message: BrainFlowException to BrainFlowError in example
  Changed BrainFlowException to be BrainFlowError in the example script
diff: @@ -73,7 +73,7 @@ Add a game object to the Scene and attach script below.
  sampling_rate = BoardShim.get_sampling_rate(board_id);
  Debug.Log("Brainflow streaming was started");
  }
  - catch (BrainFlowException e)
  + catch (BrainFlowError e)
  {
  Debug.Log(e);
  }
  @@ -101,7 +101,7 @@ Add a game object to the Scene and attach script below.
  {
  board_shim.release_session();
  }
  - catch (BrainFlowException e)
  + catch (BrainFlowError e)
  {
  Debug.Log(e);
  }
  