Allow forcefully getting a string out of a json blob.
base/json: Add another unit test
base/json: Better error messages
base/json: Add missing reference so we don't copy every string name in an object when iterating
base/json: Add more helper functions for getting data out of json blobs.
base/json: add Contains helper function for checking if an object contains a key without looking it up and then assert failing or creating it.
base/json: Simplify Contains()
base/json: Remove whitespace
base/json: Make the json TSyntaxError not conflict with <base/syntax_error.h> via ODR
Merge pull request #91 from cmaloney/json_improvements

Json improvements