Fixed spamming errors when player model is Half-Life 2 Player Playermodel.

Fixed again the broken animation in singleplayer.

Fixed broken animation in singleplayer caused by the previous update.

Fixed the sliding animation didn't work in multiplayer when other players slide.

Fixed the animation didn't work in singleplayer by the latest update.

• Reduced traffic for multiplayer
  
• Fixed issue on TFA CoD4 Weapons

Changed sliding animation to be more realistic
(I had to google some pictures of sliding in baseball :D)

Fixed ArcCW-based weapons incompatibility.

• Fixed for player speed modifications
  
• Fixed an animation issue caused by Revive Mod.