Release 01bd5d6

Enhance tile validation and error handling in map.gd

- Added checks for non-negative atlas coordinates in set_tile and sync_tile functions to prevent invalid inputs.
- Implemented additional validation for tileset sources and atlas coordinates, ensuring they exist within the tileset bounds.
- Improved error logging for invalid atlas coordinates and tileset sources, enhancing robustness and debugging capabilities.
- Updated comments for clarity on the new validation processes.