updating docs for isBetween
updating docs for isBetween


Former-commit-id: c3d90ed9f0efe0c1597771951852f8c2e88dc4b8 [formerly 34d271ddc010cc70ad1cb7070310da2598241df4]
Former-commit-id: eaa7f9684d199416c2e717459c558454afc53d00
andrewplummer/Sugar,romancow/Sugar,andrewplummer/Sugar,romancow/Sugar