madrobby/keymaster — pull request #61 by popomore (2012-10-16 03:55:26+00:00)
Title: fix ReferenceError when global is not window

I want to wrap keymaster with AMD.

```
define(function(require, exports, module){
(function() {
// keymaster code
}).call({});
})
```

However, global reference to {}, then key has ReferenceError Execption.