Reformat.
Fix target determination code for TOPIC and MODE messages. Drop PRIVMSG/NOTICE filter in front of outgoing message logging.
irc_client: Parse incoming TOPIC messages and update our network model.
Followup: Update irc_client copyright years.
Followup: Reintroduce outgoing nick-MODE dropping.
Followup fixes: Keep get_targets() retvals CI.
Apply nick-MODE message dropping bidirectionally.
Fix crash bug in case of bouncers without associated backlogger. Add debug logging to output message processing.
Drop debug logging back out, since we really did not need it. Fix MODE comparison in logging code.
Don't log auxiliary channel-associated commands when encountered in outgoing messages.
s2c structures: Improve IRCMessage printing, refactor for cleanness.
Autoresponder: Don't force pcs to None on emitted IRCMessages, it channel-context logging.