- add-store - add a store
- assign STORE_ID ITEM_ID - plan to shop for at store for item
- buy - mark item as purchased
- clear STORE_ID - clear all purchased items for STORE_ID from database
- clear-all STORE_ID - clear **all** items for STORE_ID from database
- list STORE_ID - list all items assigned to store
- list-stores - list all stores
- list-unsorted - list all items not assigned to any store
+ add.store - add a store
+ at STORE_ID - use this store for future commands
+ buy ID ID ID - mark items as purchased
+ clear STORE - clear all purchased items for STORE
+ list - re-show list from last used store
+ past STORE - show purchased items from STORE in last 90 days
+ stores - list all stores
+
+ Examples:
+ shop past costco
+ shop at costco
+
+ shop add sour cream
+ shop add milk
+
+ shop list
+
+ shop buy 1 2 5 7
+
+ '''
+ extended_help = '''
+ assign ITEM_ID - assign item to last used store id
+ assign.item.to.store ITEM_ID STORE_ID - plan to shop for at store for item
+ clear.all STORE - clear **all** items for STORE, including un-purchased
+ rename OLD,NEW - rename an item
+ rename.store OLD,NEW - rename a store