Spell Disk 0.4.0f hotfix

• Implemented a maximum possible mana gain for disks to 100,000 mana. It is normally unachievable, and this change can effectively prevent infinite loops that cause a crash.
  
• Implemented an auto-cast option for the base game. There is an altar in the Root Chamber next to the starting spells and weapons where you can enable or disable this option.
  
• Removed local lighting from Worm Caller (minion summon spell) to optimize the game.
  
• Updated icons for the shield totem.
  
• Updated icons for modified levels without treasure (marked by X).
  
• Weapon spell cast animation speed is increased.
  
• Fixed the incorrect values of weapon mana regeneration in the stat panel in the inventory.
  
• Fixed incorrect instruction on the final elevator.
  

Thank you for playing Spell Disk and thank you for your feedback.