setwhom should also retunr a pointer to front object
Created by: odadoun
In goal multiple DB analysis, setwhom should return also a pointer to a frontend object to be able to do
a=cf.setwhom('spf') & the for instance: A =a.get(...) b=cf.setwhom('jhu') & then for instance: B= b.get(...)
this to avoid the db reloading ...