"You see here rag x 12.".
Change floor-item display from "rag x 12" to "12 rags".
Also stack non-contiguous similar items for standing-on-it display.
Properly display single items and count_by_charges item counts.
Display number of floor-items if more than 3 and less than 7.
Merge pull request #4465 from yobbobanana/rag_x_12

merge stacks of similar items in the list of items you're standing on.