Version 0.4.4 (Jun 1, 2002)
- The majority of the cache lines are read when the proxy first starts;
  we do a last minute check just before forking to load any additional
  lines.

Version 0.4.3 (May 30, 2002)
- Added Positive, Negative, and Other response statistics

Version 0.4.2 (May 29, 2002)
- Added daemon mode
- save pid to /var/run|tmp/razor-caching-proxy.pid
- added --foreground option to bypass daemonization.

Version 0.4.1 (May 29, 2002)
- Stats cleanup and recheck
- razor-cache file made available

Version 0.4.0 (May 29, 2002)
- Reduced Negative max age to 20 minutes per Vipul's suggestion.
- Added offline (no parent to contact) mode.

Version 0.3.0 (May 28, 2002)
- moved timestamp to first field in cache file for easy sorting by age.
- reduced number of time() calls.
- timestamp and max_pos|neg_age support complete.

Version 0.2.9-devel (May 28, 2002)
- timestamp support in process (timestamp as 3 field in each cache line).
- --ignore_negative removed, --max_neg|pos_age added.

Version 0.2.3 (May 27, 2002)
- Log file option actually works now.  :-)

Version 0.2.2 (May 27, 2002)
- Make statistics per-child now.

Version 0.2.1 (May 27, 2002)
- log_file option
- defer connecting to the real server until we need to.  With proxy and
  razor-check on the same machine and a fully primed cache, this gives
  about 100 signatures/second.  :-)

Version 0.2.0 (May 27, 2002)
- first forking version
- saveline function
- echo server work
- First public announcement in razor-users

Version 0.1.1 (May 27, 2002)
- batch requests in the same way the client does.  Process all server responses once we get a '.'
- handle action:resport, cache simulated query too.

Version 0.1.0 (May 27, 2002)
- process command line options
- usage message
- ignore_negative option
- Handle conflicting verdicts, prefer Positive
- attack CRLF vs LF issues
- individual queries per server connection

Version 0.0.1 (May 26, 2002)
- First functional program
- cache file, non-forking