AngularFire - query with startAt/endAt doesn't work
<p><strong>Version info</strong></p>

<p>Angular : 1.5.8<br>
  Firebase : 3.2.1<br>
  AngularFire : 2.0.1</p>

<p><strong>Test Case</strong> </p>

<pre><code>var path = {};
    path.users ='/users'

var reference = {};
    reference.users = firebase.database().ref(path.users).startAt(0).endAt(10)

$scope.items ={}
$scope.items.users = $firebaseArray(reference.users);

$scope.items.users.$loaded().then(function(object){
    console.log(object);
});
</code></pre>

<p><strong>Expected behavior</strong></p>

<p>Creates a Query with the specified starting point.</p>

<p><strong>Actual behavior</strong></p>

<p><img src="https://i.stack.imgur.com/3iuSq.png" alt="enter image description here"></p>