Merge pull request #55 from im-bart/hotfix/handle_throwable

Handle PHP 7+ Throwable (also before defaulting to status 406)

Conflicts:
	src/Listener/ApiProblemListener.php

Author: weierophinney

src/Listener/RenderErrorListener.php

@@ -64,7 +64,7 @@ public function onRenderError(MvcEvent $e)
         $details = false;
 
         $exception = $e->getParam('exception');
-        if ($exception instanceof \Exception
+        if (($exception instanceof \Exception || $exception instanceof \Throwable)
             && ! $exception instanceof ViewExceptionInterface
         ) {
             $code = $exception->getCode();