hyperkv put KEY VALUE {OPTIONS}

  Insert a json VALUE at KEY.

	--links  Comma-separated list of ancestor hashes

hyperkv get KEY

  Print a json object for the values at KEY,
	mapping hashes to values.

hyperkv list

  Print a list of keys and values as json, one per line.

hyperkv push
hyperkv pull
hyperkv sync

  Replicate with another hyperkv using stdin and stdout.