Liscense Update Merge branch 'master' of https://github.com/ryanhaining/cppitertools
Liscense Update
Merge branch 'master' of https://github.com/ryanhaining/cppitertools

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