TODO for SILC Server 1.0
========================
+ o The log files should be opened with silc_file* routines to make
+ sure they are 0600.
+
+ o assert() happened in silc_server_free_client_data_timeout,
+ server.c:3322.
+
+ o The server number stats is wrong on router when backup is connected.
+
+ o Check for valid ban strings. Check ban string notifying.
+
o stringprep (RFC3454) for UTF-8 strings + all other UTF-8 string things.
o Check that founder key is distributed ok during backup resuming.