old_contents: from .core import *
  
  __all__ = ['OutlookAccount', 'Message', 'Contact', 'Folder']
  __version__ = '1.0.0'
  __release__ = '1.0.0'
  
new_contents: from .core import *
  
  __all__ = ['OutlookAccount', 'Message', 'Contact', 'Folder']
  __version__ = '1.0.0dev'
  __release__ = '1.0.0dev'
  
subject: Package development version of upcoming v1 release for testing.