+ introduced IAMClient awsutils/iamclient.py for now only to help out SQSClient detecting the UserId
+ refactoring, SQSClient detects automatically the accNumber (UserId) using one IAM's getUser query at init, so accNumber is optional parameter where is used
- fixed S3Client bug where objectanme where not correctly added to the uri
+ started to expand a bit S3Client and s3.S3Bucket