Added sanity aura to pengulls
Added sanity penalty for killing pengulls
Added sanity penalty for killing birds
Reduced sanity aura from rabbits, beefalo, and volt goats
Monsters (except tallbirds) are no longer friendly toward Stray

Increased hunger drain during sleep to 0.7x

Reduced hunger drain during sleep to 0.4x
Reduced sanity penalty from eating veggies to -5
Reduced sanity bonus from eating meat to +5
Increased sanity penalty from killing animals to -20