jmizell / ddstats / 25

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travis-ci

Flush and shutdown improvements

Previously, any call to Close() made after a prior one, would
indefinitely block. Now multiple calls to Close() can be made,
and all will block until Stats has shutdown.

Flush now blocks, until all flush operations are complete.
Previously, flush would only signal a flush. Now we wait until
the flush wait group has zero workers.

52 of 52 new or added lines in 1 file covered. (100.0%)

454 of 464 relevant lines covered (97.84%)

25.07 hits per line