'Query or modify the options for the specified column.
If kw is not given, returns a dict of the column option values. If
option is specified then the value for that option is returned.
Otherwise, sets the options to the corresponding values.'

def column(self, column, option=None, **kw):

    if (option is not None):
        kw[option] = None
    return _val_or_dict(self.tk, kw, self._w, 'column', column)
