code: function header(length) {
                  var res = [0x09, 0x09, 0x00, 0x00];
                  res.push((length & 0x000000FF) >> 0);
                  res.push((length & 0x0000FF00) >> 8);
                  res.push((length & 0x00FF0000) >> 16);
                  res.push((length & 0xFF000000) >> 24);
                  return new Buffer(res);
              }
docs: Creates header for clusterpoint messages
  @param  {Integer} length
  @return {Buffer}