Made player 1 objects to stop when reaching ObjectPlayer1Destination.
Added ObjectBase.command_destroy() to send the destroy command over the network.
Added ObjectBase.status instead of ObjectBase.destroyed and A.OBJECT_STATUS_*. This way more statuses can be handled.
Added ObjectBase.shake_size to have per-object customizable screen shake.
Added explosion effect to ObjectBase.explode(), size and particle count is based on the shake_size.
Fine-tuned ObjectBase.explode().