040000 tree 8db33deb554a9c7c5e10835296654be3fd41599a	0.2.pre1
040000 tree 6fe6af804d7095bf0df3cb5e692cbdf84ea8a6b0	0.3.pre1
040000 tree c681a68a39958c6ce21dc4dbd6e3f164d253b766	0.4.5
040000 tree c1bb1521444ae377518be15469697bb901b6cfd0	0.4.6
040000 tree 130f26655774f183977577d412aa8351764a279d	0.4.7