Made main() return an error code if tests failed; this correctly causes make to fail if tests fail.
Made main() return an error code if tests failed; this correctly causes make to fail if tests fail.
keithn/seatest,MicBrain/seatest,keithn/seatest,keithn/seatest,MicBrain/seatest,MicBrain/seatest,MicBrain/seatest,keithn/seatest