New: Polish language (pl_PL) thanks to @Tytano#5336 (on discord)

Features :

• /negativity alert To Show/Hide alert !
• Alert system update: alert when you was disconnect are shown at mod's connection (and better system)
• Refactor admin inventory
• Update message system (for translation)
• Refactor of permission system !

Detection :

• Update NoSlowDown detection
• Update Jesus detection
• Fix Essentials support (specially with /speed)
• Forcefield while fighting ender dragon
• Fly when in water
• Update Fly detection to include BoatFly
• Sneak and Speed (only for 1.13)
• Spider when climbing vine
• AirJump false positive
• NoFall false positive
• FastLadder false positive

Removed /suspect command (it was useless)