Pass collection name options to monq worker

If you create a monq client worker with an array of queue (and not simply using the '*'), the collection name in the options map is not pass through the underlaying methods (namely in the Queue instantiation).

lib/connection.js

@@ -20,20 +20,22 @@ function Connection(uri, options) {
 * @param {Object} options - an object with worker options
 */
 Connection.prototype.worker = function (queues, options) {
-    var self = this;
+    var self = this,
+        opts;
 
     if (queues === "*") {
-        var opts = {universal: true, collection: options.collection || 'jobs' };
+        opts = {universal: true, collection: options.collection || 'jobs' };
         options.universal = true;
         queues = [new Queue('*', opts)];
     } else {
         if (!Array.isArray(queues)) {
             queues = [queues];
         }
 
+        opts = {collection: options.collection || 'jobs' };
         var queues = queues.map(function (queue) {
             if (typeof queue === 'string') {
-                queue = self.queue(queue);
+                queue = self.queue(queue, opts);
             }
 
             return queue;