finished writing methods to get new ENV vars, and tests for those methods
merged master
Merge pull request #17 from censhin/implement-get-env

OpenStack ENV Variables
Fixed lingering merge issue.
fixed const tests to reflect changes
added tests for new openstack constants
Merge pull request #21 from censhin/fix-identity-tests

Fix Identity Tests
Updated the namespace.
Merge pull request #23 from oubiwann/update-api

Updated the namespace.