:param sha: Full sha to list the statuses from.
        :return: A defered with the result from GitHub.

def getStatuses(self, repo_user, repo_name, sha):
        """
        :param sha: Full sha to list the statuses from.
        :return: A defered with the result from GitHub.
        """
        return self.api.makeRequest(
            ['repos', repo_user, repo_name, 'statuses', sha],
            method='GET')