wordpress plugin myCred plugin customization

I am using wordpress multisite,one of that is blog and another one is shop.I am using mycred plugin([login to view URL]) to give points for contributing blog and aproduct [login to view URL] task is you have to 1. combine points for both sites.(lets say user earned 100 points in blog and 20 point in shop,so total user balance is 120 will show both site )this can be done by mycred api [login to view URL] to add a point withdrawal system.(this plugin dont have this feature but possible ,they have documention)(just add a form,validate withdrawl amount is available in his balance,if true then proceed and give a notification to admin side,add withdrawl history to users point history). [login to view URL] default point redeme feature is lets say user have 100 point(1 point=1 local currency) ,but his checkout amount is 150 local [login to view URL] cant use points ,only can use points when point amount is more than order [login to view URL] have to change it so that user can select points amount and rest amount will pay by other available methods. N.B You have to show me all your works/changes so that later I can customize it on my way Please read plugin documentation before your [login to view URL] you work with this plugin before please mention [login to view URL] waste you time just bidding