0.0.4 - Multi-platform binaries

This adds pre-compiled binaries for all supported architectures.

What's Changed

• Handle panic when handling non 2.2 SPDX docs by @puerco in #12
• Add pkg version for spdx by @jspeed-meyers in #10
• Fix check for component hash existence by @jspeed-meyers in #17
• Add tutorial.md and reference to tutorial in README.md by @jspeed-meyers in #18

New Contributors

• @puerco made their first contribution in #12
• @jspeed-meyers made their first contribution in #10

Full Changelog: 0.0.3...0.0.4