Fix for CF resource timestamps with milliseconds
Fixed an error in the S3 tutorial examples.
Corrected some imports in the DDBv2 tutorial.
Fixed an error in the ``get_key_pair`` docstring.
never return more than 'limit' results from a query
and make sure we simulate the behavior of the actual ws call
Merge branch 'patch-cloudformation-resource-timestamp' into develop
Added tests for more Cloudformation timestamp changes.
Fixed more Cloudformation timestamp changes.