3D Skellies

Adds a finished 3D model for Bogged

Patches the Stray model and adds a beta model for Bogged

Adds a 3D model for Strays

Adds more version compatibility

Fixes an issue with the pack format

Adds a 3D model for Wither Skeletons

Fixes some of the modeling in the Skeleton Horse head

Adds a 3D model for Skeleton Horses

Normal Skeleton 3D model