message: Plague does not downgrade Village, Hamlet, Cottage
diff: @@ -353,12 +353,12 @@ class Plague:
  iImprovement = pPlot.getImprovementType()
  if iImprovement == iTown:
  pPlot.setImprovementType(iVillage)
  - elif iImprovement == iVillage:
  - pPlot.setImprovementType(iHamlet)
  - elif iImprovement == iHamlet:
  - pPlot.setImprovementType(iCottage)
  - elif iImprovement == iCottage:
  - pPlot.setImprovementType(-1)
  + #elif iImprovement == iVillage:
  + # pPlot.setImprovementType(iHamlet)
  + #elif iImprovement == iHamlet:
  + # pPlot.setImprovementType(iCottage)
  + #elif iImprovement == iCottage:
  + # pPlot.setImprovementType(-1)
  if pPlot.isCity():
  if (city.getX(), city.getY()) == (x, y):
  self.killUnitsByPlague(city, pPlot, 0, 100, 0)
  