Grammar fixes
Blackhole can no longer be placed on an occupied square
Treasure Hunting is now Single Use
Dumpster Diving is now a Free Action
Added the feature to draw arrows
Updated the artwork of Imposter, Rejuvenation, Mana Chant, Fireball. Corpse Transmutation, Zap
Medkit is now a Free Action
Added Sell Out
Promotion can now be cancelled
Small visual update