diff --git a/build/api/core/AuthSystemDefault.php b/build/api/core/AuthSystemDefault.php
new file mode 100644
index 0000000..e6b5814
--- /dev/null
+++ b/build/api/core/AuthSystemDefault.php
@@ -0,0 +1,31 @@
+<?php
+	/**************************
+	*      API AuthSystem     *
+	*        08-12-2016       *
+	***************************
+	* Designed & Developed by *
+	*      xdrm-brackets      *
+	***************************
+	*    https://xdrm.io/     *
+	**************************/
+
+	namespace api\core;
+
+	use \error\core\Err;
+	use \error\core\Error;
+
+	class AuthSystemDefault implements AuthSystem{
+
+		/* VERIFICATION DES ACCES EN FONCTION DE PERMISSIONS ATTENDUES
+		*
+		* @expected<array> 										Liste des permissions attendues
+		*
+		* @return error<Error> 									Erreur associée à la permission (Success/PermissionError/TokenError/etc)
+		*
+		*/
+		public static function permission($expected){
+			return new Error(Err::Success);
+		}
+	}
+
+?>
diff --git a/build/error/core/Err.php b/build/error/core/Err.php
new file mode 100755
index 0000000..449733e
--- /dev/null
+++ b/build/error/core/Err.php
@@ -0,0 +1,112 @@
+<?php
+
+
+	namespace error\core;
+
+
+	class Err{
+		/* [1] Success
+		=========================================================*/
+			const Success             = 0;
+
+
+		/* [2] Fichiers / Ressources
+		=========================================================*/
+			/* (1) Parsage json/xml */
+			const ParsingFailed       = 1;
+			/* (2) Fichier inexistant */
+			const UnreachableResource = 2;
+			/* (3) Erreur d'upload */
+			const UploadError         = 3;
+			/* (4) Mauvais format de fichier */
+			const FormatError         = 4;
+
+
+		/* [3] Permissions
+		=========================================================*/
+			/* (1) Token inexistant ou incorrect */
+			const TokenError          = 5;
+			/* (2) Permission non autorisée */
+			const PermissionError     = 6;
+
+
+
+
+		/* [4] API
+		=========================================================*/
+			/* (1) Le module n'est pas activé */
+			const DisabledModule      = 7;
+
+			/* (2) Le @path n'est pas renseigne */
+			const MissingPath         = 8;
+			/* (3) Verification de la coherence du chemin (existe dans la conf) */
+			const WrongPathModule     = 9;
+
+			/* (4) Module non specifie dans la conf */
+			const UnknownModule       = 10;
+			/* (5) Methode non specifie pour ce Module dans la conf */
+			const UnknownMethod       = 11;
+
+			/* (6) Module non amorcable */
+			const UncallableModule    = 12;
+			/* (7) Methode non amorcable */
+			const UncallableMethod    = 13;
+
+			/* (8) Erreur méthode HTTP */
+			const UnknownHttpMethod   = 14;
+
+			/* (9) Erreur de configuration */
+			const ConfigError         = 15;
+			/* (10) Paramètre manquant */
+			const MissingParam        = 16;
+			/* (11) Paramètre incorrect */
+			const WrongParam          = 17;
+			/* (12) Erreur dans le traitement */
+			const ModuleError         = 18;
+
+
+		/* [5] Database
+		=========================================================*/
+		/* (1) Base de données
+		---------------------------------------------------------*/
+			/* (1) Erreur lors de la creation d'un objet PDO (connection) */
+			const PDOConnection       = 19;
+
+		/* (2) Repositories
+		---------------------------------------------------------*/
+			/* (1) Verification de la coherence du chemin (existe dans la conf) */
+			const WrongPathRepo       = 20;
+
+			/* (2) Module non specifie dans la conf */
+			const UnknownRepo         = 21;
+
+			/* (3) Erreur dans le traitement */
+			const RepoError           = 22;
+
+		/* (3) ORM
+		---------------------------------------------------------*/
+			/* (1) Table n'existe pas */
+			const UnknownTable        = 23;
+			/* (2) Pas permissions de lire le schéma */
+			const NotAllowedSchema    = 24;
+
+
+		/* [6] Erreurs diverses
