Updated realm build to 16992 (5.3.0)
Updated Client- & ServerMessage enums for 5.3.0.
Updated UpdateField enum.
Little cleanup...
Updated all other things to 5.3.0 (16992).

Arctium 5.3.0 should the same state than the previous versions now.
Have fun with 5.3.0 :)
Updated Pong opcode. Thanks @MinimaJack
fix handlers
Merge remote-tracking branch 'arcticum/master'