Updated download utility so that it tries to download via ftp using wget.
If that fails it tries to download via ftp using curl
If that fails it defaults to download via https via urllib as before.
Also updated README with missing download cmd example
Updated download utility so that it tries to download via ftp using wget. If that fails it tries to download via ftp using curl If that fails it defaults to download via https via urllib as before. Also updated README with missing download cmd example