anchor.diff:              Auth: {token}
   
   + Response 200 (application/json)
  -
  -        {
  -            "message": "Token prolonged.",
  -        }
   
   ### Invalidate current token. [DELETE]
   
  
positive.code: Providing `login` and `password` of existing user returns authentication token for comunication with API. Returned token must by provided in `Auth` header with each subsequent request, otherwise you get back **401 Unauthorized** status code.
  + Request
  
      + Body
      
              {
                  "login": "login",
                  "password": "password"
              }
  
  + Response 200 (application/json)
  
          {
              "token": "{ac4cb54caac5bca7ef455}",
          }
  
  + Response 404 (application/json)
  
          {
              "message": "Sorry, bad login or password.",
          }
  
  ### Prolong token validity [PUT]
  
  This call prolongs your token validity by 30 minutes.
  
  + Request
      + Headers
  
negative.code: 
  + Response 200 (application/json)
  
  ### Get current user id. [GET]
  
  + Request
      + Headers
  