040000 tree ce1a778f8b2e68f0ad2210f72a32375836609956	build
040000 tree 0c7623c97f48aa19c69635e4c68bf586a12d303f	dev
040000 tree 202c7f7b884837169231cdc22d6c5c462ed20542	gui
040000 tree e46bf9ca230386622755ece9eeb2312a9ac4bc6f	package
040000 tree df74d51dc25432d9562e0936e8ffe4816aa34776	test
040000 tree 2420d1974a5a069cce5670392a8442b8e91b4d7b	tutorials