Add item type and level to lookat
Add user:isNewPlayer()

Export a function to Lua for checking whether a player is considered new
upon login.
Update Lua doc to v5.13

Include player:isNewPlayer().
Update ItemLookAt to according to new implementation for weapon and armor lookat.
Execute is_new_player in server schema
Update database definition
Provide feedback for talkto command
Do not save null items

Fix mantis issue #7981
Add item id constraints