Upgrade to rc5

kirby/src/Cms/LayoutColumns.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace Kirby\Cms;
+
+/**
+ * A collection of layout columns
+ *
+ * @package   Kirby Cms
+ * @author    Bastian Allgeier <bastian@getkirby.com>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier GmbH
+ * @license   https://getkirby.com/license
+ */
+class LayoutColumns extends Items
+{
+    const ITEM_CLASS = '\Kirby\Cms\LayoutColumn';
+}