'Initialize the corpus reader.  Categorization arguments
(``cat_pattern``, ``cat_map``, and ``cat_file``) are passed to
the ``CategorizedCorpusReader`` constructor.  The remaining arguments
are passed to the ``PlaintextCorpusReader`` constructor.'

def __init__(self, *args, **kwargs):

    CategorizedCorpusReader.__init__(self, kwargs)
    PlaintextCorpusReader.__init__(self, *args, **kwargs)
