Explicitly check for 'no redirect' and 'refresh page' values for redirect property.

Credit to @Ladylain for initial idea. Fixes #385. Refs: #387

Author: Ben Thomson

components/Account.php

@@ -486,11 +486,16 @@ protected function makeRedirection($intended = false)
     {
         $method = $intended ? 'intended' : 'to';
 
-        $property = $this->property('redirect');
+        $property = trim((string) $this->property('redirect'));
 
-        if (empty($property)) {
+        // No redirect
+        if ($property === '0') {
             return;
         }
+        // Refresh page
+        if ($property === '') {
+            return Redirect::refresh();
+        }
 
         $redirectUrl = $this->pageUrl($property) ?: $property;