Do not turn on cors if cors: false.

Author: dlongley

lib/index.js

@@ -216,8 +216,8 @@ bedrock.events.on('bedrock.start', async () => {
       }
       // setup cors
       let corsHandler = null;
-      if('cors' in cfg) {
-        if(typeof cfg.cors === 'boolean') {
+      if(cfg.cors) {
+        if(cfg.cors === true) {
           // if boolean format use defaults; using "*" is more secure than
           // reflecting an origin (see CORS rules) and is what is expected; to
           // reflect "origin" back, use an object with "{origin: true, ...}"