title: JWT refresh token [Laravel 5.2]
body: <p>I am using <code>Tymon</code> pkg for JWT auth in Laravel 5.2</p>
  
  <p>In my Kernel I have middlware:</p>
  
  <pre><code>'jwt.refresh' =&gt; \Tymon\JWTAuth\Middleware\RefreshToken::class,
  </code></pre>
  
  <p>Anyone can explain me how to use it and how to set up refresh token in my app server side?</p>