Load assets with associated last-associated date.
Cleanup.
Removed useless functions.
Added ring wrapper.
Do not add Date header as it's already added.
Add img folder to default roots.
Create an in-memory copy of asset content stream.
Removed old folder.
Removed ring sub-project.
Make internal methods private.
Refactoring.
Added some type hints.
Do not refresh assets automatically.
More sane class loader handling.