title: How to move column or swap two columns with csvkit?
body: <p>I'm using <a href="https://csvkit.readthedocs.org/en/0.9.1/" rel="nofollow">csvkit</a> to manipulate csv files, but can't find how to do this:</p>
  
  <ol>
  <li>move one column before or after another column</li>
  <li>swap two columns but keep others unchanged</li>
  </ol>
  
  <p>Does someone know how to do it?</p>