Module-Pluggable

Simon, did you forget to remove a dependency you used only for testing? Yes, yes you did.

- Bump to v6.1.

Skip unreadable files (thanks Sven Schober @sschober)

Fix behaviour of File::Find and symlinks on certain versions of Win32 (thanks @thockar)

Ignore the .AppleDouble (thanks to Dave Cantrell @DrHyde)