Fix issue providing pem file at unexpanded path
Version bump v0.2.1
Update README badges [ci skip]
Do not nest data bag items under +data+ in the hash/JSON

This commit fixes #15 and moves information in the +data+ hash to the top-level.
Add basic search functionality
Use semantic versioning for Ruby 2.1
Update specs and Chef Zero
Add partial search
Release v0.3.0
Support multipart POST requests
Don't use backticks on attributes
Add support for listing cookbook versions
Fix a bug with type checking