Release of v5.0.3-alpha4

Fix database default fields to allow NULL. #1169. Fix the power list field to allow search. #1167. Expanded the Demo component in JCB v4 to include more advance features.

admin/src/Controller/Joomla_componentController.php

@@ -63,6 +63,22 @@ class Joomla_componentController extends FormController
 	 */
 	protected $view_list = 'joomla_components';
 
+	/**
+	 * Referral value
+	 *
+	 * @var    string
+	 * @since  5.0
+	 */
+	protected string $ref;
+
+	/**
+	 * Referral ID value
+	 *
+	 * @var    int
+	 * @since  5.0
+	 */
+	protected int $refid;
+
 	public function refresh()
 	{
 		// Check for request forgeries