resolved bug with nsfw command; added another nsfw command

bot.js

@@ -323,7 +323,10 @@ client.on('message', message => {
                 message.channel.send(imgurRequest('yuri', 5));
                 break;
             case 'neko':
-                message.channel.send(imgurRequest('yuri', 5));
+                message.channel.send(imgurRequest('Nekomimi', 5));
+                break;
+            case 'hgif':
+                message.channel.send(imgurRequest('nsfwanimegifs', 5));
                 break;
 
             // Voice commands