Log Message:
Changes 1.7.1:

* Fixed bug which caused hostnames containing hyphens to fail with an error.

* Improved mapping of ID numbers to names in decode.  This allows sparse IDs
  ranges (e.g. 1,2,3,65000) to be supported, which means that we can now decode
  XAUTH authentication method amongst other things.

* Added SO_BROADCAST option to UDP socket to allow sending to broadcast
  addresses.  Previously this gave a permission denied error.