title: WordPress: Restrict users to see only their uploads
body: <p>I have 200 users in my site and I need to hide all picture uploads from <code>user1</code> for all other users when uploaded from wp-admin-> media upload.</p>
  
  <p>And if <code>user50</code> upload new picture, only he can see it in media upload.</p>
  
  <p>How can do that ?</p>