Planned changes
. add option to create per-remote download dirs
. split source up in more files to make it easier to find something

Possible changes
. make get work
. make fserve work
. bind to specific IP only
. disallow particular clients
. readline
. remove stalled time from average speed calculation
. don't send data to 'Send' connections -- they quit in this case
. set default channel to talk to instead of prefixing every time
. regression tests

dccsend:
. handle timeouts
