handle ports race condition by returning 3000 #41
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fixes #40
This is a very simple to fix to the problem with ports where it
will occaisonally throw an error:
The fix is to catch the error and use port 3000. Not great, but should
handle some cases where this was a problem.
An alternate fix to try would be to try fetching the port again, probably
in a loop (with some limit), in hopes of getting a value from ports.