Changes

* <code>create [public] beacon [beacon name] [@username @username @username...]</code> will create a beacon by that name. Names can only be alphanumeric, underscore, a few other little characters. Spaces will be removed. If you make it "public", it will be listed when anyone asks to show beacons. If you include usernames at the end, it will allow all of those users to publish to the beacon in addition to you.* <code>delete beacon [beacon name]</code> will delete the beacon. * <code>show beacons</code> will list all public beacons, or all public beacons and your beacons, if you ask in a PM. * <code>sub [beacon name]</code> will subscribe you to a beacon. * <code>unsub [beacon name]</code> will unsubscribe you from a beacon. * <code>unsub all</code> will unsubscribe you from all beacons. * <code>pub [beacon name] "[message]"</code> will publish a message to the beacon. @remindme will send a PM to all users subscribed to that beacon, not including yourself.