static void Main(string[] args)
{
string basedir = args.Length > 0 ? args[0] : ".";
uint structsize = SizeOf <PGStarMatch>();
PGStarMatch.LoadNamedSystemsJson(Path.Combine(basedir, "edsystems-all-withcoords.json"));
PGStarMatch.LoadEdsmSystemsJson(Path.Combine(basedir, "systemsWithCoordinates.json"));
PGStarMatch.LoadEddbSystemsCsv(Path.Combine(basedir, "systems.csv"));
Listener listener = new Listener();
listener.Run();
}