040000 tree c12642650014d5c9b3ed78c0cf10634450ad16da	build
040000 tree 94a0fff1b5aac78e203134e14211adee8329ccb6	build_rules
040000 tree ce33b79766698d8965d576200e710f3cd7602b1e	dev
040000 tree b972b5f54b4c4c81db27c4ec9db80d0c709afea5	gui
040000 tree 4b691957a56f73a262c3d23a7f8bf3dee00e8f86	package
040000 tree cf7d5012e1a1eebd0f125d5acfb67175411c78b9	test
040000 tree 544425a8f378f24fa9a142685fceeb9602d38754	tutorials