jnbt

As the readme states that you're demanding tests for this project I like "fix" the current tests and add more Ruby versions for the CI builds as a first step.

This gem currently mutates strings in place at various places. As frozen strings are the way to go in future Ruby version it should support them. Possible way to achieve...

I really would like to do some real API usages (at least against the sandbox APIs) for verification of subscription based purchases. Currently I assume this would require: - A...

Subscription were introduces by #6. The current implementation lacks a CLI. This is needed to perform manual verifications of subscriptions.