If a user passes `--input foo`, print "Searching `foo` for files…",
instead of the resolved, absolute path to `foo`, since the former is
what the user typed in.
This was way harder, and had way more edge cases, than I thought it would
be!
One takaway, lexical path cleaning is excellent.
type: changed
fixes:
- https://github.com/casey/intermodal/issues/252
- https://github.com/casey/intermodal/issues/332
