Add render method for resources and booleans. Throw UnexpectedValueEx…

…ception for resources.

src/Templates/Savant/Main.php

@@ -580,6 +580,16 @@ function render($mixed = null, $template = null)
         return $this->$method($mixed, $template);
     }
 
+    protected function renderResource($resouce, $template = null)
+    {
+        throw new UnexpectedValueException('No way to render a resource!');
+    }
+
+    protected function renderBoolean($bool, $template = null)
+    {
+        return $this->renderString((string)$bool, $template);
+    }
+
     protected function renderDouble($double, $template = null)
     {
         return $this->renderString($double, $template);

src/Templates/Savant/UnexpectedValueException.php

@@ -0,0 +1,7 @@
+<?php
+namespace pear2\Templates\Savant;
+
+class UnexpecteValueException implements Exception extends \UnexpectedValueException
+{
+
+}