Thanks to the work of [dgburr](https://github.com/dgburr) these additional predefined messages have been added. This release also includes a transition from Travis CI to Github actions for the automated tests.
0.2.4
0.2.3
Updated to improve robustness of the message length checking as per pull request.
0.2.2
Updates including: - new pre-defined messages as per the pull request. - added placeholder methods to allow future addition of creating messages for sending to the UBX device - updates to travis ci builds
0.2.1
Updated release to support variable length message types.