Add a new debug flag prevent_pline, which prevents all messages from going out to the UI. This prevents the tests from stopping for -more-. Add rudimentary tests for applying whistles, camera, and stethoscope.
how to use
- compile NetHack without DLB
- install
- copy the test lua files into the nethack playground dir
- start nethack in wizmode
- use wizloadlua extended command to load and run one of the test files.