':calls: `POST /user/emails <http://developer.github.com/v3/users/emails>`_
:param email: string
:rtype: None'

def add_to_emails(self, *emails):

    assert all((isinstance(element, (str, unicode)) for element in emails)), emails
    post_parameters = emails
    (headers, data) = self._requester.requestJsonAndCheck('POST', '/user/emails', input=post_parameters)
