040000 tree dc687b87910b8fbc8609cf639729852fefaf91ad	build
040000 tree ceb14b4f1caaa99abf576f03b32fecb826428922	build_rules
040000 tree 0a80c0d9ab5a086547124a3fb98fcdb33fd95c19	dev
040000 tree 63cddab791c764a5e79a677c616cdc04ab2deaea	gui
040000 tree 15415b490551dfacb72ae3a8a518432d0b6718f7	package
040000 tree 90b67c00ef64b7ddd7162ba719d14f1be08ef7db	test
040000 tree c9a5be03cb270ae04819b06c7414860cbcefe188	tutorials