* Changed {reverse} handling of strings; fixed mb strings

lib/Dwoo.php

@@ -658,6 +658,8 @@ class Dwoo
 	/**
 	 * returns the character set used by the string manipulation plugins
 	 *
+	 * the charset is automatically lowercased
+	 *
 	 * @return string
 	 */
 	public function getCharset()

lib/plugins/builtin/functions/reverse.php

@@ -26,7 +26,14 @@ function Dwoo_Plugin_reverse(Dwoo $dwoo, $value, $preserve_keys=false)
 {
 	if (is_array($value)) {
 		return array_reverse($value, $preserve_keys);
+	} elseif(($charset=$dwoo->getCharset()) === 'iso-8859-1') {
+		return strrev((string) $value);
 	} else {
-		return implode('', array_reverse(str_split((string) $value, 1)));
+	    $strlen = mb_strlen($value);
+	    $out = '';
+	    while ($strlen--) {
+	        $out .= mb_substr($value, $strlen, 1, $charset);
+	    }
+		return $out;
 	}
 }