Patch with fixes 0.7.6

Game has been updated to version 0.7.6.

Patch Notes:

• The formula for calculating boss health has been changed. It now depends only on the number of players.

• A weapon spawn table has been added for bots, and the chances of different weapons appearing have been adjusted.

• The speed of gear upgrades for bots has been slightly slowed down on different difficulties.

• The penalty for deaths at the end of a match has been removed.

• The number of required kills per match has been reduced.

• "Hard" and "Desperate" difficulties are now only available at a certain account level.

• The ability to create friends-only or private lobbies has been added.

• Fixed a bug where accuracy would increase instead of decrease when walking with shotguns and submachine guns.

• Fixed a bug where the game interface would be hidden when the chat was opened.