A put on the producer pool should try all producers on error

Try a different producer in the pool on error (#6)

* Try a different producer in the pool on error

* Tweak the error message

Somewhat of a rework

This should be a v2.0.0, but I don't like what Go modules makes me do to the import path.

Fix error message reporting

Print the correct error message when releasing a job before stopping the consumer.

Add backwards compatibility to URL schemes

v1.2.4

Add backwards compatibility to socket/URL formats

Small code cleanups

v1.2.3

Add a go.mod file

v1.2.2

Don't close the channel, as the Stop() calls to the consumers is asyn…

v1.2.1

Add some error checking and remove bogus variables

v1.2

Update the reference to the LICENSE

Stability improvements

v1.1

Add a comment to the NewJobQueueItem() function

The first stable release

v1.0

Set the default Options when none is specified