Add silly logging

lib/logger.js

@@ -1,5 +1,6 @@
 
 module.exports = {
+  silly: function() {console.log(arguments)},
   debug: function() {console.log(arguments)},
   notice: function() {console.log(arguments)},
   info: function() {console.info(arguments)},

lib/websocket-client.js

@@ -125,7 +125,7 @@ module.exports = class WebsocketClient extends EventEmitter {
     clearTimeout(this.pongTimeout);
     this.pongTimeout = null;
 
-    this.logger.debug('Sending ping', {category: 'bybit-ws'});
+    this.logger.silly('Sending ping', {category: 'bybit-ws'});
     this.ws.send(JSON.stringify({op: 'ping'}));
 
     this.pongTimeout = setTimeout(() => {
@@ -186,7 +186,7 @@ module.exports = class WebsocketClient extends EventEmitter {
   _handleResponse(response) {
     if(response.request && response.request.op === 'ping' && response.ret_msg === 'pong') {
       if(response.success === true) {
-        this.logger.debug('pong recieved', {category: 'bybit-ws'});
+        this.logger.silly('pong recieved', {category: 'bybit-ws'});
         clearTimeout(this.pongTimeout);
       }
     } else {