Helper output markdown improved

Author: sabberworm

tests/quickdump.php

@@ -2,14 +2,18 @@
 
 require_once(dirname(__FILE__).'/bootstrap.php');
 
-$oParser = new Sabberworm\CSS\Parser(file_get_contents('php://stdin'));
+$sSource = file_get_contents('php://stdin');
+$oParser = new Sabberworm\CSS\Parser($sSource);
 
 $oDoc = $oParser->parse();
+echo "\n".'#### Input'."\n\n```css\n";
+print $sSource;
 
-echo '#### Structure (`var_dump()`)'."\n";
+echo "\n```\n\n".'#### Structure (`var_dump()`)'."\n\n```php\n";
 var_dump($oDoc);
 
-echo '#### Output (`render()`)'."\n";
+echo "\n```\n\n".'#### Output (`render()`)'."\n\n```css\n";
 print $oDoc->render();
-echo "\n";
+
+echo "\n```\n";