title: delphi xe7 upload/download dropbox file using the rest client and show progress
body: <p>using the xe7 rest client i am able to authenticate and get all kind of information like file list, account info, etc.
  how can i now upload and download files with progress indication?
  for uploading it will be very useful if there are some examples for small file using <strong>/files_put</strong> (max file size 150MB) and bigger one using <strong>/chunked_upload</strong> from
  <a href="https://www.dropbox.com/developers/core" rel="nofollow">Dropbox API</a></p>
  
  <p>thank you!</p>