Merge pull request 'log erros that were already caught' (#28) from feature/error-log into master

Reviewed-on: #28

src/Response/HttpResponse.php

@@ -94,6 +94,7 @@ class HttpResponse
             $response = call_user_func([$controller, $handler[1]]);
         } catch (Exception $exception) {
             $this->dbConnection->rollback();
+            error_log($exception);
             $this->render500($exception);
             return;
         }