* Changes for 3.16.2 Tilt / Devnet.
* Updated constants in test file
* modified python script to 3.16.2
* More AppID Changes.
* Found more AppIds to replace.
* testApp fixed to 1008.
2) Add tests for payload3
3) Change the contract API for payload3 so that the destination is the appId instead of the app address
and no longer part of the data
4) add a testApp into devnet