* Fix - Address an issue with plans with fixed dates and some timezone configurations
* Misc - Drop the `woo-includes` folder and move plugin classes from `includes` to `src` folder
* Fix - Display the correct cart item subtotal when a customer adds more than a discounted subscription product to cart
* Fix - Address a potential issue in the shipping handler
* Fix - Add sanity checks before calling Sensei or LearnDash methods to avoid errors if old versions are installed
* Fix - Address a potential uncaught error in Sensei and LearnDash integrations when fetching dependent courses
