greese/dasein-cloud-aws — pull request #81 by amynbe (2014-01-16 14:45:21+00:00)
Title: [bugzid:3749] More granular exceptions

- EC2Exception and S3Exception now extend CloudException
- Added CloudErrorType in those.
- Added basic message string matching to identify Auth errors in
EC2Exceptions. More investigation is needed to handle all cases.