Print program name and version and exit.

        :rtype: int

def print_name_version(self):
        """
        Print program name and version and exit.

        :rtype: int
        """
        if self.use_sys:
            self.print_generic(u"%s v%s" % (self.NAME, aeneas_version))
        return self.exit(self.HELP_EXIT_CODE)