message: set current screen to latest created on newScreen action
diff: @@ -21,10 +21,13 @@ const rootReducerTop = (state, action) => {
  const fbs = newFramebufs
  const newScreens =
  Screens.reducer(state.screens, Screens.actions.addScreen(fbs.length-1))
  + let lastScreenId = newScreens.list.length-1
  + const newScreens2 =
  + Screens.reducer(newScreens, Screens.actions.setCurrentScreenIndex(lastScreenId))
  return {
  ...state,
  framebufList: newFramebufs,
  - screens: newScreens
  + screens: newScreens2
  }
  }
  return rootReducer(state, action)
  