Resolve errors in old sets

[arichiv]

#749 is uncovering issues with RWS validation and some old sets. Let's fix these with exceptions for older sets where needed and/or removals where appropriate.

[Warraichjunaid]

#750

[bahceligeli]

#749 is uncovering issues with RWS validation and some old sets. Let's fix these with exceptions for older sets where needed and/or removals where appropriate.

Duplicate of #808 Duplicate of #841

[bahceligeli]

README.md

[bahceligeli]

[echulim495-collab]