Don't list the test cases to be run in commpre.nmk: list them instead in testrun.bat for consistency with other platforms.
Format lists of files and test cases with one per line so that merges are easier.
Improve testrun.bat: better success/failure output; fewer gotos.
Replace hex constant 9024EAC8 (GOTNEACH) with 4026EAC8 (NOTREACH).