Patch 0.5.2

Added more random events.
New display: Collected objects now briefly show what has been picked up.
Controls can now be viewed in the mainmenu.
Mission briefings are only available once both players are ready in the lobby.
The "Return to Menu" button for the client now appears later to prevent accidental clicks.
Existing features have been partially optimized or improved.
Visual improvement for enemies: They now track the player with their gaze.