Iterator that returns all the terminal objects
        @rtype: L{Cterminal}
        @return: terminal objects as list

def get_terminals_as_list(self):
        """
        Iterator that returns all the terminal objects
        @rtype: L{Cterminal}
        @return: terminal objects as list
        """
        terminalList = []
        for t_node in self.__get_t_nodes():
            terminalList.append(Cterminal(t_node))
        return terminalList