Correct casts or entities of some common functions.
Rename "compute" function to "calculate". Function "compute" now returns a holder and function "calculate" returns an array.
Add debug option to simulations (to show arguments and results of formulas).
Correct typo in cast of ppe_coef argument in function ppe_base.
Use simulation debug option in tests.
Add missing filling of axes arrays.
Cast "age" argument in "_jeunes" (currently WRONG).
Add core test.
Remove column revdisp_i and cast revdisp arguments.
Remove column revnet_i and cast revnet arguments.
Remove column revini_i and cast revini arguments.
Remove column revprim_i and cast revprim arguments.
Migrating tests
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.