old_contents: """Project metadata
  
  Information describing the project.
  """
  
  # The package name, which is also the so-called "UNIX name" for the project.
  package = 'ecs'
  project = "Entity-Component-System"
  project_no_spaces = project.replace(' ', '')
  version = '0.1'
  description = 'An entity system in Python'
  authors = ['Sean Fisk', 'Kevin Ward']
  authors_string = ', '.join(authors)
  emails = ['sean@seanfisk.com', 'antiomiae@gmail.com']
  license = 'MIT'
  copyright = '2013 ' + authors_string
  url = 'https://github.com/seanfisk/ecs'
  
new_contents: """Project metadata
  
  Information describing the project.
  """
  
  # The package name, which is also the so-called "UNIX name" for the project.
  package = 'ecs'
  project = "Entity-Component-System"
  project_no_spaces = project.replace(' ', '')
  version = '0.1'
  description = 'An entity/component system library for games'
  authors = ['Sean Fisk', 'Kevin Ward']
  authors_string = ', '.join(authors)
  emails = ['sean@seanfisk.com', 'antiomiae@gmail.com']
  license = 'MIT'
  copyright = '2013 ' + authors_string
  url = 'https://github.com/seanfisk/ecs'
  
subject: Update metadata description.