better memory management on destroy

README.md

@@ -12,6 +12,9 @@ However, in many cases it is sufficient to run a standard http request every few
 Backbone poller helps with these cases:
 
 - Allows you to poll without extending your base backbone models or collections
+- Guarantees one poller per model/collection instance
+- Aborts running connections on stop/destroy
+- Prevents from running conflicting requests
 - Is 100% compliant with any Backbone model or collection.
 
 The [annotated source code](<http://uzikilon.github.com/backbone-poller/>) is available online.

backbone.poller.js

@@ -158,9 +158,7 @@ Backbone Poller may be freely distributed under the MIT license.
       this.stop();
       this.stopListening();
       this.off();
-      pollers = _.filter(pollers, function (poller) {
-        return poller !== this;
-      }, this);
+      pollers.splice(_.indexOf(pollers, this), 1);
     }
   });