message: Persian UP: additional stability for recently conquered cities
diff: @@ -819,9 +819,12 @@ def calculateStability(iPlayer):
  iExpansionStability += iCorePeripheryStability
  # recent expansion stability
  - iRecentExpansionStability = iRecentlyFounded + iRecentlyConquered
  + iConquestModifier = 1
  + if bConquest: iConquestModifier += 1
  + if iPlayer == iPersia: iConquestModifier += 1 # Persian UP
  - if bConquest: iRecentExpansionStability += iRecentlyConquered
  + iRecentExpansionStability += iRecentlyFounded
  + iRecentExpansionStability += iConquestModifier * iRecentlyConquered
  lParameters[iParameterRecentExpansion] = iRecentExpansionStability
  