I fixed the petLevel and PetUse errors...

I such a fool. capitals where they should not be and had the varibal
PetUsed as a globel -.- I'm a niiny and I know it
can now feed your pet to incress max hp

Feeding the pet will give it a larger max hp (op)... maybe. If
muiltyplayer is made I will have to standerdise this to 100 - 1000 (we
will have to see)
Maax health added and sleeping to heal
wonderfull, added note to monsterclass