Fixes#227Fixes#174
docs(cli): be more precise in print-events advice to use `-v`
docs(cli): improve jaq error help
feat(cli): add `-W` for non-recursive watches
feat(cli): use non-blocking logging
feat(globset): hide `fmt::Debug` spew from ignore crate
feat(ignore-files): hide `fmt::Debug` spew from ignore crate
feat(lib): make it possible to watch non-recursively
fix(lib): inserting `WatchedPath`s directly should be possible
refactor(lib): move `WatchedPath` out of `fs` mod
