Create new cloudflare user with selected email and id. Optionally also
        select unique_id which can be then used to get user information.

        :param    cloudflare_email: new user cloudflare email
        :type     cloudflare_email: str
        :param    cloudflare_pass:  new user cloudflare password
        :type     cloudflare_pass:  str
        :param    unique_id:        new user unique id
        :type     unique_id:        str (optional)

        :returns:
        :rtype:   dict

def user_create(self, cloudflare_email, cloudflare_pass, unique_id=None):
        """
        Create new cloudflare user with selected email and id. Optionally also
        select unique_id which can be then used to get user information.

        :param    cloudflare_email: new user cloudflare email
        :type     cloudflare_email: str
        :param    cloudflare_pass:  new user cloudflare password
        :type     cloudflare_pass:  str
        :param    unique_id:        new user unique id
        :type     unique_id:        str (optional)

        :returns:
        :rtype:   dict
        """
        params = {
            'act': 'user_create',
            'cloudflare_email': cloudflare_email,
            'cloudflare_pass': cloudflare_pass
        }
        if unique_id:
            params['unique_id'] = unique_id
        return self._request(params)