persistent key/value storage for Ocsigen (support library) (runtime)

 This library defines signatures and auxiliary tools for defining
 backends for the Ocsipersist frontend. Ocsipersist is used
 pervasively in Eliom/Ocsigen to handle sessions and references. It
 can be used as an extension for ocsigenserver or as a
 library. Implementations of the following backends currently exist:
 PostgreSQL, SQLite.
 .
 This package contains runtime files.