VOD                     Value of the day
ifelse_null             Returns NA if input is null, else returns input
item_base_response      Returns tibble of items in base response format
lookup                  Looks up product information
paginted                Looks up product information
save_walmart_credentials
                        Save API credentials for later use
searching               searching with text the Walmart catalogue
smart_subset            Subsets up to n elements in a vector
store_locator           Locale nearby Walmart stores
taxonomy                The category taxonomy used by walmart.com to
                        categorize items
trending                Trending products at Walmart.com
