Run transpec to convert specs to 'expect' syntax used in RSpec 3.0.x
Make MultiJson optional
Merge pull request #3 from petergoldstein/feature/transpec

RSpec 3.0.x syntax changes
Merge pull request #4 from petergoldstein/feature/make_multi_json_optional

Make MultiJson optional
Minor fixes
Updated change log and version
Updated README and dependencies
Made library more secure by default.