SDLRPCStructs print correctly
SDLRPCStructs print correctly

* Fixes #355

davidswi/sdl_ios,FordDev/sdl_ios,FordDev/sdl_ios,davidswi/sdl_ios,APCVSRepo/sdl_ios,APCVSRepo/sdl_ios,kshala-ford/sdl_ios,smartdevicelink/sdl_ios,APCVSRepo/sdl_ios,smartdevicelink/sdl_ios,kshala-ford/sdl_ios,smartdevicelink/sdl_ios,smartdevicelink/sdl_ios,kshala-ford/sdl_ios,APCVSRepo/sdl_ios,FordDev/sdl_ios,smartdevicelink/sdl_ios,kshala-ford/sdl_ios,APCVSRepo/sdl_ios,davidswi/sdl_ios,davidswi/sdl_ios,FordDev/sdl_ios,FordDev/sdl_ios,davidswi/sdl_ios,kshala-ford/sdl_ios