Contract 7.1.13

The battle tools after the Elixir Gym's fifth run on them (feedback #300-#301).

• A clan segment ('mine' or {clan_tag}) says it applies the clan's membership as of the call to the whole window: today's members' battles count, including ones from before they joined, and members who have left since do not. The collection segment and clans_standings already said so (#300).

Additive.