- support for ftp downloads
- HTTP basic authentication support (as an optional feature)
- handling of http redirections
- protocol version changed to 1.0 (to stop servers from requesting
chunked encoding)
- bugfix: in the case when content-length not given, wget didn't
download anything
- when attempting to continue an aborted download but server doesn't
support restarts, reopen output file in write mode
- changed assumption that existing file should restart an aborted
download. Now the user must explicitly specify this with -c
