Initial commit
Improve logger, add texture
Remove binary and use stbi for image loading
Add sprites and json parsing
Remove binary, minor fix to sprites
Fix sprite and sprite atlas
Add entity structure
Fix asset caching
Add constants and clean up caching
Fix sprite polymorphism. Add sprite data.
Add input and fix sprite data
Improve physics constants and add timer class
Add basic quadtree and square collision resolution
Fix quadtree including outer and inner items
Fix quadtree hierarchy
Fix cornercases when getting nearest neighbour
minor fixes