+		=========================================================*/
+			/* (1) Aucune donnée trouvée */
+			const NoMatchFound        = 25;
+
+			/* (2) Mauvais chemin de template */
+			const UnknownTemplate     = 26;
+
+			/* (3) géolocalisation échouée */
+			const UnknownAddress      = 27;
+
+			/* (4) Erreur inconnue */
+			const UnknownError        = 28;
+
+			/* (5) Entrée existante */
+			const AlreadyExists       = 29;
+	}
+
+?>
diff --git a/build/error/core/Error.php b/build/error/core/Error.php
new file mode 100755
index 0000000..9d2d2d0
--- /dev/null
+++ b/build/error/core/Error.php
@@ -0,0 +1,197 @@
+<?php
+
+
+	namespace error\core;
+
+	use \error\core\Err;
+
+	class Error{
+
+		private $error     = null;
+		private $arguments = [];
+
+		/* ERROR CONSTRUCTOR
+		*
+		* @error<const> 										Const error
+		* @arg1<String>											[OPT] Argument 1
+		* @arg2<String>											[OPT] Argument 2
+		* @arg...<String>										[OPT] Argument ...
+		*
+		* @return instance<Error> 								Error instance
+		*
+		*/
+		public function __construct($const){
+			call_user_func_array([$this, 'set'], func_get_args());
+		}
+
+		/* ERROR GETTER
+		*
+		* @return Err<Err::Constant> 					Error
+		*
+		*/
+		public function get(){ return $this->error; }
+
+		/* ERROR SETTER
+		*
+		* @error<const> 										Const error
+		* @arg1<String>											[OPT] Argument 1
+		* @arg2<String>											[OPT] Argument 2
+		* @arg...<String>										[OPT] Argument ...
+		*
+		* @return instance<Error> 								Error instance
+		*
+		*/
+		public function set($const){
+			/* [1] On découpe les arguments
+			=========================================================*/
+			/* (1) On récupère l'erreur */
+			$this->error = !is_numeric($const) ? Err::UnknownError : $const;
+
+			/* (2) On récupère les arguments */
+			$this->arguments = array_slice(func_get_args(), 1);
+		}
+
+
+		/* EXPLICITE UN CODE D'ERREUR
+		*
+		* @return explicit<String> 							Description explicite du code d'erreur
+		*
+		*/
+		public function explicit(){
+			switch($this->error){
+				case Err::Success:             return $this->Success();             break;
+				case Err::ParsingFailed:       return $this->ParsingFailed();       break;
+				case Err::UnreachableResource: return $this->UnreachableResource(); break;
+				case Err::UploadError:         return $this->UploadError();         break;
+				case Err::FormatError:         return $this->FormatError();         break;
+				case Err::TokenError:          return $this->TokenError();          break;
+				case Err::PermissionError:     return $this->PermissionError();     break;
+				case Err::DisabledModule:      return $this->DisabledModule();      break;
+				case Err::MissingPath:         return $this->MissingPath();         break;
+				case Err::WrongPathModule:     return $this->WrongPathModule();     break;
+				case Err::UnknownModule:       return $this->UnknownModule();       break;
+				case Err::UnknownMethod:       return $this->UnknownMethod();       break;
+				case Err::UncallableModule:    return $this->UncallableModule();    break;
+				case Err::UncallableMethod:    return $this->UncallableMethod();    break;
+				case Err::UnknownHttpMethod:   return $this->UnknownHttpMethod();   break;
+				case Err::ConfigError:         return $this->ConfigError();        break;
+				case Err::MissingParam:        return $this->MissingParam();        break;
+				case Err::WrongParam:          return $this->WrongParam();          break;
+				case Err::ModuleError:         return $this->ModuleError();         break;
+				case Err::PDOConnection:       return $this->PDOConnection();       break;
+				case Err::WrongPathRepo:       return $this->WrongPathRepo();       break;
+				case Err::UnknownRepo:         return $this->UnknownRepo();         break;
+				case Err::RepoError:           return $this->RepoError();           break;
