Some clean-ups for URL
3 patches for repository http://darcs.net:
Sun Aug 5 14:46:40 BST 2012 Owen Stephens <darcs@owenstephens.co.uk>
* Move download filename creation into separate function in URL
Sun Aug 5 16:32:57 BST 2012 Owen Stephens <darcs@owenstephens.co.uk>
* Tidy/Style URL.hs
Sun Aug 5 16:32:59 BST 2012 Owen Stephens <darcs@owenstephens.co.uk>
* Remove some duplicate code in URL.hs