* fix spdx namespace and add scheme range assertions
Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
* validate SPDX document name from source metadata
Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
* comment why namespace tests only check prefix
Signed-off-by: Alex Goodman <alex.goodman@anchore.com>