message: Add Python constant for Paddy Field
diff: @@ -1623,9 +1623,10 @@ iNumEras = 7
  #Improvements
  -iNumImprovements = 27
  -(iLandWorked, iWaterWorked, iCityRuins, iHut, iFarm, iFishingBoats, iHighSeaFishingBoats, iWhalingBoats, iMine, iWorkshop, iLumbermill, iWindmill, iWatermill, iPlantation,
  -iSlavePlantation, iQuarry, iPasture, iCamp, iWell, iOffshorePlatform, iWinery, iCottage, iHamlet, iVillage, iTown, iFort, iForestPreserve) = range(iNumImprovements)
  +iNumImprovements = 28
  +(iLandWorked, iWaterWorked, iCityRuins, iHut, iFarm, iPaddyField, iFishingBoats, iHighSeaFishingBoats, iWhalingBoats, iMine,
  +iWorkshop, iLumbermill, iWindmill, iWatermill, iPlantation, iSlavePlantation, iQuarry, iPasture, iCamp, iWell,
  +iOffshorePlatform, iWinery, iCottage, iHamlet, iVillage, iTown, iFort, iForestPreserve) = range(iNumImprovements)
  iNumImprovements = 28
  (iLandWorked, iWaterWorked, iCityRuins, iTribalVillage, iFarm, iFishingBoats, iHighSeaFishingBoats, iWhalingBoats, iMine, iWorkshop,
  