timout 1 instead of 0

[FoamyGuy]

@ladyada
Resolves: #227

Solution discussed with @brentru on discord. I did try changing the cpython examples to use 0, but that still leads to the exception being raised about being shorter than the socket timeout, so I've left them alone in this PR.

[dhalbert]

Suggestion:
The current code is:

        if timeout < self._socket_timeout:
            raise MMQTTException(
                f"loop timeout ({timeout}) must be bigger "
                + f"than socket timeout ({self._socket_timeout}))"
            )

The test is actually <, not <=, so a more precise message would be ... must be >= ... instead of ... must be bigger ....

Now, in terms of actually working properly, should the loop timeout be absolutely greater than the socket timeout, or just greater or equal?

query for @brentru

[brentru]

should the loop timeout be absolutely greater than the socket timeout, or just greater or equal?

Greater or equal

[FoamyGuy]

Thank you @dhalbert and @brentru, the message is updated with the latest commit to >= instead of bigger