Christmas Bird Count history report system

# - - - - -   c l a s s   L a b e l C e l l

class LabelCell(Cell):
    '''Table cells containing column labels.

      Exports:
        LabelCell(label):
          [ label is a string ->
              return a new LabelCell displaying (label) ]
        .label:      [ as passed to constructor ]
    '''
    __slots__ = ('label')