Inventory improvements and other fixes — Caves of Lore Steam update #1373240

My apologies for spamming everyone's feed with updates. They will be coming in larger batches from now on. + Fixed bug with buying unearned traits + Scrolling now works in character creation trait menu + Scrolling now works in inventory + You can no longer buy traits you shouldn't have + Added Inventory scrolling + Can no longer drag chests into chests by dragging the blank slot in a chest onto the new chest + Fixed stats overlaying on top of right inventory slots, if you clicked on an empty personal slot + Enemies no longer drop blank items where their natural weapons were + Fixed rare circumstance where Belly Flop doesn't work because the enemy is totally surrounded + Mighty can no longer be purchased without the strength requirement