Add [AIActivityHandler checkTransactionId:] to skip duplicate IDs
Add [AIActivityHandler checkTransactionId:] to skip duplicate IDs

dannycxh/ios_sdk,Threadflip/adjust_ios_sdk,yutmr/ios_sdk,BlueCrystalLabs/ios_sdk,trademob/ios_sdk,mseegers/ios_sdk,akolov/adjust,nicolas-brugneaux-sociomantic/ios_sdk