title: How do I manage building a Lite vs Paid version of an iPhone app?
body: <p>I'm starting to get to the point where I want to consider building a
  lite version of my iPhone app. I've found a few things on the web that talk
  about the process a bit, namely:</p>
  
  <p><a href="http://developer.apple.com/tools/XCode/XCodeprojects.html" rel="noreferrer">http://developer.apple.com/tools/XCode/XCodeprojects.html</a></p>
  
  <p><a href="http://www.pacificspirit.com/blog/2009/01/27/building_for_multiple_iphone_targets_in_xcode" rel="noreferrer">http://www.pacificspirit.com/blog/2009/01/27/building_for_multiple_iphone_targets_in_xcode</a></p>
  
  <p>What I'm
  specifically interested in is simplifying the process of managing
  which files are included in the different versions of my app as I
  continually modify and enhance my paid for version.</p>