Ringle's Gun Turret

Added:

• Shields now block bullets
• Player kills with gun turrets now show the owner's name in chat
• Predictive aiming
• Debug commands
• Updated wording on some labels/buttons
• Pitch now varies on gunshot, rotation

Fixed:

• Wolves crashing the game
• Block NBT not saving/being loaded
• Client desyncs
• Blacklist now defaults to false
• Bullets now ignore damage cooldowns
• Turret attacking mobs that are not able to be hit (silverfish, cave spiders, etc)
• Aiming accuracy
• Collision being weird
• Turret blockEntities may not appear for the client when loading a world