Bug Fixes header: make test_module of header! optional (a5ce9c59, closes #490) exporting test_header! macro (2bc5a779) http: keep raw reason phrase in RawStatus (8cdb9d5d, closes #497) Features client: add a Connection Pool (1e72a8ab, closes #363, #41) headers: Add If-Range header (a39735f1, closes #388)