Merge pull request #5 from atomx/categories

CategoryList added

Author: mrm

Atomx/Resources/CategoryList.php

@@ -0,0 +1,7 @@
+<?php namespace Atomx\Resources;
+
+use Atomx\AtomxClient;
+
+class CategoryList extends AtomxClient {
+    protected $endpoint = 'categories';
+}