Ismael Luceno

As reported by @makunterry, the `SIZE` command is returning an incorrect value. ## Example session ``` $ axel ftp://ftp.info-zip.org/pub/infozip/src/unzip60.tgz Initializing download: ftp://ftp.info-zip.org/pub/infozip/src/unzip60.tgz File size: 1377715 bytes Opening output file unzip60.tgz...

Basic Metalink support should not be difficult. If possible, avoid XML parsing.

Support end-to-end integrity checks

2

- [ ] [`RFC1864`](https://www.ietf.org/rfc/rfc1864.txt) - `Content-MD5` header (deprecated by [rfc7231](https://tools.ietf.org/html/rfc7231#appendix-B)) - [ ] `Digest` header

HTTP header may contain `Link:` fields, as specified by [`RFC5988`](https://tools.ietf.org/html/rfc5988). Interesting relations: - `duplicate` => a mirror - `describedby` => may reference torrents, metalinks, etc.