Gameplay Adjustments

Upgrading skills to Lv.5 now requires an "Advanced Skill Upgrade Stone"
Trader contents can now be refreshed for gold
Updated mystery shop with new items
Temporarily removed summon scrolls from Mystery Table (they will be back after the next content update)
Items acquired from Mystery Table are now displayed at drop logs
Items acquired from bags are now displayed at drop logs
Adjusted skill purchase prices, higher level skills now cost more gold

Bug Fixes

Fixed a bug where "Goblin King's Pants" had the incorrect type
Fixed a bug which caused wands to disappear when trying to equip
Fixed a bug which caused some recipes to create the wrong item
Fixed a bug with gems not upgrading item level
Fixed a bug where bows could have wrong number of modifiers
Fixed a visual bug which displayed wands attack speed as 0
Fixed descriptions for some items