Example fails with QT 5.3.1 on OSX 10.9.3

[kommander]

Assertion failed: (handle->InternalFieldCount() > 0), function Unwrap, file /Users/sebastian/.node-gyp/0.10.29/src/node_object_wrap.h, line 61.
[1] 54418 abort node index.js

[ivan]

I see the same on Ubuntu 14.04:

# nodejs nodeqt-demo.js 
nodejs: /home/at/.node-gyp/0.10.30/src/node_object_wrap.h:61: static T* node::ObjectWrap::Unwrap(v8::Handle<v8::Object>) [with T = QApplicationWrap]: Assertion `handle->InternalFieldCount() > 0' failed.
zsh: abort      nodejs nodeqt-demo.js

[ivan]

Ah, it needs a .bind(): see #29