refactored test/function/statistics and test/function/trigonometry to mocha
refactored test/function/unit and test/function/utils to mocha
moved the remaining tests to mocha
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	test/function/utils/select.test.js
	test/type/matrix.test.js
	test/type/range.test.js
Fixed failing unit tests
Merge branch 'develop' into index