Storing queries RFC

At the moment, there is no way for a user to store a query or redo a query he did. I propose to add some way to store queries so that there could be a history of queries done. I am not sure that ccl is the better choice for that aim, and would rather store pqf and human description (since it could be good also to store queries on remote repositories).

Purpose is also to propose a way to easily go from one biblio to the next one in result list (it is allowed in ZOOM to get a precise result.)

This would add some kind of pagination bar on detail pages to browse the results of the query.