only rescan peers repo every 5min (instead of each)

modules/ffpb.py

@@ -555,7 +555,7 @@ def ffpb_notify_newly_seen_nodes(bot, new):
     bot.msg(action_target, '\x01ACTION %s\x01' % action_msg)
 
 
-@willie.module.interval(60)
+@willie.module.interval(300)
 def ffpb_updatepeers(bot):
     """Refresh list of peers and message the diff."""