specs. Connection would be created with nick strings (which are of
format nick@server).
+ o NAT detection protocool during SKE so that party behind NAT can
+ detect if it is behind NAT and receive the public IP address and port
+ that it may need (servers need it to create valid Server ID). (***DONE)
+
o Counter block send/receive IV 64 bits instead of 32 bits, and the
value itself is used as 64-bit MSB ordered counter, which must
be reset before the packet sequence counter wraps. It's basically