1. Added Hysteresis Cannon
2. Added weapon animations
3. Added particle effects for all enemies when destroyed
4. Added shoulder grenade
5. Added ability to back track on levels 1, 2, 3, 4, 5, 6
6. Added explosive battery packs
7. Added props (more to come)
8. Fixed bug in pause menu that prevented the player from going to the previous page using the 'Shift' key