LevelUpdate

+ Moved into Payload
+ Updated LevelCommand
+ Added payload size test for LevelUpdate
Revert "LevelUpdate"

This reverts commit 6d3dcbb30fd94f7e726eb1bdd8ca23da6656e1f2.
Revert "Revert "LevelUpdate""

This reverts commit 74d119133ef05c6b8e52a33f280093f75f674ee5.