0.82 3/13/2020 - Update of the game engine version

The following changes were made in this version:
- Update of the engine version, resulting in improved game performance and consistency of a large number of scripts;
- Change in the level crossing process. Before, it was necessary to click on the "Tab" button to call the cursor to confirm the level crossing. Now the user just needs to get close to the level crossing indicator, and the "status" screen is displayed.
- Several scripts and scenarios have been redone to meet the characteristics of the game engine update