JacksonTian/eventproxy — pull request #17 by JacksonTian (2013-03-05 06:09:33+00:00)
Title: Add group method

```
var ep = new EventProxy();
ep.after('got_file', files.length, function (list) {
// 在所有文件的异步执行结束后将被执行
// 所有文件的内容都存在list数组中，按顺序排列
});
for (var i = 0; i < files.length; i++) {
fs.readFile(files[i], 'utf-8', ep.group('got_file'));
}
```

@fengmk2 have a look