sq, the Sequoia-PGP command line tool

Sequoia-PGP is an implementation of OpenPGP in Rust. It includes a suite of
library crates, which are meant to be used from applications.
This crate provides the 'sq' command line application.
'sq' is aimed at command line users as a way to use OpenPGP conveniently from
the command line.

See the sq user guide for instructions:
https://sequoia-pgp.gitlab.io/sq-user-guide/

The program also has built-in help, using the --help option and help subcommand.