finish the conversion of nummatrix2d tests to kakapo. Also, fix all test failures
finish the conversion of nummatrix2d tests to kakapo. Also, fix all test failures

fernandobrito/parrot-linear-algebra,Whiteknight/parrot-linear-algebra,fernandobrito/parrot-linear-algebra,fernandobrito/parrot-linear-algebra,Whiteknight/parrot-linear-algebra,fernandobrito/parrot-linear-algebra