Adding more examples

README.md

@@ -149,4 +149,21 @@ var Users = Backbone.Collection.extend(
     update: function() { ... },
     remove: function() { ... }
 });
-```
+```
+
+### Determining if an EventBroker has been created
+To test if an EventBroker has been created for a given namespace, simply invoke the 'has' method:
+
+``` javascript
+// determines if an event broker for the given namespace exists
+Backbone.EventBroker.has( 'something' );
+```
+
+
+### Destroying an EventBroker
+To test if an EventBroker has been created for a given namespace, simply invoke the 'has' method:
+
+``` javascript
+// deletes the event broker for the given namespace
+Backbone.EventBroker.destroy( 'something' );
+```