[UPDATED] Optional Fee/Discount

Updated to v303.2

Release Notes:
- Added: "L + W + H" rule, to calculate the sum of all dimensions of a product
- Added: "Price" rule, to compare individual product prices (ignoring the quantity of the item in the cart)

- Fixed: "Postcode" rules didn't work if the value was blank
- Fixed: Flat Charges with { and } weren't working correctly
- Fixed: issue with questions using only non-English characters

- Updated: improved the Google Maps error messages to be more verbose

Updated to v303.3

Release Notes:
- NOTE: The "Setting Override" rule for "config_address" has been replaced with a dedicated "Origin" rule, used to set the origin address for distance calculations. You will need to update your configuration to use this new rule after updating. To avoid losing the addresses you've input, make sure you use the Backup Settings button before updating. If you want help converting your rules over, please contact Clear Thinking.

- Added: "Origin" rule to replace the "Setting Override: config_address" rule
- Added: ability to set a time within a "Date" rule, to have the cutoff point be on a specific date + time (e.g. 2021-02-26 15:00)
- Fixed: "Stock" rules were not factoring in option stock levels
- Updated: Cart/Item Criteria rules involving length, width, or height now use the product base value instead of the total value based on quantity

Updated to v2022-7-06

Release Notes:
- NOTE: Starting with this release, version numbers will now be based on the date the new version is released.

- Added: compatibility with OpenCart 4.0.0.x
- Added: improvements to the Testing Mode log

- Fixed: copying rows when using auto-saving would not copy every setting
- Fixed: bug with the change to Cart/Item Criteria rules involving dimensions

- Updated: reloading the page will now automatically select the same tab

Updated to v2023-5-01

Release Notes:
- Added: compatibility with OpenCart 4.0.1.x - 4.0.2.x
- Added: new "Check For Updates" button with one-click update functionality
- Added: "is" and "is not" comparisons for "Date" rules

- Fixed: problems when tooltips were disabled in OpenCart 4.0 versions
- Fixed: "Automatic conversion of false to array" error in PHP 8.1
- Fixed: number format issue when using { and } calculations

- Updated: better guest detection for certain OpenCart versions

Updated to v2023-12-04

Release Notes:
- Fixed: billing address detection was not always correct in OpenCart 4.0.2.x
- Fixed: "Undefined index: Choose rule type" error when saving a blank rule
- Fixed: empty choices would still be set in the session data

- Updated: the Testing Mode log size check now happens on the front-end rather the admin panel, to more reliably stop log files from growing over 50 MB
- Updated: only the first 5 digits of the zip code is now considered when evaluating "Postcode" rules when the country code is US

Updated to v2024-11-20

Release Notes:
- Fixed: occasional issue when vouchers are in the cart
- Fixed: error message when curl connection to Google Maps fails
- Fixed: distance calculations failing due to a Google Map API encoding change
- Fixed: calculation bug when dimension rules were used with "of entire cart"
- Fixed: warnings when a registered customer does not have an address saved

- Updated: saved rules are now sorted by type
- Updated: improved compatibility with the OpenCart 4.0 order editor for customer-based rules