Responses constructed from json::wvalue now automatically set the appropriate Content-Type header
Merge pull request #36 from acron0/auto-json-content-type

Responses now auto to 'application/json' when constructed using json::wvalue
Added boolean types to json rvalue (.b()) including tests
Merged changes from master
Update README.md
fix query_string bug that crashed test
Fixes #32 by chaing types for operator overloading from int32_t to int, long
Fixes a bug that crow::json failed to parse double value starting with 0
amalgamation update
Merge pull request #38 from acron0/json-bool

Added boolean types to json rvalue (.b()) including test
Merged upstream