Don't crash the entire scraper task when loading legacy config
Log full backtrace in case of crash
Ensure all source methods are scraped, regardless of whether they are in the user-permitted set
Checklist
[x] I have read and followed the CONTRIBUTING guide.
[x] I confirm that I have the authority necessary to make this contribution on behalf of its copyright owner and agree
to license it to the TeSS codebase under the
BSD license.
Summary of changes
Checklist