Hawk game oriented network library API

 HawkNL is a free, open source, game oriented network API.
 .
 HawkNL (NL) is a fairly low level API, a wrapper over Berkeley/Unix
 Sockets and Winsock. But NL also provides other features
 including support for:
   * Multiple operating systems.
   * Groups of sockets
   * Socket statistics
   * High accuracy timer
   * CRC functions
   * Macros to read and write data to packets with endian conversion
   * Multiple network transports.