Fixed many slime bugs.
- Fixed slime hurt/death sound
- Added slime spawning on death.
- Fixed the max health.
- Fixed the attack damage.
- Little slimes should not attack players.
Split into more lines.
Slime sizes are 1, 2 or 4 and not 1, 2 or 3.
Fixed slime-related comments.
Merge branch 'Entities'