v1.13 Jan 18 2000
- Changes by Dug Song:
  - GNU autoconf support
  - code cleanup and new libnids(3) manpage
  - disable portscan detection if scan_num_hosts == 0
  - new field in nids_params for pcap(3) support: pcap_filter
  - subtle bugfix in ip_check_ext()
  - Solaris support (endianness fixes, etc.)
- another tiny check in tcp.c 

v1.12 Sep 15 1999
- processing of ICMP Destination Unreachable 
- nids_next() and nids_getfd() functions added; new fields in nids_params:
  no_mem, ip_filter
- clean error reporting via nids_errbuf; used by nids_init(), nids_next(), 
  nids_getfd()
- some more samples

v1.11 Aug 20 1999
- some stupid bugs removed (hopefully no more segfaults)

v1.1 Aug 10 1999
- *BSD support added by Dug Song
- some minor cleanups in libnids.c
- changed the license to GPL

v1.0 July 30 1999 
- Initial public release
