Schemec: Beefing up with some more test-harness and tests
Schemec: Beefing up with some more test-harness and tests

Redo the testing a bit so it always returns
a value.

Add some more cases.

Test plan:
* go run compiler.go now returns different integers
  that all should pass.

jonaslu/thatswhatsup,jonaslu/thatswhatsup,jonaslu/thatswhatsup,jonaslu/thatswhatsup,jonaslu/thatswhatsup