message: No stability checks for civs that are already scheduled to collapse
diff: @@ -301,6 +301,9 @@ def checkStability(iPlayer, bPositive = False, iMaster = -1):
  bVassal = (iMaster != -1)
  + # no check if already scheduled for collapse
  + if data.players[iPlayer].iTurnsToCollapse >= 0: return
  +
  # vassal checks are made for triggers of their master civ
  if gc.getTeam(pPlayer.getTeam()).isAVassal() and not bVassal: return
  