### TODO

    payment_id
    payments <PID_1> [<PID_2> ... <PID_N>]
    print_ring <key_image> | <txid>
    save_known_rings
    save_watch_only
    set <option> [<value>]
    set_daemon <host>[:<port>] [trusted|untrusted]
    set_log <level>|{+,-,}<categories>
    set_ring <filename> | ( <key_image> absolute|relative <index> [<index>...])
    set_tx_note <txid> [free text note]
    sign_transfer [export_raw]
    submit_transfer
    sweep_all [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] [outputs=<N>] <address> [<payment_id>]
    sweep_below <amount_threshold> [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] <address> [<payment_id>]
    sweep_single [<priority>] [<ring_size>] [outputs=<N>] <key_image> <address> [<payment_id>]
    transfer [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] (<URI> | <address> <amount>) [<payment_id>]

    locked_transfer [index=<N1>[,<N2>,...]] [<priority>] [<ring_size>] (<URI> | <addr> <amount>) <lockblocks> [<payment_id>]