Sends an credit note by email
        If you want to send your email to more than one persons do:
        'recipients': {'to': ['bykof@me.com', 'mbykovski@seibert-media.net']}}

        :param credit_note_it: the credit note id
        :param email_dict: the email dict
        :return dict

def send_credit_note_email(self, credit_note_it, email_dict):
        """
        Sends an credit note by email
        If you want to send your email to more than one persons do:
        'recipients': {'to': ['bykof@me.com', 'mbykovski@seibert-media.net']}}

        :param credit_note_it: the credit note id
        :param email_dict: the email dict
        :return dict
        """
        return self._create_post_request(
            resource=CREDIT_NOTES,
            billomat_id=credit_note_it,
            send_data=email_dict,
            command=EMAIL,
        )