scheme/sandbox: Updated get-output and get-error-output to function properly regardless of user language.  Previously, it relied on #%app and #%datum behaving similarly to the scheme language.
scheme/sandbox:
Updated get-output and get-error-output to function properly regardless of user
language.  Previously, it relied on #%app and #%datum behaving similarly to the
scheme language.

svn: r10251

mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket,mafagafogigante/racket