Add support for XML in the api_call helper.
Add rbenv gemset files to .gitignore
Make testing via 'rake' command look half decent.
Refactor display of body into a helper method to display xml and json properly.
Explicitly define json format for api_call helper.
Add new files to gemspec with rake gemspec.
Bump the version number.
Refactor helper code into the view since it's not being loaded in the main app.
Merge pull request #3 from aaronprice/master

Added support for XML APIs