Drop quotes on keys of nested objects
Drop quotes on keys of nested objects

Bug reported in Stack Exchange:
http://stackoverflow.com/questions/7706104/json-to-string-without-adding-quotes-to-keys/20936155?noredirect=1#comment56777161_20936155
martindrapeau/csvjson-app,martindrapeau/csvjson-app,martindrapeau/csvjson-app