[DISCONTINUED] Square Payment Gateway

Updated to v220.2

Release Notes:
- Fixed: credit card inputs not being loaded due to a missing inputClass
- Updated: added a work-around for a bug in the OpenCart 2.2 order editor

Updated to v230.1

Release Notes:
- NOTE: This version is fully compatible with OpenCart 2.3.0.x by using the OpenCart 2.3 Extension Compatibility Fix, which is provided for free with the purchase of the extension

- Added: a note in the admin panel that you can ignore the "OAuth" portion of the page at connect.squareup.com/apps
- Fixed: error in OpenCart 2.3 when the Charge Mode is set to "Authorize if possibly fraudulent, Capture otherwise"
- Fixed: "country in body should be one of..." error when no shipping address is present
- Fixed: stored cards could not be deleted
- Updated: added a work-around for bugs caused by third-party checkouts that add blank data to the return value

Updated to v230.2

Release Notes:
- Added: loading icon while the Square payment form fields are loaded
- Added: the postcode is now prefilled based on the billing postcode

- Fixed: "Value was not expected to be a array (line 1, character 1)" error when capturing payments

- Updated: Square has a minimum order value of $1.00, so a check was added for this in the code
- Updated: error warning about non-https URLs for live payments should now work better for servers that don't set HTTPS variables properly
- Updated: instructions.txt file to include edits needed for Journal checkout

Updated to v300.1

Due to limitations in the opencart.com license system, a new extension was released on opencart.com for OpenCart 3.0 compatibility. However, free updates are still available for anyone that has purchased the extension in July 2016 or after --- just contact Clear Thinking here: http://www.getclearthinking.com/contact

Release Notes:
- NOTE: Due to a change in function names, orders placed before this version will not be able to be refunded in the order history area. If you need to do these actions, you can so in your Square admin panel.

- Added: compatibility with OpenCart 3.0.0.x
- Added: native compatibility with OpenCart 2.3.0.x (You can remove the compatibility fix, or keep using it if you want to)
- Fixed: refunded or partially refunded orders would still get an order status assigned even when they're not set to
- Fixed: "Provided value for `phone_number` is invalid" error
- Removed: compatibility with OpenCart 1.5.x and 2.0.0.0 for new versions
- Updated: added a few styling edits for compatibility with quick checkouts

Updated to v302.1

Release Notes:
- NOTE: Starting with this version, all template files will use the .twig extension. These will still work completely fine on OpenCart 2.x versions, and still use the .tpl-type syntax. However, if you've made edits to the .tpl file, you'll need to port those edits over to the new file.

- Confirmed: compatibility with OpenCart 3.0.2.x
- Fixed: "squareRefund is not defined" error

Updated to v302.2

Release Notes:
- Fixed: refund info wasn't being recorded on OpenCart 3 versions
- Fixed: refund info wouldn't be recorded to the order history if the "Refunded" order status was set to "--- Ignore ---"
- Updated: the transaction API call now includes the "buyer_email_address"