diff --git a/config.ini b/config.ini
index 8f4c019..127f608 100644
--- a/config.ini
+++ b/config.ini
@@ -22,7 +22,7 @@ cert_pub = NULL
 hash = NULL
 
 ;[subdirs]
-;tftproot = tftpboot
+;tftproot = data
 ;firmware = firmware
 ;settings = settings
 ;wallpapers = wallpapers
diff --git a/lib/config.php b/lib/config.php
index 194424e..40c9dff 100644
--- a/lib/config.php
+++ b/lib/config.php
@@ -1,4 +1,7 @@
 <?php
+declare(strict_types=1);
+namespace SCCP\Config;
+
 include_once("logger.php");
 include_once("utils.php");
 $base_path = realpath(__DIR__ . DIRECTORY_SEPARATOR . "..");
@@ -24,8 +27,8 @@ class ConfigParser {
 		hash = NULL
 
 		[subdirs]
-		etc = ../etc
-		tftproot = tftpboot
+		etc = etc
+		data = data
 		firmware = firmware
 		settings = settings
 		wallpapers = wallpapers
@@ -72,7 +75,7 @@ class ConfigParser {
 			$config = array_merge($default_config, $ini_config);
 		}
 		$config['main']['base_path'] = $base_path;
-		$config['main']['tftproot'] = (!empty($config['main']['tftproot'])) ? $base_path . "tftpboot" : '/tftpboot';
+		$config['main']['data'] = (!empty($config['main']['data'])) ? $base_path . "data" : DIRECTORY_SEPARATOR . 'data';
 		$config['subdirs'] = $this->replaceSubdirTreeStructure($config['subdirs']);
 		$this->config = $config;
 	}
@@ -85,12 +88,12 @@ class ConfigParser {
 	private function replaceSubdirTreeStructure($tmpSubdirs) {
 		$tree_structure = Array(
 			'etc' => array('parent' => NULL, "strip" => true),
-			'tftproot' => array('parent' => NULL, "strip" => true),
-			'settings' => array('parent' => 'tftproot', "strip" => true),
-			'wallpapers' => array('parent' => 'tftproot', "strip" => false),
-			'ringtones' => array('parent' => 'tftproot', "strip" => true),
-			'locales' => array('parent' => 'tftproot', "strip" => true),
-			'firmware' => array('parent' => 'tftproot', "strip" => true),
+			'data' => array('parent' => NULL, "strip" => true),
+			'settings' => array('parent' => 'data', "strip" => true),
+			'wallpapers' => array('parent' => 'data', "strip" => false),
+			'ringtones' => array('parent' => 'data', "strip" => true),
+			'locales' => array('parent' => 'data', "strip" => true),
+			'firmware' => array('parent' => 'data', "strip" => true),
 			'languages' => array('parent' => 'locales', "strip" => false),
 			'countries' => array('parent' => 'locales', "strip" => false),
 		);
@@ -98,16 +101,10 @@ class ConfigParser {
 		$subdirs = Array();
 		foreach ($tree_structure as $key => $value) {
 			if (!empty($tmpSubdirs[$key])) {
-				if (substr($tmpSubdirs[$key], 0, 1) !== "/") {
-					if (!$value['parent']) {
-						$path = $tmpSubdirs[$key];
-					} else {
-						if (is_array($tmpSubdirs[$value['parent']])) {
-							$path = $tmpSubdirs[$value['parent']]['path'].'/'.$tmpSubdirs[$key];
-						} else {
-							$path = $tmpSubdirs[$value['parent']].'/'.$tmpSubdirs[$key];
-						}
-					}
+				if (!$value['parent']) {
+					$path = $tmpSubdirs[$key];
+				} else {
+					$path = $subdirs[$value['parent']]['path'] . DIRECTORY_SEPARATOR . $tmpSubdirs[$key];
 				}
 				$subdirs[$key] = array('path' => $path, 'strip' => $value['strip']);
 			}
@@ -190,7 +187,7 @@ $config = $configParser->getConfiguration();
 
