Html clear function returns self, so can chain properly

src/Html.php

@@ -167,10 +167,11 @@ public function registerProcessorArray(array $processors = null){
 	 * ( normally manually setting any processor after
 	 * defaut has been set will clear defaults )
 	 * 
-     * @return void
+     * @return Corbinjurgens\QTrans\Html
 	 */
 	public function clear(){
 		$this->registered_processor = [];
+		return $this;
 	}
 
 	/**