Update changelog

Update changelog

Merge pull request 24Slides#10 from darynmitchell/signedin-accessors-…

…per-readme

Add SignedIn event accessors, to match docs

Merge pull request 24Slides#8 from tupywebteam/master

Fix require libraires to laravel 8

- Laravel 8 support

- Setting Name ID Format on SP bootstrap

- The ability to customize Name ID Format for different Identity Prov…

…iders

- Custom Relay State URL per Tenant (to specify a redirection URL aft…

…er sign in)

Added:

- Support for Laravel 7 (24Slides#4)
- Add branch-aliases in composer.json

- Only log debug messages when debug is enabled in config file (24Sli…

…des#3)