Update scripts to understand minus signs.

parse-games

@@ -27,7 +27,7 @@ function parse_tour_info {
     local tour_info=$(cat "${REPO_DIR}/${TOURNAMENT}/tours/${tour}/tour_info"; echo)
 
     local date_re="[0-9?]{2}\.[0-9?]{2}\.[0-9?]{4}"
-    local res_re="(1|½|0|\+|-)"
+    local res_re="(1|½|0|\+|−)"
     while read line; do
         if [[ $line =~ ^($date_re)\ +([^\ ]+)\ +-\ +([^\ ]+)(\ +$res_re-$res_re)? ]]; then
             local date=${BASH_REMATCH[1]}