file-sniffer 0.1.17

Command-line tool to find build artifacts and junk on your computer.
Documentation
- [ ] make sure `./bash/build_all` works
- [ ] make sure `cargo test` works
- [ ] make sure `./ion/testbench` is either
  1. faster OR
  2. substantially better in some way/fixes a bug
- [ ] likewise for `cargo bench`
- [ ] run `cargo clippy`
- [ ] upload binaries for major releases
- [ ] sleep > release