Auto merge of #360 - sru:errors-wrong-num-values, r=Vinatorul

fix(errors): return correct error type in WrongNumValues error builder

src/errors.rs

@@ -256,7 +256,7 @@ pub mod error_builder {
                            suffix.as_ref(),
                            usage.as_ref(),
                            Format::Good("--help")),
-            error_type: cet::InvalidSubcommand,
+            error_type: cet::WrongNumValues,
         }
     }