Add test to verify GetFrom(checkpointtoken) doesn't stop enumerating at pagesize

Issue was already fixed since 9/10/2013, this test asserts the behavior.
Revert "Add test to verify GetFrom(checkpointtoken) doesn't stop enumerating at pagesize"

This reverts commit 8d2d310437fb60648b124bab9f42a75ef9d7baa9.
Add test to verify GetFrom(checkpointtoken) doesn't stop enumerating at pagesize

Issue was already fixed since 9/10/2013, this test asserts the behavior.
Merge pull request #279 from ymotton/master

Add test to verify GetFrom(checkpointtoken) doesn't stop enumerating at ...