Example Usage
$ ./pivot -h

Pivot: Port-Forwarding and Proxy Tool

Usage: pivot <COMMAND>

Commands:
  fwd    Port forwarding mode
  proxy  Socks proxy mode
  reuse  Port reuse mode
  help   Print this message or the help of the given subcommand(s)

Options:
  -h, --help     Print help
  -V, --version  Print version