Version 0.03 - 2018-07-09
  - Use Inline::Module, to avoid depending on Inline at runtime
  - Improved implementation of setup_projection, with tests
  - Fix various broken XS callback details
  - Much more test coverage, and conditional dependencies in tests
  - Add more glGet and lighting functions.

Version 0.02 - 2018-06-18
  - Initial public release
