Playlist system creation

Added a way to deal with playlist. Also now autoscroll to keep new playing kara on top. Fixed wrong command name

common/lkt.js

@@ -398,7 +398,7 @@ class LktClient {
     static commandQueueAddMulId(IdList) {
         var command;
         var promize = new Promise(()=>null);
-        var size = 4;
+        var size = 5;
          var arrayOfArrays = [];
         for (var i=0; i<IdList.length; i+=size) {
             arrayOfArrays.push(IdList.slice(i,i+size));
@@ -409,7 +409,7 @@ class LktClient {
                 idbatch.forEach(id => {
                     command = command + " " + id;
                 });
-                promize = promize.then(resolve => setTimeout(resolve, 200)).then(LktClient.__execSimple(command));
+                promize = promize.then(resolve => setTimeout(resolve, 4000)).then(LktClient.__execSimple(command));
             }
         });
         return null;