Many various bugfixes, more aggressive memory optimization

core/assets/bundles/bundle.properties

@@ -29,6 +29,7 @@ text.addplayers=Add/Remove Players
 text.newgame=New Game
 text.quit=Quit
 text.maps=Maps
+text.maps.none=[LIGHT_GRAY]No maps found!
 text.about.button=About
 text.name=Name:
 text.unlocked=New Block Unlocked!
@@ -219,6 +220,9 @@ text.menu=Menu
 text.play=Play
 text.load=Load
 text.save=Save
+text.fps=FPS: {0}
+text.tps=TPS: {0}
+text.ping=Ping: {0}ms
 text.language.restart=Please restart your game for the language settings to take effect.
 text.settings.language=Language
 text.settings=Settings