Pushing search results alter from manidora to book
Named the form elements the same as the variables used in
variable_get/set.
Merge pull request #58 from daniel-dgi/7.x

Pushing search results alter from manidora to book
Merge pull request #57 from adam-vessey/7.x

Check if the parent actually loaded, before trying to set its thumbnail....
Avoid squashing data down to only PIDs.

This should allow additional data to be passed through, such as
page dimensions.
Wrap OCR-specific stuff in a module_exists() check, so it stops breaking...