uuid_node doesn't use entity_uuid_load/save to load/save node

it uses node_load/save directly, this means other uuid integration module couldn't modify the uuid references inside the node, for example file uuid in body from media module.

I don't know if there's a reason it is coded this way, but I tried the following change which seem to fix this:

@@ -67,10 +67,11 @@
       continue;
     }
     // Attempt to load the node, using a fresh cache.
-    $node = node_load($nid, NULL, TRUE);
-    if (empty($node)) {
+    $nodes = entity_uuid_load('node', array($uuid), array(), TRUE);
+    if (!count($nodes)) {
       continue;
     }
+    $node = reset($nodes);
     if (!empty($node->path)) {
       $node->pathauto_perform_alias = FALSE;
     }
@@ -138,7 +139,7 @@
 
       $node = node_submit($node);
       uuid_features_file_field_import($node, 'node');
-      node_save($node);
+      entity_uuid_save('node', $node);
     }
   }
 }