timeouterror could be more clear about the implications

When TimeoutError is raised the exception looks like the query was run-and-timed-out, but actually it isn't run.

So perhaps if the exception had two parts - a reason, and the query (or perhaps a new class name?).

I'd like a reason myself:
TimeoutError('-4 seconds remaining in time budget', 'SELECT....')
TimeoutError('SQL server cancelled transaction', 'SELECT....')

The lack of clarity here means that new developers reading OOPS reports in launchpad for the first time have to go read the storm source to see what is actually meant by a TimeoutError - and they don't, because they *think* they know what TimeoutError means when they first see it.