Trying to make a custom "load mission" command

I have something that works and loads a mission, but for some reason it seems to keep loading a cached version of that mission.

If I add anything at all to the world and then save it, it saves the changes to the right file, but when it loads, the changes are not there. If I, then, go to the World Editor (after using the code below), and go to File->Open and open the mission I am already in, the changes I made earlier will appear.

I need it to load properly the first time of course. :P

Can anyone see why it is doing this? (I am using TGE 1.5.2 and the Starter.FPS folder)

Oh, and this code is written to the MainMenuGui.gui in case that matters.

function start()
{
disconnect();
createServer("SinglePlayer", expandFilename("starter.fps/data/missions/barebones.mis"));
%conn = new GameConnection(ServerConnection);
RootGroup.add(ServerConnection);
%conn.setConnectArgs($pref::Player::Name);
%conn.setJoinPassword($Client::Password);
%conn.connectLocal();
}