Package types are case sensitive

[matt-phylum]

The PURL test suite contains a PURL pkg:PYPI/[email protected]. packageurl-js parses this as type PYPI instead of the expected pypi.

This causes two problems:

1. Code that is looking for pypi PURLs won't see them.
2. The pypi-specific name normalization rules that packageurl-js implements for pypi are not applied, so the package name comes out as Django_package instead of the expected django-package.

[jdalton]

@matt-phylum I see you've opened a few issues. Thank you! Do you have bandwidth for opening PRs too? That would be helpful.

[jdalton]

Fixed in master branch.

[jdalton]

v2.0.0 has been published 🎉