sportngin/queuel — pull request #24 by ryanmuller (2014-04-03 16:47:46+00:00)
Title: add queue.size method with implementations for sqs and iron_mq

URLs
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* [pivotal tracker story 68305174](https://www.pivotaltracker.com/story/show/68305174)

QA Plan
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* Size method should correctly interface with SQS and IronMQ