Fix no queries being collected anymore (barryvdh#827)

Missing negation

If user is instance of Authenticatable call getAuthIdentifier() defin…

…ed by the interface rather than assuming it has a public id field (barryvdh#799)

Add SimpleFormatter for faster exporting

Replaced use of removed ValueCollector with VarCloner (barryvdh#787)

* Replaced use of removed ValueCollector with VarCloner

As per L5.6, Symfony 4 is now used.  As such, VarCloner must be used in place of ValueCollector.

* Changed PHPDoc for exporter.

Allow to use nullable user (barryvdh#786)

Update debugbar.php

as of Laravel 5.5 fire() must be renamed to handle() (barryvdh#705)

https://laravel.com/docs/5.5/upgrade

Artisan
The fire Method

Any fire methods present on your Artisan commands should be renamed to handle

Add note about package discovery

Remove package detection on 2.x

Catch resolving guards