( - todo, x - done)

- fix parse_cseq!!! (it doesnt parse 1234\n INVITE a.s.o)
x fix 0 parameter module f. call
x better Via parsing (handle ' ' in uri, eg: foo.bar : 1234 ; received=) and
 ipv6 addresses ([fec0:aa::01]).
- fix format string vulnerability in log()
- fix alignement access problems (warning on Sun)
x (different way) add request header bitmap field for the modules

High priority:
x if () {} else {}
x plugin interface
- ipv6 support
- reply ("response line")
- drop ACKs for our replies
- icmp error handling
- add To-tag (for the replies)
- add User-Agent (for the replies)

Low priority:
- exec improvments (add format strings to it)
- command line switch for checking the config file syntax
- config file version (a la sendmail)
- loop detection
- cfg. file reload
- flags for using names or ip adresses in Via ?

- use a  standard lex compatible .lex format (instead of flex)
- try & use native compiler & ld if possible

- make install
- init.d scripts (and rc.local? for *BSD or Slackware)
- man page
- autoconf scripts
- Debian package build files
- the same for rpm
- the same for FreeBSD and Slackware

- jku: branch hash computation over canonical values
- jku: loop checking
- jku: try CRC as opposed to MD5