Ember Data typeKey Bug

HTML

<script src="//cdnjs.cloudflare.com/ajax/libs/handlebars.js/1.0.0/handlebars.min.js"></script>
<script src="http://builds.emberjs.com.s3.amazonaws.com/stable/ember.js"></script>
<script src="http://builds.emberjs.com.s3.amazonaws.com/ember-data-latest.js"></script>
<script type="text/x-handlebars" data-template-name="categories">
    {{#each model}}
    <div>{{categoryname}}</div>
    {{/each}}
</script>

JavaScript

var Config = {
    Query: {
        appid: "abc123def456",
        lat: 39.75,
        long: -105
    },
    namespace: "api/v1",
    url: "http://apidigest.placewise.com/"
}

var App = Ember.Application.create({
    LOG_ACTIVE_GENERATION: true
});

App.Router.map(function() {
    this.resource('category', { path: '/' });
});

App.CategoryAdapter = DS.RESTAdapter.extend({
    url: Config.url,
    namespace: Config.namespace,
    plurals: {
        category: 'categories'
    }
});

App.CategoryModel = DS.Model.extend({
    categoryaffinity: DS.attr('boolean'),
    categoryid: DS.attr('number'),
    categoryname: DS.attr('string')
});

App.CategoryRoute = Ember.Route.extend({
    model: function() {
        return this.store.find(Config.Query);
    }
});