Complete impl of:

LIOS-43: Update JSON object tests with deep-validation checking
LIOS-54: Improve Loopy API Client with true objects instead of NSDictionary for JSON-based API calls
Revisions per code review
Merge pull request #15 from socialize/feature/dict-to-obj

NCT-45: Improve Loopy API Client with true objects instead of NSDictionary for JSON-based API calls

Per Isaac, OK to merge after revisions made and tests pass