'Returns a list of user-created and built-in classifiers. (May change
in the future to only user-created.)
:param verbose: Specifies whether to return more information about
each classifier, such as the author'

def list_classifiers(self, verbose=False):

    params = {'verbose': verbose, 'version': self.version}
    return self.request(method='GET', url='/v3/classifiers', params=params, accept_json=True)
