general
added an acheivement for completing the campaign
balance
rebalanced several combo spells:
planned moves (now provides redraw instead of draw, start at 0)
quicken (start at 0, is now also common and reduced knowledge cost by 1)
twin missile (start at 0, reduced knowledge cost by 1)
exaggeration (gives one less mana)
fixes
fixed an issue where duplicated effects could use the same game object even if they consume it
fixed the card imp to not show up anymore after all cards are unlocked
fixed campaign end screen not responding