*** WooCommerce Volume Discount Coupons ***

2019-04-18 - version 1.5.0
*Updated compatibility with WooCommerce 3.6.

2018-03-06 - version 1.4.0
* Updated compatibility with WooCommerce 3.3.
* Updated compatibility with WordPress 4.9.
* Updated the translation template.

2017-05-03 - version 1.3.0
* Updated the plugin for WooCommerce 3.x compatibility.
* Improved internal definitions to maintain functionality with alternate
  WP_CONTENT_DIR and WP_CONTENT_URL definitions.

2015-11-18 - version 1.2.3
* Fixed an issue where two coupons would not be applied at the same time due to
  internal incorrect validation.

2015-10-28 - version 1.2.2
* Fixed a fatal error related to the use of empty on non-variables with PHP < 5.5.
* Fixed an issue which could appear under certain conditions (auto-apply and individual use coupon
  already applied to the cart and another auto-apply coupon attempted to be added too), where
  the system would try to apply a coupon which would not be valid for the cart and make it impossible
  to proceed with checkout.

2015-10-23 - version 1.2.1
* Fixed infinite recursion issue for auto-apply coupons with individual use.

2015-02-19 - version 1.2.0
* WooCommerce 2.3.x compatible
* Improved quantity checks so that min and max conditions can be used
  to check the total cart quantity without the need to indicate products
  or categories.
* Improved admin UI and moved Volume Discount options on coupons to their
  own tab.

2014-03-10 - version 1.1.4
* Improved currency symbol rendering more consistent with WooCommerce settings.

2014-01-27 - version 1.1.3
* Translation template added.

2014-01-20 - version 1.1.2
* Guarded against woocommerce_coupon_options action invoked during save.
* Changed use of add_message to wc_add_notice for WC 2.1+.
* Using woocommerce_get_formatted_product_name substitute (WC 2.1)

2013-11-18 - version 1.1.1
* fixed a bug due to a typo in a variable related to excluded product IDs

2013-09-12 - version 1.1.0
* added options to show a customized message, the coupon description and
  the volume discount info when a coupon is applied automatically
* fixed bug comparing category sums to mininum and maximum in conjunction
* improved automatic coupon handling so that those applied are removed
  when not valid anymore

2013-08-29 - version 1.0.0
* Initial release
