Use is_special instead of is_hidden

bitlair_bigmoney

@@ -8,7 +8,7 @@ sub command :Tab(bigmoney) {
     my @list = sort {
         (split " ", $b)[1] <=> (split " ", $a)[1]
     } grep {
-        not RevBank::Users::is_hidden($_)
+        not RevBank::Accounts::is_special($_)
     } slurp("accounts");
 
     print join "", @list[0..9];