improvements, more config, add -q, readme

src/utils.rs

@@ -105,9 +105,7 @@ impl VisExt for Visibility {
 
     fn make_unlisted(self) -> Self {
         match self {
-            Visibility::Public => {
-                Visibility::Unlisted
-            }
+            Visibility::Public => Visibility::Unlisted,
             other => other,
         }
     }