Add support for Kinesis PutRecords operation. It writes multiple
data records from a producer into an Amazon Kinesis stream in a
single call.
Add support for IAM GetAccountAuthorizationDetails operation. It
retrieves information about all IAM users, groups, and roles in
your account, including their relationships to one another and
their attached policies.
Add support for updating the comment of a Route53 hosted zone.
Fix base64 serialization for JSON protocol services.
Fix issue where certain timestamps were not being accepted as
valid input (botocore issue
389)