message: Correct city flips for civs with extended birth areas
diff: @@ -389,7 +389,7 @@ class Birth(object):
  ownerCities = cities.all().area(self.location).where(lambda city: city.getOwner() in owners).where(lambda city: not plot(city).isCore(city.getOwner()))
  closerCities = ownerCities.where(lambda city: real_distance(city, self.location) <= real_distance(city, capital(city)) and real_distance(city, self.location) <= 12)
  - additionalPlots = closerCities.plots().expand(2).where(lambda p: p.getOwner() in owners and none(p.isCore(iPlayer) for iPlayer in players.major().alive().without(self.iPlayer)))
  + additionalPlots = closerCities.plots().expand(2).where(lambda p: p.getOwner() in owners and none(p.isPlayerCore(iPlayer) for iPlayer in players.major().alive().without(self.iPlayer)))
  self.area += additionalPlots
  self.area = self.area.unique()
  