Version 5.0.2 - 2019-03-29
  * Adding doc file.
  * Adding tests.
  * Removing depends of sale_tax_included
Version 5.0.1 - 2019-03-28
  * Removing list_price field (not necessary here).
  * Changing original_unit_price to base_price.
Version 5.0.0 - 2019-03-18
  * Initial release
