title: how to use IN in WHERE claus doctrine 2 using querybuilder
body: <p>How can I use IN in WHERE claus in doctrine2 using <a href="http://docs.doctrine-project.org/en/latest/reference/query-builder.html" rel="nofollow">querybuilder</a></p>
  
  <p>How can I convert following sql in doctrine using querybuilder?</p>
  
  <pre><code>SELECT fooid FROM foo WHERE bar IN ('A','C');
  </code></pre>