Extend the 'Show' instance for 'Response'.
Extend the 'Show' instance for 'Response'.

Now shows cookies.

TODO: Remove duplication.

snapframework/snap-core,sopvop/snap-core,sopvop/snap-core,snapframework/snap-core,23Skidoo/snap-core,23Skidoo/snap-core,snapframework/snap-core,sopvop/snap-core,23Skidoo/snap-core