040000 tree 8b61b01d1ce312f8183656e34f4b7e7abee50aea	build
040000 tree d7c460f30a61a82b078ed5f4a970e3dbd8fbc3cb	build_rules
040000 tree 34f3ac87d850827e84f893d0a600826a975cb8c3	dev
040000 tree 44be511ecc12d23ca7fd727a24bb219b221f0ee5	gui
040000 tree 38dfd662d586465c5e31e2fc4f4783a078642cfe	package
040000 tree e4b5b11c33d69ea208dff9180feaa839ef55b394	test
040000 tree c9a5be03cb270ae04819b06c7414860cbcefe188	tutorials