old_contents: """
  Python EDA Package
  
  common.py
  boolfunc.py -- Boolean functions
  constant.py -- Boolean constant functions
  expr.py -- Boolean logic expressions
  vexpr.py -- Boolean vector logic expressions
  table.py -- Boolean tables
  """
  
  __copyright__ = "Copyright (c) 2012, Chris Drake"
  __version__ = "0.3.1"
  
new_contents: """
  Python EDA Package
  
  common.py
  boolfunc.py -- Boolean functions
  constant.py -- Boolean constant functions
  expr.py -- Boolean logic expressions
  vexpr.py -- Boolean vector logic expressions
  table.py -- Boolean tables
  """
  
  __copyright__ = "Copyright (c) 2012, Chris Drake"
  __version__ = "0.4.0"
  
subject: Update to version 0.4.0