Purity Update §

Done:

• Continue working on bosses.
• Add boss-making capacity to PurEdit.
• Save boss death and make the environment respond (started)
  

Todo:

• Continue working on bosses (deathroll mainly).
• Add more Boss functionality to PurEdit (add/remove cathode/anode).
  
• Make global (I know) event object to pass around events.
  
• Make rooms.
• Find the world map I made before I stopped.