Items

Some more Item functionality, with functions that allow items to know
when they are there.

xml parser went out the window, almost literally

TO DO:
Storyboard
create 10-15 rooms with items in main.cpp
"Use" Command -- I'm working on this one already
Rooms populate terminal with short and long descriptions appropriately,
affected by Env. items. (the while loop in the main file manages this
as much testing as possible