Travelocity is upping the ante in the ongoing wars between the major online travel agencies.The agency is offering refunds if a hotel rate drops between the time you book a room and the time you stay at the hotel. Heres their pitch: While competing sites offer price protection on hotel bookings only when lower prices are found on their respective sites, or only within the supplier`s cancellation window, Travelocity customers who find the same hotel booking for less elsewhere online (excluding ho