Cast arguments of functions  revnet & revini.
Rework check_csk, check_csg & check_crds.
Comment out logging messages.
Code cleanup.
Remove function  _maj_cga_i and rework _maj_cga.
Cast arguments of _bouclier_imp_gen function.
Remove useless id..., qui..., etc, columns.
Add test for each column and each year. Rework existing core tests.