Support nil *Cache values in Clear and Close#119

Merged

jarifibrahim merged 4 commits intohypermodeinc:masterfrom damz:pr/nil-values

Jan 14, 2020

+58-2

Commits on Jan 11, 2020

Fix TestPolicyAdd test
damz
committed

Commits on Jan 13, 2020

Add support for nil value to Clear and Close
damz
committed

Commits on Jan 14, 2020