mod() function unit test.
Imp mod function. #7
Merge commit '9356dca0ef503bea8d0ede0d36bdc9f30c2ef212' into develop

* commit '9356dca0ef503bea8d0ede0d36bdc9f30c2ef212':
  Imp mod function. #7
  mod() function unit test.

Conflicts:
	test/test_computeUtil.js