add rudimentary item function. items show in correct rooms when 'looking'
items now disapper and respawn.
fix input loop to properly handle backspaces
fix inventory command so carrying nothing displays the word 'nothing' instead of a blank line. implement rudimentary item spawning, expiration, and inventory tracking
merge changes from creating items for rudimentary item spawn and expiration. basic inventory tracking. fix bugs with backspace in input and inventory command