code: function(options) {
        options = opts(this, options);
        options.applevel = true;
  
        var token = this.options.session_token;
        this.options.email = null;
        this.options.username = null;
        this.options.session_token = null;
  
        if (options.savelogin) {
          store('email', null, this.options.appid);
          store('username', null, this.options.appid);
          store('session_token', this.options.appid);
        }
  
        return new APICall({
          action: 'account/logout',
          type: 'POST',
          processResponse: APICall.basicResponse,
          headers: {
            'X-CloudMine-SessionToken': token
          },
          options: options
        });
      }
docs: Logout the current user.
  @param {object} [options] Override defaults set on WebService. See WebService constructor for parameters.
  @return {APICall} An APICall instance for the web service request used to attach events.