[WM JE] add CWD to allowed FTP commands because testing client lib runs it
[WM JE] add CWD to allowed FTP commands because testing client lib runs it

Is this safe? Do we need to do anything to make sure clients can't change to /tmp and fill the disk (for example)?

The alternative would be to fork & fix the client lib or approach testing differently.

democracyworks/s3-ftp