Game & Demo Update v0.507

Hi adventurers,

v0.507 is now available on the game and demo branches:

• Fixed an issue with enclosed areas not properly detected.
  
• Fixed an issue preventing to equip potions on heroes with old saves.
  
• Fixed an issue with grass rendered on top of manually grown plants.
  
• Fixed an issue preventing to select objects needing to be refilled
  

Thanks for playing, and please don't forget to leave a review, it helps a lot!