troopjs/troopjs-core — pull request #125 by mikaelkaron (2013-11-08 02:45:30+00:00)
Title: Add method on emittable to get latest emitted value

rather than to:

```javascript
var me = this; // component instance
var cb = function(value) {
//...
me.unsubscribe("topic", cb);
}
me.subscribe("topic", cb);
me.republish("topic", false, cb);
```