Support order default

Author: wilcorrea

src/DataMapper.php

@@ -18,11 +18,6 @@
  */
 abstract class DataMapper extends ModelAbstract
 {
-    /**
-     * @var string
-     */
-    protected $order = '';
-
     /**
      * DataMapper constructor
      */

src/ModelAbstract.php

@@ -72,6 +72,12 @@ abstract class ModelAbstract extends ModelContract
      */
     protected $hashKey = '_id';
 
+    /**
+     * Used to determine the order of reads
+     * @var string
+     */
+    protected $order = '';
+
     /**
      * Fields to persist the creation object
      * @var array