Clean up and docs

src/ArrayObject.php

@@ -79,7 +79,7 @@ class ArrayObject extends \ArrayObject
      * @param string $valueOptions
      * @param string $null
      *
-     * @return string
+     * @return string The html for the table
      */
     public function toTable(
         $transpose = false,

tests/unit/ArrayObjectCest.php

@@ -2,7 +2,6 @@
 
 use adeattwood\helpers\ArrayObject;
 
-
 class ArrayObjectCest
 {
     public $arrayObject;
@@ -44,7 +43,6 @@ class ArrayObjectCest
      */
     public function testToTable( UnitTester $I )
     {
-        require __DIR__ . "/../../vendor/yiisoft/yii2/Yii.php";
         $table = $this->arrayObject->toTable();
 
         $I->assertContains( '<table class="table table-bordered table-striped">', $table );