[plt-scheme] Cleanup on servlet timeout

On 2008-07-28, Robby Findler <robby at cs.uchicago.edu> wrote:
> What does the database connection look like? Is it via the C ffi, or a
>  network connection or something else?

The database handle comes directly from the sqlite library, through
the lib/foreign ffi. sqlite runs in the same process as mzscheme,
since it's simply a library.

    Henk