- Added thread_safe_store_test exercising new index backing string set delete at 0 functionality.
- TestThreadSafeStoreDeleteRemovesEmptySetsFromIndex logic nesting inverted.
- Added test case for usage of an index where post element delete there is non-zero count of elements and expect the set to still exist.
- Fixed date.
- Fixed awprice nits.
- Fix bazel.
Kubernetes-commit: 6c65bb78817f8d5de37042d57f6a5483cdd58c5b