call messages object as a constructor for bitcore 8

Author: xloem

lib/pool.js

@@ -1,7 +1,7 @@
 'use strict';
 var P2P = require('bitcore-p2p');
 var Peer = P2P.Peer;
-var Messages = P2P.Messages;
+var Messages = new P2P.Messages();
 var bitcore = require('bitcore-lib');
 var BlockHeader = bitcore.BlockHeader;
 var EventEmitter = require('events').EventEmitter;