old_contents: TOKEN = 'TOKEN'
  BOTAN_TOKEN = ''  # Optional: Add a botan.io token if you want bot statistics
  
new_contents: #!/usr/bin/env python3
  #
  # Telegram bot to play UNO in group chats
  # Copyright (c) 2016 Jannes Höke <uno@jhoeke.de>
  #
  # This program is free software: you can redistribute it and/or modify
  # it under the terms of the GNU Affero General Public License as
  # published by the Free Software Foundation, either version 3 of the
  # License, or (at your option) any later version.
  #
  # This program is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  # GNU Affero General Public License for more details.
  #
  # You should have received a copy of the GNU Affero General Public License
  # along with this program. If not, see <http://www.gnu.org/licenses/>.
  
  
  TOKEN = 'TOKEN'
  BOTAN_TOKEN = ''  # Optional: Add a botan.io token if you want bot statistics
  
subject: add license information (#4)