- Add global admins table, set disconnect and reload built-in handlers to be
accessible by global admins only
- Only send an unknown code error in private messages to avoid responding to
other bots' codes when there is a prefix collision
- Fix server contexts not being updated after a config reload
- Fix service codes being improperly parsed in privmsgs when different code
prefixes are used
- Fix joining channels on some networks when connecting without
authentication
- Fix disconnecting from one server also causing disconnection from other
servers
mio