A new helper header file so_5/all.hpp has been added in v.5.4.0. It allows to include just one header file in your .cpp-file and gets access to all SObjectizer's public stuff. For example:

#include <so_5/all.hpp>

instead of

#include <so_5/rt/h/rt.hpp>
#include <so_5/api/h/api.hpp>
#include <so_5/disp/one_thread/h/pub.hpp>
#include <so_5/disp/active_group/h/pub.hpp>