extended the description for exit code 9

.IP 8

FTP weird server reply. The server sent data curl couldn't parse.

.IP 9

FTP access denied. The server denied login.

FTP access denied. The server denied login or denied access to the particular

resource or directory you wanted to reach. Most often you tried to change to a

directory that doesn't exist on the server.

.IP 10

FTP user/password incorrect. Either one or both were not accepted by the

server.