Fix documentation and include it in the nuget package

Improve triple-slash documentation

Merge pull request #695 from SteveDunn/xml-serialisation

Add support for `IXmlSerializer`

Merge pull request #688 from SteveDunn/tostring-hoisting

Tostring hoisting

Merge pull request #685 from SteveDunn/primitive-comparison-in-linq

Primitive comparison analyzer when comparing value objects to primitives in EFCore expressions

Merge pull request #674 from SteveDunn/nullability-mismatch-on-overri…

…dden-member

Nullability mismatch on overridden member

Update snapshots

Updated readme

Fix build

Fix build