Merge commit '3b97e5a6270f40111117c4d3f1e964154ddea0fe' * commit '3b97e5a6270f40111117c4d3f1e964154ddea0fe': Make HTTP Header class handle multiple cache-control fields.
Merge commit '3b97e5a6270f40111117c4d3f1e964154ddea0fe' * commit '3b97e5a6270f40111117c4d3f1e964154ddea0fe': Make HTTP Header class handle multiple cache-control fields.