0.3
- added some new filter variants
  - all filters are defined now @ /etc/squidwall/filters/*
  - clamd version is only read, when needed
  - added phrase filter
  - improved the content scanning et all
- use of the structure list_head (from linux kernel)
  - memory usage is much better now :)
  - an url list with ca. 35000 url's requires 550KB, the list itself
    is 540K :)

0.2a
- splitted the filters directory into different parts:
  - url filter with regex.7 expression matching
  - url filter with case-insensitive string matching
  - content filter with regex.7 expression matching
  - content filter with case-insensitive string matching

0.2
- added missing die_nomem() calls
- added url/content regex matching for blacklisting
  -> real content scanning
- changed also the naming of some functions
- tested squidwall with 40.000 host entries and 40.000 user entries
  -> bad performance ... version 0.3 will change the bad memory usage!

0.1
- tr/2004-06-25
 - initial idea and concept
- tr/2004-06-26
 - the antivirus scanning works
 - user/ip based control isn't done yet
- tr/2005-07-08
 - added user/host stuff
- tr/2005-07-11
 - added some docs
 - released version 0.1
