Support name / identifier format within sources

[reegs]

The script does not currently recognize tests applied to a source that is set-up using an identifier rather than just the raw as being associated with the source.

I think, but am not certain, that this might be related to #30

[mrshu]

Thanks for submitting the issue @reegs!

Just so that I understand what the desired behaviour would be, do I get it right that whether a test is applied to either the identifier or the actual table name, they ought to be both counted towards that table in the report?