* Add 'librespot' (new name for 'spotify'), 'alsa', 'tcp'. * Add a warning about the spotify -> librespot rename. * Fix the deprecated example `mode = "listen"` for type 'pipe'. * Update the tests to include a straightforward 'tcp' test.
The library does not depend on stdenv, that `stdenv` exposes `lib` is an artifact of the ancient origins of nixpkgs.
Checks - if all configured ports are listened on - if all pipes for multiple streams get set up - if rpc interaction is possible