Changes

* Active: Ability mods on higher tier items, for example: "Strike A Nerve cause your Sprint speed to increase by 10 for 10 seconds"* Passive: Sprint speed mods on various items, such as the +1 to sprint speed on the "Amulet of the Rugged Traveler", "Ring of Jaunty Traipsing", or the +2 sprint speed on boots with the word "Windstep" in their title. These passive sprint mods stack.