Update 0.50.4

This update contains bug fixes and features for this upcoming weekend (Double XP weekend + Ranked DUO - bigger announcement upcoming)

• Features to support ranked duo - team mmr, rank progress, leaderboard, and more. We only have a mmr as your rank indicator right now, but we will add proper "ranks" soon.
  
• Finalized support for XP multiplier
  
• More localization fixes
  
• Added more server validation for client movement
  
• Added new Moderator features to make handling supports easier
  
• Anti Cheat Update