Some tidyup, and fix to the following

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. We have had a reader report the following behaviour which I've been able to replicate (with Tomcat, taking the Apache RP out of the mix).

This is the search the reader is doing: http://search.records.nsw.gov.au/search?q=%22date%20of%20death%22&series=13660. If you mouse over the navigation buttons at the bottom, the link for the next page is: http://search.records.nsw.gov.au/search?page=2&size=30&q=. Note the query string and series filter are missing.