private void save_button_Click(object sender, EventArgs e)
{
/*string path = @"save.brain";
* File.Create(path).Close();
* File.WriteAllText(path, Brain.StringifyBrainStructure());*/
FileStream fstream = new FileStream(@"save.brainStream", FileMode.Create);
MemoryStream stream = Brain.BuildStructureStream();
stream.WriteTo(fstream);
fstream.Close();
}