040000 tree bbb630d4f8e79c655859ff009d4875acee91c043	build
040000 tree 94a0fff1b5aac78e203134e14211adee8329ccb6	build_rules
040000 tree e18db0542ee3b80d27dfb2890578fb77c6acc869	dev
040000 tree 44be511ecc12d23ca7fd727a24bb219b221f0ee5	gui
040000 tree 2919b3fedc7d16f339eba7a59acdb760c29a31de	package
040000 tree a3c36593854d7fbac1dc4cbb302cebafc440f429	test
040000 tree 544425a8f378f24fa9a142685fceeb9602d38754	tutorials