It would be nice to provide a stock retry function/decorator

It would be nice to provide a builtin function for performing
transactions replay logic when a DisconnectionError occurs. Something
that could be used like:

    @transact(retries=3)
    def my_application_code(store):
        # Perform database-operations.

Of course, this logic wouldn't work everywhere, but having something
basic that worked most of the time, and could be used as a base to
build on, would be useful.