### Fixed - **BREAKING**: Register `Serialize` sinatra extension correctly. This will require a change in `lib/endpoints/base.rb` - see [here](https://github.com/interagent/pliny/pull/337/files#diff-c7736e8c14f72274bc01c22fe809a6bb). ([#337](https://github.com/interagent/pliny/pull/337))