040000 tree efbabd1d12ee8110ffb8539edfdd52ca5cbfd80b	build
040000 tree 94a0fff1b5aac78e203134e14211adee8329ccb6	build_rules
040000 tree 0e6fe2034f3537453102152bb9ccd20e394bbe17	dev
040000 tree 3d8cd843c68731adc4a6d8e63dbbe983bcfd0451	gui
040000 tree 5d3c5174e6321c4b74feb1ee884a599b85a85bda	package
040000 tree 075fb12b6c34672227f7715396b28c9223de458c	test
040000 tree 544425a8f378f24fa9a142685fceeb9602d38754	tutorials