title: How to Logout user from Spotify after authorization and Web API call is over
body: <p>Im using Spotify Web API to get list of playlist and track of user. Authorization is working fine. Also i do get track details. But after that I want to logout user from spotify and allow new login . 
  There is a session time till the user auto logout from spotify account. But user might not have patience to wait so long and re try with different spotify account. </p>
  
  <p>Is there any API to logout user from spotify.</p>
  
  <p>What can be done. Please help.</p>