Fix lazy load bug where query_string terms were busted cheap

See: https://github.com/GigaOM/legacy-pro/issues/2812
Merge pull request #38 from borkweb/2812-query-append-for-wijax-lazy-load-fix-plus-some-other-words-to-make-this-really-long-and-screw-with-casey

Fix lazy load bug where query_string terms were busted cheap