bug fixes

Author: František Mazura

src/AbstractValueObject.php

@@ -303,13 +303,14 @@ private static function createValueObject($className, $data)
 		return false;
 	}
 
-	public function setOriginalValue(string $attrName, $value)
+	public function setOriginalValue(string $attrName, $value): self
 	{
 		$this->originalValues[$attrName] = $value;
+		return $this;
 	}
 
 	public function getOriginalValue(string $attrName)
 	{
-		$this->originalValues[$attrName];
+		return $this->originalValues[$attrName];
 	}
 }

src/Interfaces/ValueObjectInterface.php

@@ -106,9 +106,9 @@ public function isIgnoredAttr(string $attrName): bool;
 	 *
 	 * @param string $attrName
 	 * @param $value
-	 * @return mixed
+	 * @return self
 	 */
-	public function setOriginalValue(string $attrName, $value);
+	public function setOriginalValue(string $attrName, $value): self;
 
 	/**
 	 * get original init value passed into setter before transformation