Multi-protocol

Lots of chagnes to add multi protocol flexibility, not really
completed yet, still have to rework text messages opcodes and other stuff,
so this still a working in progress feature

* Rework dat reader, the dat reader can now
* dinamically detect dat version
* Split game into gamelib and game_interface
* Lots of other minor changes

modules/game_market/market.otmod

@@ -4,9 +4,6 @@ Module
   author: BeniS
   website: www.otclient.info
 
-  dependencies:
-    - game
-
   @onLoad: |
     dofile 'marketoffer'
     dofile 'marketprotocol'