v5.7.0-beta.2

Major updates

• Rewriting Data classes to use Option<T> and be significantly easier to use, including simplifying StrongId
• Improving Authentication with new Data classes, adding database migration for Authentication tables
• Moving old Data classes into WordPress package so that continues to work
• Renaming Match / MatchAsync to Switch / SwitchAsync on Option<T>

New features

• Adding cryptographically secure random Guid generator

Minor updates / bug fixes

• Option<T> equality now works in both directions
• Consolidating Option<T> test classes using abstracts