 switch($config['main']['log_type']) {
 	case 'SYSLOG':
-		$logger = new Logger_Syslog($config['main']['log_level']);
+		$logger = new \SCCP\Logger\Logger_Syslog($config['main']['log_level']);
 		break;
 	case 'FILE':
 		if (!isempty($config['main']['log_file'])) {
diff --git a/lib/logger.php b/lib/logger.php
index 249d121..2ad173b 100644
--- a/lib/logger.php
+++ b/lib/logger.php
@@ -1,4 +1,7 @@
 <?php
+
+namespace SCCP\Logger;
+
 /* Note about the Logger class:
  * The "priority" and "minimum should be one of the constants used for syslog.
  * See: http://php.net/manual/en/function.syslog.php
diff --git a/lib/resolveCache.php b/lib/resolveCache.php
index 76c54fa..d5dfd1d 100644
--- a/lib/resolveCache.php
+++ b/lib/resolveCache.php
@@ -1,4 +1,7 @@
 <?php
+namespace SCCP\ResolveCache;
+use SCCP\Utils as Utils;
+
 abstract class resolveCache {
 	abstract protected function addFile($filename, $realpath);
 	abstract protected function removeFile($filename);
@@ -27,7 +30,7 @@ class fileCache extends resolveCache {
 				log_error_and_throw("Could not write to file '".$this->_cache_file."' at Resolver::destruct");
 			}*/
 			if (!file_put_contents($this->_cache_file, serialize($this->_cache))) {
-				log_error_and_throw("Could not write to file '".$this->_cache_file."' at Resolver::destruct");
+				Utils\log_error_and_throw("Could not write to file '".$this->_cache_file."' at Resolver::destruct");
 			}
 		}
 	}
@@ -42,7 +45,7 @@ class fileCache extends resolveCache {
 
 	public function addFile($filename, $realpath) {
 		if ($this->check($filename))
-			log_error("Duplicate file:$filename");	/* should we prevent this ? */
+			Utils\log_error("Duplicate file:$filename");	/* should we prevent this ? */
 		$this->_cache[$filename] = $realpath;
 		$this->_isDirty  =true;
 	}
diff --git a/lib/resolver.php b/lib/resolver.php
index e2f7673..2bdaef5 100644
--- a/lib/resolver.php
+++ b/lib/resolver.php
@@ -1,8 +1,14 @@
 <?php
+declare(strict_types=1);
+
+namespace SCCP\Resolve;
 include_once("config.php");
 include_once("utils.php");
 include_once("resolveCache.php");
 
+use SCCP\Utils as Utils;
+use SCCP\ResolveCache as ResolveCache; 
+
 /* Todo:
  ✔️ setup logging
  ✔️ read config.file
@@ -16,6 +22,7 @@ include_once("resolveCache.php");
  
  - Could use some more test-cases, especially error ones
 */
+//class ResolveResult extends Enum {
 class ResolveResult {
 	const Ok = 0;
 	const EmptyRequest = 1;
@@ -33,43 +40,57 @@ class Resolver {
 	private $config;
 	function __construct($config) {
 		$this->config = $config;
-		$this->cache = new fileCache($this->config['main']['cache_filename']);
+ 		$this->cache = new ResolveCache\fileCache($this->config['main']['cache_filename']);
 		if ($this->cache->isDirty()) {
 			$this->rebuildCache();
 		}
 	}
 	
 	public function searchForFile($filename) {
+		$path = "";
 		foreach($this->config['subdirs'] as $key => $value) {
-			if ($key === "firmware" || $key === "tftproot" ) {
+			if ($key === "firmware" || $key === "data" || $key === "etc") {
 				continue;
 			}
-			$path = realpath($this->config['main']['base_path'] . "/" . $value['path'] . "/$filename");
-			if (file_exists($path)) {
-				 $this->cache->addFile($filename, $path);
-				 return $path;
+			$path = realpath($this->config['main']['base_path'] . DIRECTORY_SEPARATOR . $value['path'] . DIRECTORY_SEPARATOR . $filename);
+			if (!$path) {
+				print("path: '" . $this->config['main']['base_path'] . DIRECTORY_SEPARATOR . $value['path'] . DIRECTORY_SEPARATOR . $filename . "' not found\n");
+				return ResolveResult::FileNotFound;
 			}
+			$this->cache->addFile($filename, $path);
+			return $path;
 		}
-		log_error("File '$filename' does not exist");
+		Utils\log_error("File '$filename' does not exist");
 		return ResolveResult::FileNotFound;
 	}
 	
