fixed issue with cereal load percentage.  adding derived class performance
fixed issue with cereal load percentage.  adding derived class performance

guker/cereal,JosephLaurino/cereal,heamon7/cereal,abutcher-gh/cereal,stevehickman/cereal,USCiLab/cereal,arvidsson/cereal,syxolk/cereal,headupinclouds/cereal,syxolk/cereal,jkhoogland/cereal,abutcher-gh/cereal,vcatechnology/cereal,stevehickman/cereal,USCiLab/cereal,sschaetz/cereal,headupinclouds/cereal,vcatechnology/cereal,fawkes74/cereal,adasworks/cereal,guker/cereal,arvidsson/cereal,lyager/cereal,fawkes74/cereal,RobertoMalatesta/cereal,jkhoogland/cereal,RobertoMalatesta/cereal,sschaetz/cereal,adasworks/cereal,heamon7/cereal,JosephLaurino/cereal,jonathan-beard/cereal,lyager/cereal,jonathan-beard/cereal