+				case Err::UnknownTable:        return $this->UnknownTable();        break;
+				case Err::NotAllowedSchema:    return $this->NotAllowedSchema();    break;
+				case Err::NoMatchFound:        return $this->NoMatchFound();        break;
+				case Err::UnknownTemplate:     return $this->UnknownTemplate();     break;
+				case Err::UnknownAddress:      return $this->UnknownAddress();      break;
+				case Err::UnknownError:        return $this->UnknownError();        break;
+				case Err::AlreadyExists:       return $this->AlreadyExists();       break;
+
+				default:                       return $this->UnknownDebugError();   break;
+			}
+		}
+
+
+		private function Success(){
+			return 'all right';
+		}private function ParsingFailed(){
+			if(	count($this->arguments) > 0 )
+				return $this->arguments[0].' parsing failed';
+			else
+				return 'parsing failed';
+		}private function UnreachableResource(){
+			return 'unreachable resource';
+		}private function UploadError(){
+			return 'upload error';
+		}private function FormatError(){
+			return 'format error';
+		}private function TokenError(){
+			return 'bad or expired token';
+		}private function PermissionError(){
+			if(	count($this->arguments) > 0 )
+				return "missing permission: '".$this->arguments[0]."'";
+			else
+				return 'permission error';
+		}private function DisabledModule(){
+			return 'disabled module';
+		}private function MissingPath(){
+			return 'missing path';
+		}private function WrongPathModule(){
+			return 'wrong module\'s path';
+		}private function UnknownModule(){
+			if(	count($this->arguments) > 0 )
+				return 'unknown module \''.$this->arguments[0].'\'';
+			else
+				return 'unknown module';
+		}private function UnknownMethod(){
+			if(	count($this->arguments) > 0 )
+				return 'unknown method \''.$this->arguments[0].'\'';
+			else
+				return 'unknown method';
+		}private function UncallableModule(){
+			if(	count($this->arguments) > 0 )
+				return 'uncallable module \''.$this->arguments[0].'\'';
+			else
+				return 'uncallable module';
+		}private function UncallableMethod(){
+			if(	count($this->arguments) > 0 )
+				return 'uncallable method \''.$this->arguments[0].'\'';
+			else
+				return 'uncallable method';
+		}private function UnknownHttpMethod(){
+			return 'unknown HTTP method';
+		}private function ConfigError(){
+			return 'configuration error';
+		}private function MissingParam(){
+			if(	count($this->arguments) > 0 )
+				return 'missing param \''.$this->arguments[0].'\'';
+			else
+				return 'missing param';
+		}private function WrongParam(){
+			if(	count($this->arguments) > 0 )
+				if(	count($this->arguments) > 1 )
+					return 'wrong param \''.$this->arguments[0].'\' expected to be of type \''.$this->arguments[1].'\'';
+				else
+					return 'wrong param \''.$this->arguments[0].'\'';
+			else
+				return 'wrong param';
+		}private function ModuleError(){
+			return 'module error';
+		}private function PDOConnection(){
+			return 'database error';
+		}private function WrongPathRepo(){
+			return 'wrong repository\'s path';
+		}private function UnknownRepo(){
+			return 'unknown repository';
+		}private function RepoError(){
+			return 'repository error';
+		}private function UnknownTable(){
+			return 'unknown table';
+		}private function NotAllowedSchema(){
+			return 'schema browsing not allowed';
+		}private function NoMatchFound(){
+			return 'no match found';
+		}private function UnknownTemplate(){
+			return 'unknown template';
+		}private function UnknownAddress(){
+			return 'unknown';
+		}private function UnknownError(){
+			return 'unknown error';
+		}private function AlreadyExists(){
+			return 'item already exists';
+		}private function UnknownDebugError(){
+			return 'unknown debug error';
+		}
+
+
+		public function setHttpCode(){
+			http_response_code( $this->error == Err::Success ? 200 : 417 );
