384 Laravel 6 changes (#385)

* 384 Laravel 6 changes

* Library versions

* Update package versions

* Add keyType to models

* Remove unused dependencies

* StyleCI fixes

* Fix models for test

* Fix tests output and update test runner

* Unused imports

* Update exceptions handler

* Fix login page

app/Models/Flight.php

@@ -38,12 +38,14 @@ class Flight extends Model
     use HashIdTrait;
 
     public $table = 'flights';
-    public $incrementing = false;
 
     /** The form wants this */
     public $hours;
     public $minutes;
 
+    protected $keyType = 'string';
+    public $incrementing = false;
+
     protected $fillable = [
         'id',
         'airline_id',