- Creates cleaner browser history (no back button problems, etc.).

- Create trait to centralize fixture loading
- Eliminate unnecessary constants used by test process
- Reduce usage of hard-to-read relative paths

- Making the limit of records to retrieve per query in a batch query configurable

- Resolves VUFIND-1438.

- This allows the call to return proper data when checkouts are paged, even if slowly.

This could have been encountered in advanced search form.

- Catch HTTP client's exceptions in SierraRest driver (otherwise e.g. curl adapter's timeout exception goes unhandled).
- Be sure to include previous exception in ILS exceptions.