  self.reset();
  }
  IncrementalDecoderResult::InProgress => {}
  - _ => panic!("We most be in one of the states above."),
  + _ => panic!("We must be in one of the states above"),
  };
  }
  HFrameReaderState::Done => {
  