diff --git a/build/api/module/authentification.php b/build/api/module/authentification.php
deleted file mode 100644
index d52d21a..0000000
--- a/build/api/module/authentification.php
+++ /dev/null
@@ -1,32 +0,0 @@
-<?php
-
-	namespace api\module;
-
-	use \error\core\Error;
-
-
-	class authentification{
-
-
-		/* RENEW CYCLING HASH
-		*
-		* @hash<String> 										New hash
-		*
-		*/
-		public static function renew($args){
-			extract($args);
-
-			/* (1) Fetch cyclic-hashing-system -> check file */
-			$fn =  __BUILD__.'/api/chs/hash';
-
-			if( !is_file($fn) )
-				return ['ModuleError'=>Error::UnreachableResource];
-
-			/* (2) Stores new hash */
-			file_put_contents($fn, $hash);
-
-
-			return [];
-		}
-
-	}
diff --git a/build/api/module/release.php b/build/api/module/release.php
index 48de7f8..506e988 100755
--- a/build/api/module/release.php
+++ b/build/api/module/release.php
@@ -7,58 +7,80 @@
 
 	class release{
 
-		/* PULLS A BRANCH FROM GIT
+		/* Releases a project
 		*
-		* @project<String> 										Project's name
-		* @branch<String> 										Git branch
+		* @project<String> 						Project's name
+		* @step<id> 							[OPT] Step to run
 		*
 		*/
-		public static function pull($args){
+		public function post($args){
 			extract($args);
 
-			/* [1] Load projects' configuration
-			=========================================================*/
+			/* (1) Load projects' configuration
+			---------------------------------------------------------*/
 			/* (1) Fetch file */
 			$fc = file_get_contents(__CONFIG__.'/projects.json');
 			if( !$fc )
-				return ['ModuleError'=>Error::UnreachableResource];
+				return [ 'error' => new Error(Err::UnreachableResource) ];
 
 			/* (2) Checks json format */
 			$js = json_decode( $fc, true );
 
 			if( !$js )
-				return ['ModuleError'=>Error::ParsingFailed];
+				return [ 'error' => new Error(Err::ParsingFailed) ];
 
 
-			/* [2] Checks @project argument and files
-			=========================================================*/
+			/* (2) Checks @project argument and files
+			---------------------------------------------------------*/
 			/* (1) Checks @project */
 			if( !isset($js[$project]) )
-				return ['ModuleError'=>Error::UnreachableResource];
+				return [ 'error' => new Error(Err::UnreachableResource) ];
 
 			/* (2) Checks @project's folder */
-			if( !is_dir($js[$project]['git']) )
-				return ['ModuleError'=>Error::UnreachableResource];
+			if( !is_dir($js[$project]['dir']) )
+				return [ 'error' => new Error(Err::UnreachableResource) ];
 
 			/* (3) Checks @git directory */
-			if( !is_dir($js[$project]['git'].'/.git') )
-				return ['ModuleError'=>Error::UnreachableResource];
+			if( !is_dir($js[$project]['dir']) )
+				return [ 'error' => new Error(Err::UnreachableResource) ];
 
 
-			/* [3] Launch script
-			=========================================================*/
-			/* (1) Launch command + test */
-			$cmd = 'cd '.$js[$project]['git'].'; git pull origin '.$branch.';';
-			$stdout = shell_exec($cmd);
+			/* (3) Launch script
+			---------------------------------------------------------*/
+			/* (1) 'cd' to project dir */
+			chdir($js[$project]['dir']);
 
-			/* (2) If error, raise error */
-			if( is_null($stdout) )
-				return ['ModuleError'=>Error::PermissionError, 'command'=>$cmd];
+			/* (2) If given step, only do this one */
+			if( !is_null($step) ){
 
+				/* (2.1) If step does not exist */
+				if( !isset($js[$project]['cmd'][$step]) )
+					return [ 'error' => new Error(Err::ModuleError, 'step out of bounds') ];
+
+				/* (2.2) Execute step */
+				exec($js[$project]['cmd'][$step], $stdout);
+
+				/* (2.3) Dispatch output */
+				return [ $js[$project]['cmd'][$step] => $stdout ];
+
+			}
+
+			/* (3) Execute each step one by one */
+			$stdout = [];
+
+			foreach($js[$project]['cmd'] as $step=>$cmd){
+
+				/* (3.1) Pre-create stdout */
+				$stdout[$cmd] = '';
+
+				/* (3.2) Execute step */
+				exec($cmd, $stdout[$cmd]);
+
+			}
+
+			/* (4) Dispatch stdout */
+			return [ 'stdout' => $stdout ];
 
-			/* [4] Return success error
-			=========================================================*/
-			return [];
 		}
 
 	}
diff --git a/config/modules.json b/config/modules.json
index 1413009..3b171d9 100755
--- a/config/modules.json
+++ b/config/modules.json
@@ -52,15 +52,17 @@
 	},
 
 
-	"release/pull": {
+	"release": {
 
 		"POST": {
+
 			"description": "Pulls project from git branch.",
-			"permissions": ["cyclic-hash"],
+			"permissions": [["admin"]],
 			"parameters": {
-				"project": { "description": "Project's name.", "type": "varchar(2,30,alphanumeric)" },
-				"branch": { "description": "Git release branch.", "type": "varchar(2,30,alphanumeric)" }
+				"URL0": { "description": "Name of the project to release",                   "type": "alphanumeric", "rename": "project" },
+				"URL1": { "description": "Step to run, if not given, all steps will be run", "type": "id",           "rename": "step"    }
 			}
+
 		}
 	}
 }
diff --git a/config/projects.json b/config/projects.json
index ab48f12..6f43d59 100755
--- a/config/projects.json
+++ b/config/projects.json
@@ -1,5 +1,11 @@
 {
 
+	"prod-releaser": {
+		"dir":      "/vhost/prod-releaser",
+		"cmd" : [
+			"git pull origin master"
+		]
+	},
 	"ndli1718": {
 		"dir":      "/vhost/ndli1718",
 		"cmd" : [