this allows zipfiles to be stored anywhere in already registed fileIO (such as zipfiles inside other zipfiles)
see Bullet/examples/pybullet/examples/fileIOPlugin.py
enable vhacd, fileIO and zipFileIO in premake version of PyBullet
fix potential memory leak in mtl loading
Apply clang-format-all.sh using the _clang-format file through all the cpp/.h files.
make sure not to apply it to certain serialization structures, since some parser expects the * as part of the name, instead of type.
This commit contains no other changes aside from adding and applying clang-format-all.sh