Exporded World:FindClosestPlayer, Item:IsEnchantable and Monster:MoveToPosition to Lua API
Added documentation
Fixed compilation
Not exporting FindClosestPlayer
Blank lines and indentation.

Also removed GetClosestPlayer documentation
Fixed indentation
Merge pull request #635 from tonibm19/master

Exported Item:IsEnchantable and Monster:MoveToPosition to Lua API