• Updated LightInjector to 1.0.4
• Small fixes and improvements

• Added support for Minecraft 1.21.1
• Updated LightInjector to 1.0.3

Replaced Spiget (https://spiget.org) with a simpler there-is-an-update message in console.

New and Improved API:

PacketEventManager.registerPacketListener(this, new PacketListener() {
	@Override
	public void onSend(PacketSendEvent e) {
		// TODO
	}

	@Override
	public void onRetrive(PacketRetriveEvent e) {
		// TODO
	}
});