040000 tree 6026eb13fb2aec5a3736e534c3b7fbb71ccf8126	build
040000 tree 8fa5dce35a05ca35d6be86ece98a87e60d57177e	dev
040000 tree 63cddab791c764a5e79a677c616cdc04ab2deaea	gui
040000 tree b6e25d7e3287e38fbac7e4853de8ce3c6ba8f26b	package
040000 tree aef565f6fbf7994ad8333f5bcba9220280603cd5	test
040000 tree 08f1f3d558b93d1b56a840a376454dc03adb8cac	tutorials