usage: guano
-s,--server <arg> the zookeeper remote server to connect to (ie
"localhost:2181"
-d,--dump-znode <arg> the znode to dump (recursively)
-o,--output-dir <arg> the output directory to which znode
information should be written (must be a
normal, empty directory)
-i,--input-dir <arg> the input directory from which znode
information should be read
-r,--restore-znode <arg> the znode into which read data should be
restored
-v,--verbose enable debug output