Allow additional HTTPS options.

Author: RubenVerborgh

lib/create-server.js

@@ -57,10 +57,10 @@ function createServer (argv, app) {
       throw new Error('Can\'t find SSL cert in ' + argv.sslCert)
     }
 
-    var credentials = {
+    var credentials = Object.assign({
       key: key,
       cert: cert
-    }
+    }, argv)
 
     if (ldp.webid && ldp.auth === 'tls') {
       credentials.requestCert = true