Fixed right clicking outside of attack range when in attack select. Modified hit damage popup visuals

Now displays what weapon is currently equipped. Fix bug where damage can be negative, and hit/crit rate outside of 0-100 range

Attack confirmation menu now doesn't show stats if enemy unit can't perform counter attacks. Magical and Physical damage are now different

Added archer and mage class implementations. Classes are now unable to counter attack if not in range

Dead units no longer counter attack. Added game over button and overlay. Button event to be implemented