title: ServiceStack IReturn
body: <p>I am looking at the new api that came out 2 weeks ago. It seems like </p>
  
  <pre><code>ReqDTO : IReturn&lt;List&lt;ResDTO&gt;&gt; { //... }
  </code></pre>
  
  <p>The "IReturn" bit seems to be optional? The DTOs in RazorRockstars demo project works without it. </p>