Attempt to make the InMemoryResponseCacher more performant
* This prevents http responses from re-parsing the body, etc.
import cleanup
Add caching for bodyAsCaseClass /cc @kelseyq
Protect against non-singleton JSONR's
publish this as a bug fix version
Merge pull request #23 from stackmob/faster_caching

Attempt to make the InMemoryResponseCacher more performant