default required capabilities for topic changes (if topic is +t and user is not an op or halfop), are chan,op and chan,halfop
thanks jemfinch for the suggestions.
Signed-off-by: James Vega <jamessan@users.sourceforge.net>
by default, now only allows chanops, and users with admin or channel,op capability to change topics
Signed-off-by: James Vega <jamessan@users.sourceforge.net>