new_contents: #!/usr/bin/env python
  #
  # Copyright (c) 2013 Martin Abente Lahaye. - tch@sugarlabs.org
  
  #Permission is hereby granted, free of charge, to any person obtaining a copy
  #of this software and associated documentation files (the "Software"), to deal
  #in the Software without restriction, including without limitation the rights
  #to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  #copies of the Software, and to permit persons to whom the Software is
  #furnished to do so, subject to the following conditions:
  
  #The above copyright notice and this permission notice shall be included in
  #all copies or substantial portions of the Software.
  
  #THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  #IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  #FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  #AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  #LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  #OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  #THE SOFTWARE.
  
  
  class TwrStatusNotCreated(Exception):
      pass
  
  
  class TwrStatusAlreadyCreated(Exception):
      pass
  
  
  class TwrStatusNotFound(Exception):
      pass
  
  
  class TwrStatusError(Exception):
      pass
  
subject: Add TwrError packages