Fix the namespace of the interface and add a test
Merge pull request #54 from harikt/interface

Fix the namespace of the interface and add a test
Typo fix.
Typo fix.

A quick fix to a typo I ran across while implementing a custom auth adapter.
Merge pull request #55 from marklocker/patch-1

Typo fix.
Merge pull request #56 from marklocker/patch-2

Typo fix.