Issue #179 : Updated Saxon-HE to version 9.7.0-18 and added XSLTFilter option to `usePool` to see if caching might be responsible for issue.
Issue #179 : Updated Saxon-HE to version 9.7.0-18 and added XSLTFilter option to `usePool` to see if caching might be responsible for issue.

gchq/stroom,gchq/stroom,gchq/stroom,gchq/stroom,gchq/stroom,gchq/stroom