Add test to validate param_actu_IPP.xml file.
Cleanup spaces in param_actu_IPP.xml file.
Correct obvious errors in param_actu_IPP.xml file.
Remove unused "taille" attribute from param_actu_IPP.xml file.
Comment out incomplete VALUE element.
Add __init__.py in tests directory.
Move enumerations in their own module.
Move baremes into their own module.
Rename OpenFisca-Core utils module to statshelpers.
Change "src.countries.france" to "openfisca_france".
Cleaning code
Add nose testing within python file