Add hooks for caching responses#142

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wakecoder wants to merge 6 commits intovilladora:masterfrom

wakecoder:master

Commits on Oct 20, 2016

Adds the ability to cache data and return cached data when present.
wakecoder
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Fixes minor issues that caused readCache unit test to fail.
wakecoder
committed

Commits on Oct 27, 2016

Commits on Oct 28, 2016