c-c source-sync now actually force synchronization
as advertized by its help message. This was because "force" argument wasn't
considered by acquire_synchronization_lock().
Data as objects
===============
In this chapter, we will introduce the objects that are used to handle
the logic associated to the data stored in the database.
.. toctree::
:maxdepth: 1
data-as-objects
load-sort
adapters
application-logic