fix issue 118 and remove unnecessary stringify

Author: nullagent

src/comms/peer-comms.js

@@ -231,8 +231,8 @@ class PeerComms extends ISocketComms {
     this.close()
   }
 
-  async close(){
-    debug('close', this.uuid)
+  async close(event){
+    debug('close', this.uuid, event)
 
     if(this.party.topics){
       await this.party.topics.destroyNode(this)

src/comms/websocket-shim.js

@@ -18,8 +18,9 @@ class WebsocketShim extends EventEmitter {
         setTimeout(()=>{this.emit('connect')}, 1)
       }
 
-      this.conn.onclose = () => {
-        this.emit('close')
+      this.conn.onclose = (event) => {
+        debug('onclose', event)
+        this.emit('close', event)
       }
 
       this.conn.onerror = (err) => {

src/topics/peer-node.js

@@ -29,13 +29,13 @@ class PeerNode {
         msg: data
       })*/
 
-      await this.peer.send(JSON.stringify({
+      await this.peer.send({
         op: 'publish',
         id: 'publish:'+this.peer.opId,
         topic: topic.path,
-        sender: { uuid: this.peer.uuid, identity: this.peer.remoteIdentity },
+        sender: sender ? { uuid: this.sender.uuid, identity: this.sender.peer.remoteIdentity } : {system: true},
         msg: data
-      }))
+      })
 
     }
   }