Pretty version

        :param diff_to_increase_ratio: Ratio to convert number of changes into
            version increases
        :return: string: Pretty version of this repository

def get_pretty_version(self, diff_to_increase_ratio):
        """Pretty version

        :param diff_to_increase_ratio: Ratio to convert number of changes into
            version increases
        :return: string: Pretty version of this repository
        """
        version = self.get_version(diff_to_increase_ratio)
        build = self.get_last_commit_hash()
        return str(version) + " (" + build + ")"