* fixed all uses of deprecated clap methods
* updated all uses of clap to 4.0
* unified obtaining build information
* moved around the imports
* Moved all nym-api arguments to ApiArgs and simplified parsing
* Using common shutdown signal code
* Using clap for parsing Vec<Url>
* stricter validation of socks5-client arguments
* ibid for the native client
* ibid for the gateway
* ibid for the mixnode
* clippy
Jędrzej Stuczyński