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

@@ -362,11 +362,11 @@ class LktClient {
     }
 
     static commandQueueDelPos(position) {
-        return LktClient.__execSimple(`del ${position}`);
+        return LktClient.__execSimple(`delete ${position}`);
     }
 
     static commandQueueDelId(id) {
-        return LktClient.__execSimple(`delid ${id}`);
+        return LktClient.__execSimple(`deleteid ${id}`);
     }
 
     static commandPlaylistAddId(playlist, id) {
@@ -391,11 +391,15 @@ class LktClient {
     static commandPlaylistDelete(playlist) {
         return LktClient.__execSimple(`playlistdelete ${playlist}`);
     }
+    static commandUpdateDatabase() {
+        return LktClient.__execSimple(`password hashire\nupdate`)
+    }
 
     static commandQueueAddMulId(IdList) {
         var command;
         var promize = new Promise(()=>null);
-        var size = 10; var arrayOfArrays = [];
+        var size = 4;
+         var arrayOfArrays = [];
         for (var i=0; i<IdList.length; i+=size) {
             arrayOfArrays.push(IdList.slice(i,i+size));
         }
@@ -405,7 +409,7 @@ class LktClient {
                 idbatch.forEach(id => {
                     command = command + " " + id;
                 });
-                promize = promize.then(LktClient.__execSimple(command));
+                promize = promize.then(resolve => setTimeout(resolve, 200)).then(LktClient.__execSimple(command));
             }
         });
         return null;