Merge tag 'v1.9.2'

Author: fzaninotto

Diff for: src/Faker/Generator.php

@@ -291,4 +291,9 @@ public function __destruct()
     {
         $this->seed();
     }
+
+    public function __wakeup()
+    {
+        $this->formatters = [];
+    }
 }