Log Message:
1.0.8 2015-06-19
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* Added check method for all storage classes
* Use lock timeout with redis

1.0.7 2015-06-07
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* No functional change

1.0.6 2015-05-13
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* Bug fixes for .test() logic

1.0.5 2015-05-12
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* Add support for testing a rate limit before hitting it.