Release 2021.d

• Use -b option to suppress the banner on startup. Useful for users of braille readers to avoid gibberish on startup
• Reload the last used character on startup
• Previously, all harm calculations were based on "simple weapons". Characters now can choose between a simple and a deadly weapon (increase/decrease weapon) to do harm according to the rulebook
• Add generatenpc command to generate a random NPC with name, role, attitude and goal
• Some minor bug fixes