Adds support for initializer_list
Adds support for initializer_list

ryanhaining/cppitertools,jkhoogland/cppitertools,tempbottle/cppitertools,ryanhaining/cppitertools,tempbottle/cppitertools,ryanhaining/cppitertools,jkhoogland/cppitertools,tempbottle/cppitertools,jkhoogland/cppitertools