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

@@ -260,7 +260,7 @@ class LktClient {
         var matches;
         var dataObj;
         var karaList;
-        var cont;
+        var prevcont=0;
         const regex = /([0-9]+) (vo|va|amv|cdg|autres|vtuber) - (jp|fr|en|ru|sp|it|ch|latin|heb|multi|undefined) \/ (.+) - (OP|ED|IS|AMV|PV|MV|LIVE)([0-9]*) - (.+) \[ (.+) \]/;
         var reg = new RegExp(regex);
         function __getResult(client) {
@@ -275,15 +275,12 @@ class LktClient {
                         dataObj = __mpdToObject(data);
                         karaList = data.split("\n");
                         if(dataObj.continue){
-                            karaList.splice(dataObj.continue);
-                            cont = dataObj.continue;
+                            karaList.splice(-3);
                         }
                         else{
                             karaList.splice(-1);
                         }
-                        logger.debug("abab",JSON.stringify(karaList));
                         karaList.forEach(kara => {
-                            logger.debug("pokemon",kara)
                             matches = reg.exec(kara);
                             result.push( {
                                 id:matches[1],
@@ -296,10 +293,11 @@ class LktClient {
                             });
                             //logger.info("kara",matches[1]);
                         });
-                        if(dataObj.continue) {
-                            client.m_socket.write(`${cont} listplaylist ${playlist}\n`);
+                        if(dataObj.continue && prevcont!= dataObj.continue) {
+                            client.m_socket.write(`${dataObj.continue} listplaylist ${playlist}\n`);
+                            prevcont = dataObj.continue;
                         }
-                        else{
+                        else if(dataObj.continue){
                             client.close();
                             resolv(result);
                         }