used for capability negotiation.

this is currently a noop, as a server should only accept ERROR commands from other servers.

either one chan with many nicks, or 1 chan per nick.

list capabilities that server supports TODO (only for CAP302 clients): when server capabilties take up too much message space, split up into multiple responses like CAP * LS * : CAP * LS :.

TODO: support commands like this that intersperse the modechar and modem.Params MODE &oulu +b *!*@*.edu +e *!*@*.bu.edu.

NewConfig reads the file at path into a Config.

REGISTER is nonstandard for now, username is assumed to be the same as the current client's nick REGISTER PASS <pass> REGISTER CERT REGISTER <channel>.

we only support the <mask> *( "," <mask> ) parameter, target seems pointless with only one server in the tree.