Update config.yml

pig,sheep,cows from 30 limit-30 range to 40 limit-5 range
chickens from 50 limit-50 range to 60 limit-5 range
villager from 20 limit-30 range to 50 limit-5 range
damage_count from 50 to 20
mob_limit from 200 to 50
Merge pull request #8 from dbear20/patch-3

Update config.yml