Keepa

Added *listedSince* (time first listed on Amazon) field to the product object.

Fields added to the stats object:
`avg180, atIntervalStart, totalOfferCount, lastOffersUpdate, stockPerCondition3rdFBA, stockPerCondition3rdFBM, stockAmazon, stockBuyBox, retrievedOfferCount, buyBoxPrice, buyBoxShipping, buyBoxIsUnqualified, buyBoxIsShippable, buyBoxIsPreorder, buyBoxIsFBA, buyBoxIsAmazon, buyBoxIsMAP, isAddonItem`

Added **availabilityAmazon** field to the Product object.

Added **isFBA** field to offer object.

Added new field **categoryTree** to the product object.

**Added Product fields:**
author, binding, numberOfItems, numberOfPages, publicationDate, releaseDate, languages, ebayListingIds, lastEbayUpdate, lastRatingUpdate, coupon.

**Added Stats fields:**
outOfStockPercentage90

**Added Response fields:**
processingTimeInMs, tokensConsumed, additional