040000 tree f15a5c9070a068927af04aa73db3efbc89771ed6	build
040000 tree 94a0fff1b5aac78e203134e14211adee8329ccb6	build_rules
040000 tree 70eedb07327851d9a3a1fabf2f0a3b6aec81b38d	dev
040000 tree b972b5f54b4c4c81db27c4ec9db80d0c709afea5	gui
040000 tree cb245ed339f0f30a04d561d2e2ee4de21d78cf03	package
040000 tree f720527e2c89d344a363fd544ab4b509858d1c38	test
040000 tree 544425a8f378f24fa9a142685fceeb9602d38754	tutorials