A few more tweaks to URL - a bit of haddock and style tidies, and use of Maybe
rather than checking for empty error messages to check for potential errors.
2 patches for repository http://darcs.net:
Sat Aug 18 23:26:59 BST 2012 Owen Stephens <email@example.com>
* Add some haddock and a few tweaks to URL.hs
Sat Aug 18 23:27:15 BST 2012 Owen Stephens <firstname.lastname@example.org>
* Use a Maybe String rather than checking for null string in URL download errors