040000 tree dc18a2bd6d3d58d56a178b5aaee6ae9ff50d9b58	build
040000 tree d7c460f30a61a82b078ed5f4a970e3dbd8fbc3cb	build_rules
040000 tree 88620cd5f5974135b2dd5faca41ed73217076f1c	dev
040000 tree 44be511ecc12d23ca7fd727a24bb219b221f0ee5	gui
040000 tree 07c612756469bd42729689f635fc998ad4c6d7af	package
040000 tree efaf82b86a6af320af6e0d786625010ed504bb05	test
040000 tree c9a5be03cb270ae04819b06c7414860cbcefe188	tutorials