Renew if not all names are covered

Renew a certificate if not all names are covered by the current certificate yet.
Adds a new `--names` option to `check` that makes `check` fail if not all names are covered.
Resolves #34.

src/Commands/Auto.php

@@ -185,6 +185,8 @@ class Auto implements Command {
             $storage,
             "--name",
             $commonName,
+            "--names",
+            implode(",", $domains),
         ];
 
         $command = implode(" ", array_map("escapeshellarg", $args));