Do not call Detach() from Server::~Server.

src/net.h

@@ -128,7 +128,10 @@ protected:
     server_.on_connection = Server::on_connection;
     server_.data = this;
   }
-  virtual ~Server () { Close(); }
+
+  virtual ~Server () {
+    oi_server_close (&server_); 
+  }
 
   int Listen (struct addrinfo *address) { 
     int r = oi_server_listen (&server_, address); 

src/object_wrap.h

@@ -55,6 +55,8 @@ class ObjectWrap {
    * the object after making this call as it might be gone!
    * (A "weak reference" is v8 terminology for an object that only has a
    * persistant handle.)
+   *
+   * DO NOT CALL THIS FROM DESTRUCTOR
    */
   void Detach() {
     assert(!handle_.IsEmpty());