+ It is important to send these requests to router only if they can be
+ expanded to many results (as when doing WHOIS for nickname). If
+ they are explicit (like requesting by ID) the local cache MUST be
+ searched before sending it to router.
+
+ o Announcements are incomplete: channel topics are not announced,
+ user modes (UMODE) are not announced.
+
+ o Change the server to connect to another server from low ports (706)
+ and not from high ports. Currently we cannot do incoming connection
+ checking by remote port because the port is not fixed.
+
+ o Backup router related issues
+
+ o After backup resume protocol the TOPIC_SET was not handled
+ correctly by all (unknown Channel ID).
+
+ o Channel user mode changes are notified unnecessarely when
+ switching to backup router on router crash.
+
+ o If client's public key is saved in the server (and doing public key
+ authentication) then the hostname and the username information could
+ be taken from the public key. Should be a configuration option!
+
+ o Add a timeout to handling incoming JOIN commands. It should be