------------------ - Pass in kwargs into ``AWSClientException``
0.4.0
------------------ - Add support for the AWS_DEFAULT_REGION environment variable - Cleanup retry requests - Ensure HTTPClient usage is new and not out of a shared pool
0.3.0
------------------ - Make authentication work with EC2 Instance metadata, add async support for credential fetching
0.2.0
------------------ - Add support for fetching credentials and region from EC2 Instance metadata