040000 tree 1958ba79a1c36a7b1ed8d5d080705eaf6fc2d6da	build
040000 tree 94a0fff1b5aac78e203134e14211adee8329ccb6	build_rules
040000 tree 0e6fe2034f3537453102152bb9ccd20e394bbe17	dev
040000 tree 3d8cd843c68731adc4a6d8e63dbbe983bcfd0451	gui
040000 tree ec5e3bc2f007ff1a936d9cc5427f9e82a7f4d4a7	package
040000 tree b955fb3c81e1d162acb08aac1845cba7eb950b99	test
040000 tree 544425a8f378f24fa9a142685fceeb9602d38754	tutorials