add some validation to row edit, better handle setting null cols with empty

app/Exceptions/Handler.php

@@ -6,6 +6,7 @@ use Exception;
 use Illuminate\Auth\AuthenticationException;
 use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
 use Illuminate\Validation\ValidationException;
+use MightyPork\Exceptions\Exceptions\SimpleValidationException;
 
 class Handler extends ExceptionHandler
 {
@@ -15,7 +16,7 @@ class Handler extends ExceptionHandler
      * @var array
      */
     protected $dontReport = [
-        //
+        SimpleValidationException::class,
     ];
 
     /**

app/Exceptions/ViewException.php

@@ -1,14 +0,0 @@
-<?php
-
-namespace FlowBox\Exceptions;
-
-class ViewException extends FBRuntimeException
-{
-	public $captured;
-
-	public function __construct(\Exception $cause, $captured)
-	{
-		$this->captured = $captured;
-		parent::__construct($cause);
-	}
-}