title: Check another columns on login with default auth on Laravel 5
body: <p>This is my first attempt at using a php framework, so I decided to go with Laravel 5.</p>
  
  <p>But I have a problem: I want to check the user status at login, so only <code>enabled == 1</code> users get to login. I checked <strong>AuthenticatesAndRegistersUsers.php</strong>, and followed some functions on <strong>Guard.php</strong>, but I could not understand where does it check the actual columns, and where I should place my check for the column <code>is_enabled</code>.</p>