Updated Reviews

I've made minor updates to several reviews including HotBot, Lycos, MSN, Fast Search, and Inktomi. Changes include updates on which Inktomi features work at HotBot and MSN, and a note on how to get the MSN advanced search to work without a search term. (Thanks, Gary, for that tip.) I've also added the Postion Tech Inktomi search to the Inktomi review.