* Fix auto openning channels with id 0 (guild chats)
* Minor fix in print
* Fix use of items behind creatures with classic control
* Fix teleports of 1sqm
Sandboxing makes module scripts run inside an isolated lua environments,
making more easier and secure to script
Move and rework TextMessage using the new sandbox system
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
* Split game module into game and game_interface
* Move core_lib to corelib
* Move miniwindow to corelib
* Introduce init.lua script for initializing the client, giving much more flexibility
* OTClient is no longer Application derived and is much simpler