Added constraints on pagination low/high.
Added constraints on pagination low/high.

bobsilverberg/moztrap,shinglyu/moztrap,mccarrmb/moztrap,mozilla/moztrap,bobsilverberg/moztrap,shinglyu/moztrap,mozilla/moztrap,bobsilverberg/moztrap,mozilla/moztrap,mccarrmb/moztrap,mccarrmb/moztrap,shinglyu/moztrap,bobsilverberg/moztrap,mozilla/moztrap,mccarrmb/moztrap,shinglyu/moztrap,mccarrmb/moztrap,shinglyu/moztrap,mozilla/moztrap