PHP 5.4 is EOL. Don't support it! http://php.net/supported-versions.php

Author: timgws

.travis.yml

@@ -1,7 +1,6 @@
 language: php
 
 php:
-  - 5.4
   - 5.5
   - 5.6
   - 7

src/OpenSkill/Datatable/Queries/Parser/Datatable110QueryParser.php

@@ -6,7 +6,6 @@
 use OpenSkill\Datatable\Columns\ColumnConfiguration;
 use OpenSkill\Datatable\Queries\QueryConfiguration;
 use OpenSkill\Datatable\Queries\QueryConfigurationBuilder;
-use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\ParameterBag;
 use Symfony\Component\HttpFoundation\Request;