+		}
+
+	}
+
+
+?>
diff --git a/build/http/core/HttpRequest.php b/build/http/core/HttpRequest.php
new file mode 100644
index 0000000..f2d919a
--- /dev/null
+++ b/build/http/core/HttpRequest.php
@@ -0,0 +1,230 @@
+<?php
+
+	namespace http\core;
+
+
+	class HttpRequest{
+
+		/* [0] Constants
+		=========================================================*/
+		/* (1) Content-Type */
+		const CT_BINARY                = 0; // unknown
+		const CT_TEXT                  = 1;
+		const CT_JSON                  = 2;
+		const CT_YAML                  = 3;
+		const CT_MULTIPART_FORM_DATA   = 4;
+		const CT_X_WWW_FORM_URLENCODED = 5;
+
+
+		/* [1] Attributes
+		=========================================================*/
+		private $uri;
+		private $headers;
+		private $method;
+		private $postdata;
+		private $getdata;
+
+		private $type;
+		private $body;
+
+
+		/* [2] Constructs an HTTP Request based on environment
+		*
+		* @return instance<HttpRequest> 								auto-filled HTTP Request
+		*
+		=========================================================*/
+		public function __construct(){
+			/* [1] Define URI & Status Code & method
+			=========================================================*/
+			$this->uri        = $_SERVER['REQUEST_URI'];
+			$this->method     = $_SERVER['REQUEST_METHOD'];
+
+
+			/* [2] Define headers
+			=========================================================*/
+			$this->headers = self::getallheaders_adapter();
+
+
+			/* [3] Define default datasets (GET, POST)
+			=========================================================*/
+			$this->getdata  = $_GET;
+			$this->postdata = $_POST;
+
+
+			/* [4] Define BODY & its type
+			=========================================================*/
+			/* (1) Default: set plain/text body */
+			$this->body = \file_get_contents('php://input');
+
+			/* (2) Fetch content type */
+			if( isset($this->headers['Content-Type']) )
+				$this->type  = self::getContentType($this->headers['Content-Type']);
+			else
+				$this->type  = self::getContentType();
+
+
+			/* [5] Parse BODY data -> POST
+			=========================================================*/
+			$this->parseBody();
+		}
+
+
+
+		/* GET CONSTANT CT_* FROM `Content-Type` HEADER
+		*
+		* @pContentType<String> 								`Content-Type` header value
+		*
+		* @return type<int> 									Constant value
+		*
+		*/
+		private static function getContentType($pContentType=null){
+			/* [1] Checks argv
+			=========================================================*/
+			if( is_null($pContentType) )
+				if( isset($_SERVER['CONTENT_TYPE']) )
+					$pContentType = $_SERVER['CONTENT_TYPE'];
+				else
+					$pContentType = 'text/plain';
+
+
+			/* [2] Checks types
+			=========================================================*/
+			/* (1) Form Data Types
+			---------------------------------------------------------*/
+			/* (1) multipart/form-data */
+			if( preg_match('/^multipart\/form\-data; boundary=(.+)$/i', $pContentType) )
+				return self::CT_MULTIPART_FORM_DATA;
+
+			/* (2) application/x-www-form-urlencoded */
+			if( preg_match('/^application\/x\-www\-form\-urlencoded/i', $pContentType) )
+				return self::CT_X_WWW_FORM_URLENCODED;
+
+
+			/* (2) Data types
+			---------------------------------------------------------*/
+			/* (1) Basic JSON content type */
+			if( preg_match('/^application\/json/i', $pContentType) )
+				return self::CT_JSON;
+
+			/* (2) Basic YAML content type */
+			if( preg_match('/^application\/yaml/i', $pContentType) )
+				return self::CT_YAML;
+
+			/* (3) Basic TEXT content type */
+			if( preg_match('/text\/[a-z]+/', $pContentType) )
+				return self::CT_TEXT;
+
+
+			/* (3) Default Type
+			---------------------------------------------------------*/
+			return self::CT_BINARY;
+
+		}
+
+
+
+		/* PARSES BODY DATA
+		*
+		*/
+		private function parseBody(){
+			/* [1] If empty body -> do nothing
