Add support for the final PC client.
Update legits list and copyright.
Correct behavior of lua item fetch function.
Clarify the "already online" message.
Prevent a whole range of annoyance that script kiddies might cause.
Set recive/send buffer sizes on all versions, because it probably won't hurt anyway.
Don't check filename validity on local paths for scripts.
Convert logging in smutdata.c to use new logger.