Do not convert output URI to lowercase

Preserve lowercase matching in query mode (not in bookmark mode).

src/ffoo/saturnin_www.sh

     # Turn keyword or query (like "g hello" for google) to URI
     #
     local line
-    declare -l line
     while read line;
     do
         line="$line "
         debug -v kw query
         if test -n "$query";
         then
-            local fmt=$(inigrep -j -1 -p www.query.$kw)
+            local fmt=$(inigrep -j -1 -p www.query.${kw,,})
             debug -v fmt
             printf "$fmt\n" "$query"
         else