- Add WriteToStringPtr for optimized serialization without buffer allocations
- Implement reference counting with RefCounted/RefPtr for better memory management
- Support JSON Patch (RFC 6902) and Merge Patch (RFC 7386) operations
- Improve floating-point serialization with adjusted precision limits (1-7)
- Enhance iterators with reset capability and better error handling
- Update documentation and tests for new features
- Renamed YYJSON to JSON throughout the codebase for consistency
- Updated file names and references, including YYJSONManager to JsonManager
- Added some new native functions