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040000 tree 049c20cab66dbd5666fbf0dfaa8f633fd61fd0fc	ccnx-repo
040000 tree d1f1d4504af4ce371888e8d0f21c0232c3219593	ccnx-trace
040000 tree ccc0503d9127b3b8bfabfab26dc0531d11521c98	ccnx
040000 tree 35cc195c8ef09e653eb609261b57fee910f5ea43	ndndump
040000 tree 9adafd8dec8b599caedd4b775104c65eb229b4be	py-pyccn