[IMP] - account_withholding_tax_commissions: Improved move format.
[IMP] - account_withholding_tax_commissions: Improved holding taxes format.
[IMP] - account_withholding_tax_commissions: Improved holding taxes format.
[IMP] - account_withholding_tax_commissions: Improved holding taxes format.
[IMP] - account_withholding_tax_comissions: Fixed restriction methods, views, menus and actions.
[IMP] - account_withholding_tax: Remamed fields again and started change the core functionality.
[REF] - Refactored voucher functionality
[IMP] - changes in withholding taxes calculations.
[REF] - account_withholding_tax_comissions: Modified move_line_creation.