fix #184 by wrapping unsafe OBJC_ASSOCIATION_ASSIGN references with containers
fix #184 by wrapping unsafe OBJC_ASSOCIATION_ASSIGN references with containers

ichu501/DZNEmptyDataSet,bsmash/DZNEmptyDataSet,apassant/DZNEmptyDataSet,kaich/DZNEmptyDataSet,bsmash/DZNEmptyDataSet,ichu501/DZNEmptyDataSet,ichu501/DZNEmptyDataSet,duanhjlt/DZNEmptyDataSet,TheAdamBorek/DZNEmptyDataSet,dzenbot/DZNEmptyDataSet,ichu501/DZNEmptyDataSet,bsmash/DZNEmptyDataSet