old_contents: from .fields import BitOptionsField, SimpleBitOptionsField
  from .forms import BitOptionsForm
  from .utils import BitOptions, number2powers
  from .widgets import BitOptionsWidget
  
  __version__ = '1.0.0'
  
new_contents: from .fields import BitOptionsField, SimpleBitOptionsField
  from .forms import BitOptionsForm
  from .utils import BitOptions, number2powers
  from .widgets import BitOptionsWidget
  
  __version__ = '1.0.1'
  
subject: Bump version to 1.0.1.