old_contents: #thunderdome exceptions
  class ThunderdomeException(Exception): pass
  class ModelException(ThunderdomeException): pass
  class ValidationError(ThunderdomeException): pass
  class DoesNotExist(ThunderdomeException): pass
  class MultipleObjectsReturned(ThunderdomeException): pass
  class WrongElementType(ThunderdomeException): pass
  
  
new_contents: # Copyright (c) 2012-2013 SHIFT.com
  #
  # 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 ThunderdomeException(Exception): pass
  class ModelException(ThunderdomeException): pass
  class ValidationError(ThunderdomeException): pass
  class DoesNotExist(ThunderdomeException): pass
  class MultipleObjectsReturned(ThunderdomeException): pass
  class WrongElementType(ThunderdomeException): pass
  
  
subject: Add Copyright Header