Merge pull request #64 from jeffswartz/v2.2-docs

revisions to the readme file.
minor edit to readme file.
add tests for expired archives and archives with unknown properties, fixes #65
adds mocks for new tests
Merge pull request #66 from aoberoi/issue-65

add tests for expired archives and archives with unknown properties, fix...
Docs corrections

- New archive status: expired.
- Support for Windows Azure contains for archive file uploads.
New generated reference docs.