Version: 1.6.0
* Bug fixed with quantity restriction error when quantity limit is left empty.
* Bug fixerd with fixed decrease discount when it is higher than the actual price.
Fixed bug with prices in admin created order.
Fixed issue with variation range price.
* Fixed the issue of price display when apply price filter.
* Fixed the issue of compatibility with display/get price by Ajax.
* Fixed the issue of price by WooCommerce Default API
* Fixed the issue of price display in Quick view plugin and Add to cart popup plugin
* Fixed the issue of compatibility with Request a Quote plugin
* Added the general function to check whether the product has role based price
* Added the general function to get role based price
* Added the general function to get role based price HTML
* Added the function to check whether price is hidden for product/user or not
* Added the function to check whether Add to cart button is hidden for product/user or not
* Fixed ['discount_value'] undefined index issue.
* Fixed layout issue in admin.