logfile [<modes> <channel> <filename>]
    Description: creates a new logfile, which will log the modes given for
      the channel listed. If no logfile is specified, a list of existing
      logfiles will be returned. "*" indicates all channels. You can also
      change the modes and channel of an existing logfile with this command.
      Entering a blank mode and channel ("") makes the bot stop logging there.

      Logfile flags:
        b - information about bot linking and userfile sharing
        c - commands
        d - misc debug information
        h - raw share traffic
        j - joins, parts, quits, and netsplits on the channel
        k - kicks, bans, and mode changes on the channel
        m - private msgs, notices and ctcps to the bot
        o - misc info, errors, etc (IMPORTANT STUFF)
        p - public text on the channel
        r - raw incoming server traffic
        s - server connects, disconnects, and notices
        t - raw botnet traffic
        v - raw outgoing server traffic
        w - wallops (make sure the bot sets +w in init-server)
        x - file transfers and file-area commands
    Returns: filename of logfile created, or, if no logfile is specified, a
      list of logfiles such as: {mco * eggdrop.log} {jp #lame lame.log}
    Module: core