[Bug fix] Protected files in / cause error

On windows when typing / or \ the fs.statSync fails due to the file c:/hiberfil.sys, or others similar, not being readable.
This causes a fatal error.
Putting in this try catch statement allows for this to go wrong and will just move on regardless
Fix for issue #13
Merge pull request #16 from edlongman/patch-1

[Bug fix] Protected files in / cause error