Guns and holding items update?

[D,DOG 1]

Dear catsbit we would like to be able to pick up items and place them down/we would like to be able to place weapons and pick them up and add more weapons

List of weapons /melee:knife bat katana/guns snipers rifles /semi auto full auto and single fire/ and plz put a option in the settings when you're creating a world to be able to do what's a limit on how many blocks can be placed /and for infinity they would type infinite/