handle 401 exception correctly if thrown in controller
handle 401 exception correctly if thrown in controller

this change is needed because of a change in zf
fixes test

kaufmo/koala-framework,koala-framework/koala-framework,koala-framework/koala-framework,kaufmo/koala-framework,yacon/koala-framework,nsams/koala-framework,yacon/koala-framework,yacon/koala-framework,nsams/koala-framework,nsams/koala-framework,kaufmo/koala-framework