public void Save(string directory)
{
Directory.CreateDirectory(directory);
Bodies.SerializeXml(directory + "bodies.xml");
Planets.SerializeXml(directory + "planets.xml");
Governments.SerializeXml(directory + "governments.xml");
Characters.SerializeXml(directory + "characters.xml");
Fleets.SerializeXml(directory + "fleets.xml");
Map.SerializeXml(directory + "map.xml");
Militaries.SerializeXml(directory + "militaries.xml");
new Serializer <Date>().Serialize(directory + "date.xml", Date);
new Serializer <Player>().Serialize(directory + "player.xml", Player);
}