Match E404 error messages.

Author: raineorshine

lib/versionmanager.js

@@ -350,7 +350,7 @@ function queryVersions(packageMap, options = {}) {
     // ignore 404 errors from getPackageVersion by having them return null instead of rejecting
     function getPackageVersionProtected(dep) {
         return getPackageVersion(dep, packageMap[dep], options.pre).catch(err => {
-            if (err && err.match && err.match(/404 Not Found/i)) {
+            if (err && err.match && (err.match(/E404/i) || err.match(/404 Not Found/i))) {
                 return null;
             } else {
                 throw err;