Cancelled deep datetime kind test.

Added document for ForMethods aspnetboilerplate#1016

Incremented version for bugfix.

Updated documents for v0.9 release.

Refactored for aspnetboilerplate#950.

Documented RedisCache module.

Incremented version.

Incremented version to 0.8.1.

Resolved aspnetboilerplate#865: Downgraded nuget package: System.Coll…

…ections.Immutable

Minor doc improvement.