Non-core features

• Allow manual names
• Rework the battle system
• Improve animal name generator
• Add random facts
  • scientific discoveries related to the current era
  • facts about the politics/economics

DX

• Refactor the time-travel code
• Improve the way to have multiple text
• Add a long-term memory version of 'pick', it will pick a value ONCE in the whole story. -> Maybe add a world.setPool('poolName', [values]) and world.getPoolSize() for scoring on it. -> Could be "pick_pool(2): poolName" in the rules