TODO

* Error management - Logging
* Fixed/Reserved IPs
* What happens if IP pools if fully used?
* Load configuration on server object (using hasattr(config,'attr_name')) to allow more flexible configuration (eg mandatory/optional fields, default values,...)
		--> only server should access config file because it allows for other means of configuration (through command line for instance)
		--> configuration scripts should not be in the same file
* Daemon mode
...
n - Be entirely compliant with RFC2131 (in particular with "SHOULD")
n+1 - Web Interface
n+2 - SQL database instead of RAM usage?