title: Incremental MS Build
body: <p>New to MSbuild 
  I want to create a Incremental MSbuild Task which does follows</p>
  
  <ol>
  <li>Take Latest by Changeset(Done)</li>
  <li>Create Items of all updated/added/Deleted files</li>
  <li>Create output files base on input files.</li>
  </ol>