wget, partially re-implemented in go.

• Standard http & https requests
• Progress bar and speed reporting. tested on Linux & Windows
• --output-document
• --continue
• SSL: --no-check-certificate & --secure-protocol
• --default-page=index.html

• --http-user , --http-password --auth-no-challenge
• --proxy-user, --proxy-password
• --header, --save-headers, --referer, --user-agent, --post-data, --content-disposition
• --certificate,--ca-certificate,...

• ftp protocol
• --recursive (for archiving websites) and --warc- options

• parallelize multiple requests
• Hopefully: parallelize a large request using 'Range' header, much like --continue
• 'known hosts' support for SSL