renamed binary_detail namespace to variant_detail
renamed binary_detail namespace to variant_detail

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