Merge pull request #1755 from specialtactics/bugfix/cater-to-5xx-exceptions

Cater for other 5xx exceptions

Author: specialtactics

src/Exception/Handler.php

@@ -215,7 +215,7 @@ protected function getStatusCode(Throwable $exception)
         }
 
         // Be extra defensive
-        if ($statusCode < 100 || $statusCode > 500) {
+        if ($statusCode < 100 || $statusCode > 599) {
             $statusCode = 500;
         }