Merge pull request #14 from zeit/fix/list-main-or-files-entry-if-not-found-at-all

If file not found at all, don't attempt to list it

lib/get-files.js

@@ -126,7 +126,12 @@ const explode = async function (paths, ignored, { limit, debug }) {
       // in case the file comes from `files` or `main`
       // and it wasn't specified with `.js` by the user
       path = file + '.js';
-      s = await stat(path);
+
+      try {
+        s = await stat(path);
+      } catch (e2) {
+        return null;
+      }
     }
 
     if (isIgnored(file, ignored)) {