+			=========================================================*/
+			if( strlen($this->body) === 0 )
+				return true;
+
+
+			/* [2] Management for each ContentType
+			=========================================================*/
+			switch($this->type){
+
+				/* (1) multipart/form-data -> parse for not-POST methods
+				---------------------------------------------------------*/
+				case self::CT_MULTIPART_FORM_DATA:
+					/* (1) Fetch the boundary */
+					if( !preg_match('/boundary=(.+)$/i', $this->headers['Content-Type'], $match) )
+						return false;
+
+					$boundary = $match[1];
+
+					/* (2) Break body into parts */
+					$splitter  = "/(?:\n|\r\n|--)*$boundary(?:\n|\r\n|--)?/im";
+					$parts     = preg_split($splitter, $this->body);
+
+					/* (3) Process parts */
+					foreach($parts as $part)
+						if( preg_match('/^Content\-Disposition: form\-data; name=\"([^"]+)\"(?:\n|\r\n){2}(.+)$/mi', $part, $match) )
+							$this->postdata[$match[1]] = $match[2];
+
+					/* (4) Erases body */
+					$this->body = '';
+					break;
+
+
+				/* (2) application/x-www-form-urlencoded -> parse for not-POST methods
+				---------------------------------------------------------*/
+				case self::CT_X_WWW_FORM_URLENCODED:
+					/* Auto parse builtin-php function */
+					parse_str($this->body, $this->postdata);
+
+					/* Erases body */
+					$this->body = '';
+					break;
+
+
+				/* (3) application/json -> parse if no error
+				---------------------------------------------------------*/
+				case self::CT_JSON:
+					/* (1) Decode body content */
+					$decoded = json_decode($this->body, true);
+
+					/* (2) If error -> do nothing */
+					if( is_null($decoded) )
+						return;
+
+					/* (3) Parse body into body */
+					$this->body = $decoded;
+					break;
+
+
+				/* (4) application/yaml -> parse if no error
+				---------------------------------------------------------*/
+				case self::CT_YAML:
+
+					break;
+			}
+		}
+
+
+		public function BODY(){    return $this->body;     }
+		public function POST(){    return $this->postdata; }
+		public function GET(){     return $this->getdata;  }
+		public function HEADERS(){ return $this->headers;  }
+		public function METHOD(){  return $this->method;   }
+		public function URI(){     return $this->uri;      }
+
+
+		private static function getallheaders_adapter(){
+			/* (1) If exists -> use it
+			---------------------------------------------------------*/
+			if( function_exists('getallheaders') )
+				return getallheaders();
+
+			/* (2) If does not (php-fpm)
+			---------------------------------------------------------*/
+			/* (1) init. variables */
+			$fetched_headers = [];
+
+			/* (2) Get all headers from $_SERVER */
+			foreach($_SERVER as $hname=>$hvalue ){
+
+				// {1} Store only if begins with 'HTTP_' //
+				if( substr($hname,0,5) == 'HTTP_' )
+					$fetched_headers[ str_replace(' ', '-', ucwords(strtolower(str_replace('_', ' ', substr($hname,5)))))] = $hvalue;
+
+			}
+
+			/* (3) Return created headers */
+			return $fetched_headers;
+
+		}
+	}
diff --git a/build/router/core/Router.php b/build/router/core/Router.php
index f2200a7..19d7f1f 100644
--- a/build/router/core/Router.php
+++ b/build/router/core/Router.php
@@ -239,7 +239,7 @@
 			/* (2) Replace special characters + replace vars
 			---------------------------------------------------------*/
 			/* (1) Check default URL format */
-			if( !preg_match('/^(\/[\w\{\}-]*)*\/?$/', $pattern) )
+			if( !preg_match('/^(\/[\w\{\}\.-]*)*\/?$/', $pattern) )
 				return false;
 
 			/* (2) Escape special characters */
diff --git a/public_html/view/homepage.php b/public_html/view/homepage.php
index 919c3e4..826e0da 100644
--- a/public_html/view/homepage.php
+++ b/public_html/view/homepage.php
@@ -1,3 +1,3 @@
-<?php require_once '../../autoloader.php';
+<?php
 
 	echo "home page";
\ No newline at end of file