Remove TS5 support
Remote user handlers, remove dummy handler
Remove cptr pointers from everywhere
Rewrite m_nick, mostly the collision logic
Add a remote user/server handler to m_kick
Simplyify check_server logic, do not use magic constants everywhere
Use sendto_server in relay_kill
exit_client
Add local member list to channels, and use it several places
Add sendto_one_numeric and use it most places
Zero memory in mp_pool_get
New hash stuff
Prefix notices with : in sendto_one_notice