~jpastuszek/file-owner

(cargo-release) version 0.1.1
compile empty on non-unix systems
require minimum nix version that works
made tests portable
(cargo-release) start next development iteration 0.1.0
mark tests requiring root as ignored
Path extension trait
Display impl for Owner and Group
use safe casting for id; use u32 for id
initial work on getting owner and group
initial work on set_owner/group