2.4.0
- 8992b1c Fix CS issue and array syntax (zumba)
- fb9571f Verify PDOCheck class exists when using pdo_connections check (zumba)
- 2b62bde PDO Connections check implementation (zumba)
- 19faef2 switch from guzzle/guzzle to guzzlehttp/guzzle in development (Kevin Bond)
- 3f7820a add Symfony 3.1 to travis test matrix (Kevin Bond)