- There was a strlen() after a free() in snprintf()
- If no server password was specified, garbage could
  be displayed
- Added chanflag "T" to indicate that oer should not
  do topic handling for the channel
- Added chanflag "!" to indicate that the channel is
  inactive and should not be joined
- Added chanflag "U" to indicate that only users on
  bot (with +a or +o) are allowed to use oer