GitLabPHP#446 - label model id

Author: DBLaci

lib/Gitlab/Model/Label.php

@@ -5,6 +5,7 @@
 /**
  * Class Label
  *
+ * @property-read int $id
  * @property-read string $name
  * @property-read string $color
  */
@@ -14,6 +15,7 @@ class Label extends AbstractModel
      * @var array
      */
     protected static $properties = array(
+        'id',
         'name',
         'color'
     );