Tilengine 1.17 released

This release for all compatible platforms has these new features and enhancements:

• New property for individual tiles in Tiled editor: "priority", setting it to "true" marks all ocurrences of that tile in the tilemap with the priority flag, making them to appear in front of regular sprites
• Improved python wrapper and fixed some bugs. Now it's up to date with the new GitHub project Tilengine platformer prototype in python: https://github.com/megamarc/TilenginePythonPlatformer