Special thanks to the following people for their useful contributions :

- Aleksandar Lazic and Klaus Wagner : ability to learn application cookies.
- Cameron Simpson : code reviews and many cleanups.
- Dan Zinngrabe : Makefile for MacOS 10.4 / Darwin.
- Sin Yu : preliminary virtual host support and rbtree for the scheduler.
- Marcus Rueckert : support for username/groupname.
- Bryan Germann : option to exempt some sources from x-forwarded-for.
- Fabrice Dulaunoy : health-checks on different addresses