diff --git a/.gitignore b/.gitignore
index 96374c4..32c8834 100644
--- a/.gitignore
+++ b/.gitignore
@@ -41,3 +41,6 @@ $RECYCLE.BIN/
 Network Trash Folder
 Temporary Items
 .apdisk
+
+INSTALL.php
+config.php
diff --git a/.htaccess b/.htaccess
index 9862c54..b099100 100644
--- a/.htaccess
+++ b/.htaccess
@@ -1,2 +1,2 @@
-Options All -Indexes
-DirectoryIndex api.php
+Options ALL -Indexes
+DirectoryIndex api.php
\ No newline at end of file
diff --git a/api.php b/api.php
index 4dfc75c..93b81e1 100644
--- a/api.php
+++ b/api.php
@@ -10,11 +10,23 @@ function hash_equals($a, $b) {
  	}
  }   
     
-$itemName = $_POST['item'];
-$itemCount = $_POST['count'];
-$jsonData = $_POST['jsonArray'];
-$function = $_POST['function'];
+if(isset($_POST['item']))
+	$itemName = $_POST['item'];
+
+if(isset($_POST['count']))
+	$itemCount = $_POST['count'];
+
+if(isset($_POST['jsonArray']))
+	$jsonData = $_POST['jsonArray'];
+
+if(!isset($_POST['function']))
+	die("No function");
+
+if(!isset($_POST['auth']))
+	die("No auth");
+
 $auth = $_POST['auth'];
+$function = $_POST['function'];
 
 include('config.php');
 
@@ -44,10 +56,13 @@ function hash_equals($a, $b) {
 
 
 include $dbConnector;
-	
+	/* WHAT?
 	if (!hash_equals($authKey, crypt($auth, $authKey))){
 		die (json_encode(array('type' => API_ERROR_403, 'content' => 'Authentication failed.')));
 	}
+	*/
+	if($auth!==$authKey)
+		die (json_encode(array('type' => API_ERROR_403, 'content' => 'Authentication failed.')));
 	
 	$db = NEW DataBase($dbConfig);
 	
diff --git a/config.php b/config.php
deleted file mode 100644
index 7278a42..0000000
--- a/config.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-	/*##########################################################
-	# Last Author: beli3ver
-	# Last edit: 2015-08-31 03:30pm
-	############################################################*/
-	
-	/*##########################################################
-	# Auth Key / Password, to get acces to the database	   #
-	############################################################*/
-    	$authKey = '';
-	/*##########################################################
-	# Branch: stable, testing, experimental			   #
-	############################################################*/	
-	$branch = "stable";
-	/*##########################################################
-	# Database: MySQL, SQLite				   #
-	############################################################*/	
-	$dataBase = "SQLite";
-	/*##########################################################
-	# SQLite Config						   #
-	############################################################*/		
-	$SQLiteConfig = array('file' => "shoppinglist.sqlite");
-	/*##########################################################
-	# MySQL Config						   #
-	############################################################*/
-	$MySQLConfig = array('host' => "host",'db' => "db",'user' => "user",'password' => "password",);
-?>
-
diff --git a/mysql_connector.php b/mysql_connector.php
index 58075a6..0718997 100644
--- a/mysql_connector.php
+++ b/mysql_connector.php
@@ -1,5 +1,5 @@
  <?php
-	include('CONSTANTS.php');
+	include_once('CONSTANTS.php');
 	class DataBase
         {
         var $server, $username, $password, $database;
@@ -78,11 +78,14 @@ function saveMultiple($jsonData)
 			return $result;
             }
 			
-		function deleteMultiple($jsonData)
-            {
-				if(empty($jsonData)) {
-					die(json_encode(array('type' => API_ERROR_MISSING_PARAMETER, 'content' => 'parameter missing for deleteMultiple')));
-				}
+		function deleteMultiple($jsonData) {
+			if(empty($jsonData)) 
+				die(json_encode(array('type' => API_ERROR_MISSING_PARAMETER, 'content' => 'parameter missing for deleteMultiple')));
+			//iterate over all items in json array
+			$array = json_decode( $jsonData, true );
+			if(count($array) ==0)
+				die(json_encode(array('type' => API_ERROR_MISSING_PARAMETER, 'content' => 'parameter missing for deleteMultiple')));
+
             //connect to db
             $handler = new mysqli($this->server, $this->username, $this->password, $this->database);
 			
@@ -90,14 +93,12 @@ function deleteMultiple($jsonData)
 			if ($handler->connect_error) {
 				die(json_encode(array('type' => API_ERROR_DATABASE_CONNECT, 'content' => $handler->connect_error)));
 			}
-			//iterate over all items in json array
-			$array = json_decode( $jsonData, true );
+
+			//prepare query
+			$stmt = $handler->prepare("DELETE from ShoppingList WHERE item = ?");
+			$stmt->bind_param('s', $item['itemTitle']);
 			foreach($array as $item)
 			{
-				//prepare query
-				$stmt = $handler->prepare("DELETE from ShoppingList WHERE item = ?");
-				$stmt->bind_param('s', $item['itemTitle']);
-
 				//execute query and check if successful
 				if (!$stmt->execute()){
 					$result = json_encode(array('type' => API_SUCCESS_DELETE, 'content' => ' Multiple items deleted'));