040000 tree 19333556999102da991306d385be7478adb4238b	build
040000 tree 94a0fff1b5aac78e203134e14211adee8329ccb6	build_rules
040000 tree 70eedb07327851d9a3a1fabf2f0a3b6aec81b38d	dev
040000 tree b972b5f54b4c4c81db27c4ec9db80d0c709afea5	gui
040000 tree 874e097f577328ebd25347bec24cefa2a4156aed	package
040000 tree e91291d5804b67ab4310927fd35a65d500739bea	test
040000 tree 544425a8f378f24fa9a142685fceeb9602d38754	tutorials