'Language setting must be set in this method b/c non-occidental
(western) languages require a seperate stopwords class.'

def set_language(self, language):

    if ((not language) or (len(language) != 2)):
        raise Exception('Your    input    language    must    be    a    2    char    language    code,                                                                    for    example:    english-->en    \n    and    german-->de')
    self.use_meta_language = False
    self._language = language
    self.stopwords_class = self.get_stopwords_class(language)
