litte bugfixes

src/Queue.js

@@ -84,7 +84,7 @@ class Queue
     {
       // we want a random index between the end and i, inclusive
       const index = rand(i, this.arr.length - 1);
-      const temp = this.arr[i];
+      const temp = this.arr[index];
       this.arr[index] = this.arr[i];
       this.arr[i] = temp;
     }

src/viki.js

@@ -57,7 +57,6 @@ function play()
   }
 
   dispatcher = connection.play(nextSong[0]);
-  console.log(`Playing ${nextSong[2]}.`);
   nextSong[1].channel.send(`Playing ${nextSong[2]}.`);
   dispatcher.setVolume(0.2);
   dispatcher.setBitrate(96);
@@ -76,7 +75,6 @@ function play()
         playlist.makeFilled(played);
         played = [];
         play();
-        console.log("Repeat all encountered.");
       }
       else
       {
@@ -536,6 +534,12 @@ client.on('message', async msg =>
       }
       break;
 
+    // shuffles the playlist
+    case 'shuffle':
+      playlist.shuffle();
+      msg.channel.send('Done!');
+      break;
+
     // respond w/ error if command not recognized
     default:
       msg.channel.send("Sorry, that command isn't recognized.");