Fix bug with caching wrong instance.
Revert to most basic github api mime type.
Drop user parameter merging.
Remove dead code.
Change to provide bactrace.
Change service errors to handle status codes and response body parsing.
Change service side errors to use status codes.
Add not acceptable error check.
Add spec for service errors when parsing varying response body.
Fix specs when throwing custom errors.
Add error handline explanation.
Change to inherit from service errors.
Add requests to check ratelimit.
Add site endpoint for the enterprise edition.
Add validation of request arguments.
Note changes to release v0.6.4
Bump gem version.
Drop bundler install and allow failure on rubinius.
Add ability to list error subclasses.
Change the way http errors are raised.