This update to count.py, my tool to count items, adds totals and options for:
- singles: a single is an item that appears only once
- multiples: a multiple is an item that appears more than once
MD5: 1B36247FE910FE5FB4E3253B65E440A1
SHA256: 9C99627F07E1B366DCEB000A56C4C3D358C3408D36531A921514B4F3809F45D1