- Ensuring always has braces
- No parens printed for function/method calls with 0 args

printing of cegis result

Fix how names are printed
Fix how tests are ignored
Ignore correct tests

NonEmptyArray is required to be nonempty
Allow arbitrary expression as length in CodeGeneration
Handle FiniteArray in valueToJVM
Add integration tests
finiteArray makes EmptyArray for arrays of size 0
Fail when z3 returns negative size array