Merge pull request #145 from Invertus/INTERNAL/changelog

INTERNAL changelog update

Author: MarijusCoding

CHANGELOG.md

@@ -171,6 +171,7 @@
 - Multiple payment transaction and total price fix
 
 ## [3.2.21]
-- Fixed label printing error and 0 goods price
+- Fixed label printing error and 0 goods price displaying
 - Improved price calculation
 - Carriers error handling improvements
+- Fixed issues with carrier shown as "Free" when it is not needed to display