code: public static String formatBytes (byte[] data, int start, int count) {
      return formatBytes(data, start, count, true);
    }
docs: Produce a formatted view of a byte array.  Duplicate output lines are
  suppressed to save space.
  Formatting of the byte array starts at the specified position and continues
  for the specified number of bytes or the end of the data.
  <p>
  @param data the byte array to be formatted
  @param start position to start formatting the byte array
  @param count of bytes from start position that should be formatted
  @return the formatted byte array