Commit 09c60db8 should have incrememnted the model format version but didn't. Also added "since version x.x" in the model format docs.
09c60db8
Adds eye direction support in the model system and in the 'test' model.
It would be inefficient if git only had access to the binary model files instead of each image in it. This way, if one image gets updated, an entire new model package doesn't need to be stored in git's objects.