Catch all Odlifier errors as unknown license
Catch all Odlifier errors as unknown license

The 404 page from licenses.opendefinition.org doesn’t parse as a hash
so the error raised isn’t well classified.
theodi/open-data-certificate,istvan-antal/open-data-certificate,theodi/open-data-certificate,zoul/open-data-certificate,ahmadassaf/open-data-certificate,ahmadassaf/open-data-certificate,theodi/open-data-certificate,Motejl/open-data-certificate,istvan-antal/open-data-certificate,Motejl/open-data-certificate,zoul/open-data-certificate,zoul/open-data-certificate,Motejl/open-data-certificate,istvan-antal/open-data-certificate,ahmadassaf/open-data-certificate,ahmadassaf/open-data-certificate,zoul/open-data-certificate,theodi/open-data-certificate,Motejl/open-data-certificate