AFNetworking/AFNetworking — pull request #191 by lennyburdette (2012-01-26 02:06:47+00:00)
Title: Adding support for nested query string components in dictionaries

... by recursing over parameters.

This addresses the following issues with the desired solution instead of a workaround:
https://github.com/AFNetworking/AFNetworking/issues/21
https://github.com/AFNetworking/AFNetworking/issues/32
https://github.com/AFNetworking/AFNetworking/issues/132

This is super-helpful for working with Rails. Thanks for a great library!