Bom pessoal seguinte tneho o meu código LoddAlteraUrl.class.php:

<?php

class CodonRewrite
{

	public static $rewrite_rules = array();
	public static $get;
	public static $controller;
	public static $current_module;
	public static $current_action;

	public static $params;

	public static $peices;
	public static $run=false;

	/**
 * Process the rewrite rules, store the results
 * into self::$get
 */
	public static function ProcessRewrite()
	{
 $URL = $_SERVER['REQUEST_URI'];

 # Get everything after the .php/ and before the ?
 $params = explode('.php/', $URL);
 $preg_match = $params[1];

 $params = explode('?', $preg_match);
 $split_parameters = $params[0];

 # Now check if there's anything there (we didn't just have
 #	index.php?query_string=...
 # If that's all, then we grab a configuration setting that
 #	specifies the default rewrite, ie: news/showall
 #	Which would eq. passing index.php/news/showall
 if($split_parameters == '')
 {
 $split_parameters = CODON_DEFAULT_MODULE;
 }

 # Now we split it all out, and store the peices
 self::$peices = explode('/', $split_parameters);
 $module_name = strtolower(self::$peices[0]);

 if($module_name == '') # If it's blank, check $_GET
 {
 $module_name = $_GET['module'];
 }

 self::$current_module = $module_name;
 self::$current_action = strtolower(self::$peices[1]);

 unset(self::$peices[0]);
 unset(self::$peices[1]);

 # Restored, some addons are relying on this
 $_GET['module'] = $module_name;

 self::$controller = new stdClass;
 self::$controller->module = $module_name;
 self::$controller->controller = $module_name;
 self::$controller->function = self::$current_action;
 self::$controller->action = self::$current_action;
 self::$controller->page = self::$current_action;

 self::$params = array();
 foreach(self::$peices as $peice)
 {
 self::$params[] = $peice;
 }

 # Create the object to hold all of our stuff
 self::$get = new stdClass;
 //self::$get->action = self::$current_action;

 # If we haven't specified specific rules for a module,
 #	Then we use the rules we made for "default"
 if(!array_key_exists($module_name, self::$rewrite_rules))
 {
 $module_name = 'default';
 }

 # This parses now the rules for a specific module
 //self::ProcessModuleRewrite($module_name);

 # And this tacks on our $_GET rules
 parse_str($_SERVER['QUERY_STRING'], $get_extra);
 $_GET = array_merge($_GET, $get_extra);

 # Add the $_GET to our object
 foreach($_GET as $key=>$value)
 {
 self::$get->$key = $value;
 }

 self::$run = true;
	}

	/**
 * Add a rewrite rule for the module
 *
 * @deprecated
 *
 * @param string $module Module name
 * @param array $params The rewrite rules in order array('parameter1'=>'type', 'parameter2')
 * Type can be 'string', 'int', 'float', optional, blank defaults to string
 * @return mixed This is the return value description
 */
	/*public static function AddRule($module, $params)
	{
 # Clean
 $set_params=array();
 $module = strtolower($module);

 # Format the rules, make sure we arrange
 foreach($params as $key=>$value)
 {
 # If it wasn't done as $key=>$value, just $key,
 #	set the default value type as a string
 if(is_numeric($key))
 $set_params[$value]='string';
 else
 $set_params[$key]=$value;
 }

 self::$rewrite_rules[$module] = $set_params;

 # This is for if we've already processed the rules
 #	once. This will allow the rules to be changed
 #	"on the fly", for example, inside a controller
 if(self::$run == true)
 {
 # Reprocess the rules
 #self::ProcessModuleRewrite($module);
 }
	}*/

	/**
 * Process an individual module based on the latest rules
 * DEPRECATED
 *
 * @deprecated
 *
 * @param string $module_name Name of the module to re-process
 * @return mixed This is the return value description
 *
 */
	/*public static function ProcessModuleRewrite($module_name)
	{
 $i=1;

 # Make sure it's valid
 if(is_array(self::$rewrite_rules[$module_name]))
 {
 # Walk through every peice of the array, $key is the
 #	index name, and $type is well, the type

 foreach(self::$rewrite_rules[$module_name] as $key=>$type)
 {
 if(!isset(self::$peices[$i]))
 {
 continue;
 }

 $val = self::$peices[$i];
 $i++;

 # Convert to type specified
 if($type == 'int')
 $val = intval($val);
 elseif($type == 'float')
 $val = floatval($val);

 # We can do any other processing we want here

 # Add it both into the $_GET array, and into
 #	our object
 self::$get->$key = $val;
 $_GET[$key] = $val;
 }
 }
	}*/
}

E o meu .htacces esta da seguinte maneira:

main page of the site

DirectoryIndex index.php

prevent viewing of a specific file

<FilesMatch "\.(htaccess|htpasswd|ini|phps|fla|psd|log|sh|tpl)$">
 Order Allow,Deny
 Deny from all
</FilesMatch>

prevent viewing of index

Options -Indexes

#Can give without index.php for the modules
RewriteEngine on

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?q=$1 [L]
E então quando acesso a URL: http://www.meusite.com.br/index.php/contatoele abre a página normalmente, porém quando eu coloco http://www.meusite.com.br/contato o site também abre normalmente, não retorna erro, mas o que acontece é que ele exibe a página inicial ao invés da página contato!

Alguém pode me ajudar?