Update 0.6.13 changelog

Expanded world map to about twice the previous size
Added US server
Added Infected Hive instance
Added bonus experience for founders
Added new mob intellect and models
Added new mob respawn algorithm
Added the beginning of the 3rd chapter in story
Traveling merchants now leave to restock
Added the quad bike
Added unique and legendary items
Added mob abilities
Added lairs
Added level requirements for quests
Added new voice and music
Added descriptions and icons for quest items
Added replies for Characters
Added the following quests: "Mysterious Events", "File with Documents", "Big Heart"
Added saving algorithm for completed stages of "Dump" and "Digger Cave" instances
Added English voiceover
Revised the map, added markers for quests
Revised quest rewards
Revised the main menu
Revised the balance between mobs and loot lists
Fixed bug with "Dump" instance
Fixed a bug with trading terminals
Fixed a bug with mini-map
Fixed a bug with pressing ESC when a window is open
Fixed interface layout for different resolutions
Fixed a bug with training localization
Fixed an issue with overexposure in new locations
Fixed an issue with disabling chat
Fixed a bug when pressing ESC on the award receiving window
Fixed bug with empty skill tree
Fixed bugs with the Ark models