Hot fixes 0.1

Hot Fixes 0.1
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Improve frame rate.
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cost of log cabin adjusted  > does not cost Stone anymore
cost of stone mine adjusted  > no longer costs Wood
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fire speed in final skilltree section decreased from 85% > 50%
damage in final skill tree section decrease from 8 > 4
Mana cost in damage section increased from 1 > 3
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Monsters no longer leave anything on the ground when killed