log erros into file

src/Response/HttpResponse.php

@@ -1,5 +1,6 @@
 <?php namespace SokoWeb\Response;
 
+use DateTime;
 use ErrorException;
 use Exception;
 use SokoWeb\Interfaces\Response\IRedirect;
@@ -94,6 +95,7 @@ class HttpResponse
             $response = call_user_func([$controller, $handler[1]]);
         } catch (Exception $exception) {
             $this->dbConnection->rollback();
+            error_log($exception);
             $this->render500($exception);
             return;
         }