040000 tree 9ecfdf2bfeca6009b642f63d449980cb4b5ade3d	build
040000 tree 4feb9ab8cc6fe7b4e4fb3f9d8451398a164f720a	dev
040000 tree 4d100586875e887b755aa4c57483d169a3e27bcf	gui
040000 tree a15122f880a93ff35cd58668f79b3f99cc5fef6a	package
040000 tree 92ee2278081a57d19e479dd8340f8ec5eb6c35ea	test
040000 tree 2420d1974a5a069cce5670392a8442b8e91b4d7b	tutorials