Version 1.5

* JSONKit removed.  iOS 5.0 or greater is now required.
* Cleaned up debug output and further restricted its output based on DS_ERROR_LOGGING being equal to 1.
* Various other cleanups to the codebase.

Version 1.1.1

* Added demo project.
* Fixed potential memory leak when using ARC.
* params will now be omitted from the request when they are nil.

Version 1.1.0

Bug fix.

* Fixed a crash that would occur if the connection failed.