[FEATURE] Poll SQS for new messages and download from S3 when found

[mikeyavorsky]

1. Poll SQS queue
2. If a message exists in the queue
   2a. change visibility to high SQS.Client.change_message_visibility()
   2b. download from S3 at parsed.Records[0].s3.bucket.name + "/" + parsed.Records[0].s3.object.key and log success or failure
   2c. if download succeeds, delete message