Version 3.1: Released on December 23rd 2015
Added new zip for version 2.1

Version 2.1: Released on December 3rd 2015
Changed gift amount to support decimal values.
Version 1.1: Released on August 16th 2015
[b] 16th August, 2015:[/b] Extension release for both opencart version 1.5x and 2.x