* option "dontlognull"
* fixed "double space" bug in config parser
* fixed an uninitialized server field in case of dispatch
with no existing server which could cause a segfault during
logging.
* the pid logged was always the father's, which was wrong for daemons.
* fixed wrong level "LOG_INFO" for message "proxy started".
* http logging is now complete :
- ip:port, date, proxy, server
- req_time, conn_time, hdr_time, tot_time
- status, size, request
* source address binding
* regex are now chained and not limited anymore.
* unavailable server now returns HTTP/502.
* increased per-line args limit to 40
* added reqallow/reqdeny to block some request on matches
* added HTTP 400/403 responses
* added a 'NOTES' file