Initial version of sorted
Initial version of sorted

Yields iterators rather than references.

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