title: Clear webView cookies (Swift)
body: <p>How can I clear all cookies for few hosts in my webView?
  Method from <a href="https://stackoverflow.com/questions/27543817/how-to-manage-cookies-with-uiwebview-in-swift">this</a> question not working.</p>
  
  <p>I'm trying to work with vk.com oauth and it does not have user-logout method, so deleting cookis is one of existing ways to make other user possible to log in</p>
  
  <p><strong>Answer is below</strong></p>