TODO/bugs In SILC Client Library
================================
+ o Having @ in nickname will crash the client after changing the nickname
+ back without the @.
+
o The PRIVATE_MESSAGE_KEY packet is not handled (it is implemented
though). This should be added and perhaps new client operation
should be added to notify application that it was received and
TODO/bugs In SILC Server
========================
+ o removing other's modes on channel seems to be possible due to some
+ cumode bug.
+
o Topic notifications seem to go double times occasionally to a channel.
o Backup router related issues