fixes a typo
adds a scope to openstack status localization.
adds some commodity functions to query the server status.
Version bump to 0.1.11
Regenerate gemspec for version 0.1.11
refactor token management (internals)
Version bump to 0.1.12
Regenerate gemspec for version 0.1.12
Merge pull request #6 from dguerri/master

Minor refactoring and fixes