title: pptx4j: Support for Sections / Slidelist
body: <p>Is there any api for PPTx Sections / SlideLists?</p>
  
  <p>See <a href="http://msdn.microsoft.com/en-us/library/dd907440%28v=office.12%29.aspx" rel="nofollow">http://msdn.microsoft.com/en-us/library/dd907440%28v=office.12%29.aspx</a></p>
  
  <p>If there isn't, any suggestions how to start with this?</p>
  
  <p>Thanks!</p>