[3.0.0] Upgraded test scripts and other goodies. Also removed some PHP4 cruft.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1482 48356398-32a2-884e-a903-53898d9a118a

tests/HTMLPurifier/EntityParserTest.php

@@ -69,7 +69,7 @@ class HTMLPurifier_EntityParserTest extends HTMLPurifier_Harness
             $this->assertIdentical(
                 $this->EntityParser->substituteNonSpecialEntities($string),
                 $expect,
-                $arg[0] . ': %s'
+                'Identical expectation [Hex: '. dechex($arg[0]) .']'
             );
         }