Version 0.1 :
- Initial test piece of source code.

Version 0.2 :
- Windows support. Seems to work under NT4/Cygnus GNU Win32 tools.
- service_nblimit support.

Version 0.3 :
- New keywords : SPAMFILTER, ALLOW_IP, ALLOW_IP_EXCEPT, DENY_IP 
and DENY_IP_EXCEPT.
- Misc. fixes, new configuration options.
- Fixed a little bug with unregistered services (in /etc/services) without any
explicit number.
- Environment variables as defined by tcp-env/ucspi for Qmail :
PROTO, LOCALIP, LOCALHOST, LOCALPORT, REMOTEIP, REMOTEHOST, REMOTEPORT

Version 0.3.1 :
- New files : doc/TODO and doc/MISC.
- Added SESSION_CPULIMIT, SESSION_FILELIMIT, SESSION_DATALIMIT,
SESSION_STACKLIMIT and SESSION_FDLIMIT.
- New tool : contribs/i2j.pl

Version 0.3.2 :
- Misc. fixes.

Version 0.3.3 :
- New compilation-time options. Type ./configure --help to see them.
- The Spam filter was not working properly due to a type - Fixed.

Version 0.3.4 :
- The default behavior is now to be release the network connections as
soon as possible, just to avoid several kind of attacks.
  Can be overriden it with --enable-soft-hangup .
- Unix portability fixes.
- QNX support.
- Added SESSION_TIMELIMIT.

Version 0.3.5 :
- Fixed a bug with rlimits.

Version 0.3.6 :
- More reliable DNS lookups.
- All spawned processes can't see opened FDs anymore.
- Sizes can now be suffixed with K, M or G (ex: 10M = 10 Megabytes) .