 	public function rebuildCache() {
-		log_debug("Rebuilding Cache, standby...");
+		Utils\log_debug("Rebuilding Cache, standby...");
 		foreach($this->config['subdirs'] as $key =>$value) {
-			if ($key === "tftproot") {
+			if ($key === "data" || $key === "etc") {
 				continue;
 			}
-			$path = $this->config['main']['base_path'] . "/" . $value['path'] . "/";
-			$dir_iterator = new RecursiveDirectoryIterator($path);
-			$iterator = new RecursiveIteratorIterator($dir_iterator, RecursiveIteratorIterator::SELF_FIRST);
+			$path = realpath($this->config['main']['base_path'] . DIRECTORY_SEPARATOR . $value['path'] . DIRECTORY_SEPARATOR);
+			if (!$path) {
+				print("path: '" . $this->config['main']['base_path'] . DIRECTORY_SEPARATOR . $value['path'] . "' not found\n");
+				break;
+			}
+			$dir_iterator = new \RecursiveDirectoryIterator($path);
+			$filter = new \RecursiveCallbackFilterIterator($dir_iterator, function ($current, $key, $iterator) {
+				// Skip hidden files and directories.
+				if ($current->getFilename()[0] === '.' || $current->getFilename() == "bak") {
+					return FALSE;
+				}
+				return TRUE;
+			});
+			$iterator = new \RecursiveIteratorIterator($filter, \RecursiveIteratorIterator::SELF_FIRST);
 			foreach ($iterator as $file) {
 				if ($file->isFile()) {
 					if ($value['strip']) {
 						$this->cache->addFile($file->getFileName(), $file->getPathname());
 					} else {
 						$subdir = basename(dirname($file->getPathname()));
-						$this->cache->addFile('$subpath/'.$file->getFileName(), $file->getPathname());
+						$this->cache->addFile($subdir. DIRECTORY_SEPARATOR . $file->getFileName(), $file->getPathname());
 					}
 				}
 			}
@@ -89,14 +110,14 @@ class Resolver {
 			log_error("Request is not a string");
 			return ResolveResult::RequestNotAString;
 		}
-		log_debug($request . ":" . escapeshellarg($request) . ":" . utf8_urldecode($request) . "\n");
-		$escaped_request = escapeshellarg(utf8_urldecode($request));
+		Utils\log_debug($request . ":" . escapeshellarg($request) . ":" . Utils\utf8_urldecode($request) . "\n");
+		$escaped_request = escapeshellarg(Utils\utf8_urldecode($request));
 		if ($escaped_request !== "'" . $request . "'") {
 			log_error("Request '$request' contains invalid characters");
 			return ResolveResult::RequestContainsInvalidChar;
 		}
 		if (strstr($escaped_request, "..")) {
-			log_error("Request '$request' contains '..'");
+			Utils\log_error("Request '$request' contains '..'");
 			return ResolveResult::RequestContainsPathWalk;
 		}
 		return ResolveResult::Ok;
@@ -132,11 +153,11 @@ class Resolver {
 if(defined('STDIN') ) {
 	$resolver = new Resolver($config);
 	$test_cases = Array(
-		Array('request' => 'jar70sccp.9-4-2ES26.sbn', 'expected' => '/tftpboot/firmware/7970/jar70sccp.9-4-2ES26.sbn'),
-		Array('request' => 'Russian_Russian_Federation/be-sccp.jar', 'expected' => '/tftpboot/locales/languages/Russian_Russian_Federation/be-sccp.jar'),
-		Array('request' => 'Spain/g3-tones.xml', 'expected' => '/tftpboot/locales/countries/Spain/g3-tones.xml'),
-		Array('request' => '320x196x4/Chan-SCCP-b.png', 'expected' => '/tftpboot/wallpapers/320x196x4/Chan-SCCP-b.png'),
-		Array('request' => 'XMLDefault.cnf.xml', 'expected' => '/tftpboot/settings/XMLDefault.cnf.xml'),
+		Array('request' => 'jar70sccp.9-4-2ES26.sbn', 'expected' => '/data/firmware/7970/jar70sccp.9-4-2ES26.sbn'),
+		Array('request' => 'Russian_Russian_Federation/be-sccp.jar', 'expected' => '/data/locales/languages/Russian_Russian_Federation/be-sccp.jar'),
+		Array('request' => 'Spain/g3-tones.xml', 'expected' => '/data/locales/countries/Spain/g3-tones.xml'),
+		Array('request' => '320x196x4/Chan-SCCP-b.png', 'expected' => '/data/wallpapers/320x196x4/Chan-SCCP-b.png'),
+		Array('request' => 'XMLDefault.cnf.xml', 'expected' => '/data/settings/XMLDefault.cnf.xml'),
 		Array('request' => '../XMLDefault.cnf.xml', 'expected' => ResolveResult::RequestContainsPathWalk),
 		Array('request' => 'XMLDefault.cnf.xml/../../text.xml', 'expected' => ResolveResult::RequestContainsPathWalk),
 	);
diff --git a/lib/utils.php b/lib/utils.php
index 095d373..c93767f 100644
--- a/lib/utils.php
+++ b/lib/utils.php
@@ -2,6 +2,7 @@
 //
 // Helper functions
 //
+namespace SCCP\Utils;
 
 function utf8_urldecode($str) {
 	$str = preg_replace("/%u([0-9a-f]{3,4})/i","&#x\\1;",urldecode($str));
diff --git a/lib/xml.php b/lib/xml.php
index ee3c3ce..29ce5e0 100644
--- a/lib/xml.php
+++ b/lib/xml.php
@@ -1,4 +1,6 @@
 <?php
+declare(strict_types=1);
+namespace SCCP\XML;
 include_once("config.php");
 
 class XML {