v6.0-alpha.25: * Issue **#779** : Fix permissions defect.

 * Issue **gchq/stroom-expression#22** : Add `typeOf(...)` function to
 dashboard.

 * Uplift stroom-expression to v1.4.1

 * Issue **#766** : Fix NullPointerExceptions when downloading table
 results to Excel format.

 * Issue **#770** : Speculative fix for memory leak in SQL Stats
 queries.

 * Issue **#761** : New fix for premature truncation of SQL stats
 queries due to thread interruption.