V1.2.5 (2002-03-07) :
  - add a daemon mode
  - easy way to choose the color of add replacement
  - add more control on http methods allowed (or not)

V1.2.4 (2002-02-08) :
  - can use authentication with next proxy
  - can add anything in headers (cf addreqheader and addansheader)
  - more tolerant to network connection/deconnection
  - the dns cache is now a hashtable

V1.2.3 (2001-11-14) :
  - the parser now use lex and yacc
     => the syntax is more flexible
	- after a filter => no replacement needed if default
	- no end needed after noProxy list
	- keyword are case insensitive
	- can usr "" to define a string with any char in it (accept \n, \", \\)
        - forbiddenHeaders split in forbiddenReqHeaders and
            forbiddenAnsHeaders
  - add a build system for creating binary tar.gz (build_tgz.sh)
  - add an install target to the Makefile
  - documentation update

V1.2.2 (2001-10-26) :
  - can associate different replacements to different filters
     => THIS CHANGES THE CONFIGURATION FILE SYNTAX
  - correct a bug in headers filtering
  - possibility to change user-agent to a specified value (cf www.msn.com)
  - documentation update

V1.2.1 (2001-10-01) :
  - compatibility with HTTP/1.1

V1.2.0 (2001-07-18) :
  - introduction of a notion of profile : an authentication with login and
      password gives more or less privileges
  - possibility to use swiftsurf as a https proxy
  - better error feed back (avoid bad interactions with mozilla)

V1.1.2 (2001-06-27) :
  - can specify the max number of connection
  - improve filters (including filtering opera adds)
  - improve stats (possibility to log the ip of incoming host)

V1.1.1 (2001-04-26) :
  - add default locations for the configuration file (./swiftsurf.conf, ~/swiftsurf.conf, /etc/swiftsurf.conf)
  - stats improvements (can display time and write to file : log_file option in the configuration file)
  - simplify the dns result dispatch
  - tuning of the garbage collector

V1.1.0 (2001-04-11) :
  - less copies of datas thanks to Activebuffer
  - possiblity to write all the forbidden urls in a separate file
  - Include all the non-blocking part of the dns in the main process
  - Correct a bug causing EBADF in select

V1.0.9 (2001-03-19) :
  - correct a bug that causes a connection to use all the memory when the
     server is faster than the client
     (for instance when getting a big file on a fast LAN)
  - much less copy of data

V1.0.2 :
  - it is now possible to configure the addresses from which it is allowed
      to connect
  - timeout for inactive connections
  - dns management bug fix

V1.0.1 :
  - dns calls are totally asynchronous
     -> do never block
     -> many calls at a time

V1.0.0 : Initial public release