Merge pull request #137 from ZackWard/ZackWard-doc-patch

Update request.js documentation

Author: keithamus

lib/request.js

@@ -68,9 +68,10 @@ var http = require('http')
  * // Send some Form Data
  * chai.request(app)
  *   .post('/user/me')
- *   .field('_method', 'put')
- *   .field('password', '123')
- *   .field('confirmPassword', '123')
+ *   .type('form')
+ *   .send({'_method': 'put'})
+ *   .send({'password': '123'})
+ *   .send({'confirmPassword', '123'})
  * ```
  *
  * ```js