changes for 1.1
---------------
- corrected a bug that affected the next/previous buttons when viewing an image 
  (thanks to Stephen Moore).
- added photo_root option, now you can specify the albums root phisical path and 
  the URI.
- added rawurlencode and rawurl when making links, now you can use spaces and '&'
  in your image names (thanks to Ricky Tang).
- implemented thumbnails per page options
- added album title/description, you must create a file in the album dir named
  "info.txt", the first row is the album name, the other rows make the description
- added a simple album/image hits counter
