title: Tastypie filtering with multiple values
body: <p>I had a simple question on filtering in tastypie.</p>
  
  <p>I want to filter with multiple values. For example:</p>
  
  <p><code>/api/v1/message/?accountId=1,5,12</code></p>
  
  <p>This doesnt work. Any idea how i can do this?</p>
  
  <p>Do i need to use advanced filtering? If yes, how do I go about creating such a filter? A simple effortless example of puesdo-code would be great!</p>
  
  <p>Thanks!</p>