test9 :: test did not prove rename was working

this confirms #40

Signed-off-by: BlackEagle <ike.devolder@gmail.com>
fix check if files are outside basepath

When files are outside of the basepath, the files are being used
canonicalized (absolute path), but the basedir was used relative.
This leads to errors when extra files are added for rename.

this resolves #40

Signed-off-by: BlackEagle <ike.devolder@gmail.com>