madrobby/zepto — pull request #594 by StuPig (2012-09-23 10:03:12+00:00)
Title: Fix $.param()'s RegExp bug

make `$.param()`'s behavior as described in the doc
```javascript
$.param({ foo: 'bar', nested: { will: 'not be ignored' }})
//=> "foo=bar&nested[will]=not+be+ignored"
```