Added an exit status of 5 when tracks are skipped during a rip attempt. Fixed a TypeError caused by a syntax error in the format string on line 537 in `whipper/command/cd.py`. Changed f-string to printf-style format string on line 493 in `whipper/command/cd.py`. Signed-off-by: blueblots <63152708+blueblots@users.noreply.github.com>