More Lua functions

Creature:getLight
Creature:setLight
Player:getIp
Player:getAccountType
Player:getLastLoginSaved
Player:getDepotItems
Player:getSkull
Player:setSkull
Player:getDeathPenalty
Player:hasMount
Player:getPremiumDays
Player:addPremiumDays
Player:removePremiumDays
Player:hasBlessing
Player:addBlessing
Player:removeBlessing
Small fix
Merge pull request #79 from dalkon/master

More Lua functions