isArray should only test the Array namespace
isArray should only test the Array namespace


Former-commit-id: 28d5f33b168e7e4fd9afbf728ee17362fbe61c53 [formerly 3ec0a2bf8aabb5eef80ca8f17668806385f811a3]
Former-commit-id: 44d19488233bd4c1035afe3abe070babc3cc94a7
romancow/Sugar,romancow/Sugar,andrewplummer/Sugar,andrewplummer/Sugar