Version 0.3.13 patch notes

Version 0.3.13 brings a new autosave feature and a bunch of fixes:

• Dungeon autosave at customizable rate
  
• Quick save games now show up load save game list properly
  
• Fix skill upgrades from affecting prep time (except when they should)
  
• Adjust Water Cave monster levels
  
• Make Light Beam a Magic skill
  
• Tweak Elemental Storm duration