cli: Create our own FlagSet so we can set the policy to ExitOnError
cli: Create our own FlagSet so we can set the policy to ExitOnError

rfjakob/gocryptfs,davesteele/gocryptfs,rfjakob/gocryptfs,rfjakob/gocryptfs,davesteele/gocryptfs,rfjakob/gocryptfs,davesteele/gocryptfs