message: Civs without respawn interval cannot be released
diff: @@ -1568,13 +1568,15 @@ class RFCUtils:
  if iGameTurn - data.players[iPlayer].iLastTurnAlive < self.getTurns(10): return False
  # check if the civ can be reborn at this date
  - if len(tResurrectionIntervals[iPlayer]) > 0:
  + if tResurrectionIntervals[iPlayer]:
  for tInterval in tResurrectionIntervals[iPlayer]:
  iStart, iEnd = tInterval
  if getTurnForYear(iStart) <= iGameTurn <= getTurnForYear(iEnd):
  break
  else:
  return False
  + else:
  + return False
  # Thailand cannot respawn when Khmer is alive and vice versa
  if iPlayer == iThailand and gc.getPlayer(iKhmer).isAlive(): return False
  