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
* Added new arrow buttons.
* Fixed the vertical separator.
* Added new game_playermount module to handle player mounting.
* Moved the battle icons to /images.
* Outfit window accommodates for mounts, loads addons more efficiently and keeps addons set on update, added new Outfit.randomize function that allows you to randomize your outfit colors, and set up a new layout.
* Renamed game_textbooks to game_textwindow.
* Fixed text window from opening multiple times, and is destroyed correctly.
* Added new game_playerdeath module (moved death message and window here).
* Hotkey window will hide on game end.
* Logout/Exit/Stackable Items/Questlog/Hotkeys windows will now close on game end.