:return: A list of function matches that appear to differ including just by constants

def differing_functions_with_consts(self):
        """
        :return: A list of function matches that appear to differ including just by constants
        """
        different_funcs = []
        for (func_a, func_b) in self.function_matches:
            if not self.functions_probably_identical(func_a, func_b, check_consts=True):
                different_funcs.append((func_a, func_b))
        return different_funcs