Mustache template should use Mustache_Engine

lib/Toby/Template/Mustache.php

@@ -5,12 +5,12 @@ class Mustache extends \Toby\Template
 {
 	public function render($locals,$yield)
 	{
-		if(!class_exists("\\Mustache")) throw new \Rackem\Exception("Required class 'Mustache' not found.");
+		if(!class_exists("\\Mustache_Engine")) throw new \Rackem\Exception("Required class 'Mustache_Engine' not found.");
 		$template = file_get_contents($this->file);
-		$engine = new \Mustache();
+		$engine = new \Mustache_Engine();
 		$locals["yield"] = $yield;
 		ob_start();
 		echo $engine->render($template,$locals);
 		return ob_get_clean();
 	}
-}
+}