[cvs-nhc98] patch applied (hat): Refactor, changing Unset command to Set. Also add vanishing progress message

Wed Mar 13 03:14:12 PST 2002 malcolm * Refactor, changing Unset command to Set. Also add vanishing progress message "searching (^C to interrupt)" at the end of the list of observations. M ./src/hattools/HatObserve.hs -109 +96