Update to version v0.5.1b — Type Your Fate Steam update #836588

The new update to version v0.5.1b brings with it the following changes: - It is now possible to pause the game by pressing the ESCAPE key, so pressing it will no longer exit the game directly as before. - Extra instructions have been added to the text at the top left of the screen in order to tell the user how to scroll in the command console. - Warnings related to photosensitive health, stress, and game still in development have been added to the 'How to Play' screen prior to starting the game. - Some minor errors that have been detected have been fixed.