diff --git a/inc/db.php b/inc/db.php
index 7e42368..ad8624f 100644
--- a/inc/db.php
+++ b/inc/db.php
@@ -122,6 +122,29 @@ class Db extends PhpObject
 		@array_walk($this->getInstallQueries(), array($this, 'setQuery'));
 	}
 	
+	public function getBackup() {
+		$sBackupFile = uniqid('backup_').'.sql';
+		
+		$sAppPath = '';
+		if(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') $sAppPath = 'C:\ProgramData\xampp\mysql\bin\\';
+		exec($sAppPath.'mysqldump --user='.Settings::DB_LOGIN.' --password='.Settings::DB_PASS.' --databases '.Settings::DB_NAME.' --add-drop-database --result-file='.$sBackupFile);
+		if(file_exists($sBackupFile)) {
+			$sBackup = file_get_contents($sBackupFile);
+			unlink($sBackupFile);
+			return $sBackup;
+		}
+		else return false;
+	}
+	
+	public function restoreBackup($sBackupFile) {
+		$sAppPath = '';
+		if(file_exists($sBackupFile)) {
+			if(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') $sAppPath = 'C:\ProgramData\xampp\mysql\bin\\';
+			return exec($sAppPath.'mysql --user='.Settings::DB_LOGIN.' --password='.Settings::DB_PASS.' '.Settings::DB_NAME.' < '.$sBackupFile);
+		}
+		else return false;
+	}
+	
 	public function loadFile($sFilePath) {
 		set_time_limit(0);
 		$bResult = false;
@@ -474,7 +497,7 @@ class Db extends PhpObject
 		//linked tables
 		switch($sTableName)
 		{
-			case array_key_exists($sTableName, $this->asOptions['cascading_delete']) :
+			case (array_key_exists('cascading_delete', $this->asOptions) && array_key_exists($sTableName, $this->asOptions['cascading_delete'])) :
 				$asTables = array_merge(is_array($sTableName)?array_values($sTableName):array($sTableName), array_values($this->asOptions['cascading_delete'][$sTableName]));
 				break;
 			case is_string($sTableName) :
diff --git a/inc/main.php b/inc/main.php
index 555b2f5..018283b 100755
--- a/inc/main.php
+++ b/inc/main.php
@@ -93,13 +93,13 @@ abstract class Main extends PhpObject
 		$this->setMasks();
 	}
 	
-	public static function addTimestampToFilePath($sFile)
+	public static function addTimestampToFilePath($sFilePath)
 	{
 		//Remove timestamp
-		$sFilePath = preg_replace('/(.*)\?[\d]{14}$/', '$1', $sFile);
+		$sCleanedFilePath = preg_replace('/(.*)\?[\d]{14}$/', '$1', $sFilePath);
 		
 		//Add timestamp
-		return file_exists($sFilePath)?$sFilePath.'?'.date("YmdHis", filemtime($sFilePath)):$sFile;
+		return file_exists($sCleanedFilePath)?$sCleanedFilePath.'?'.date("YmdHis", filemtime($sCleanedFilePath)):$sFilePath;
 	}
 	
 	public function addUncaughtError($sError)
diff --git a/inc/toolbox.php b/inc/toolbox.php
index 8062c27..4560de4 100755
--- a/inc/toolbox.php
+++ b/inc/toolbox.php
@@ -40,7 +40,7 @@ class ToolBox
 		if(defined('STDIN')) mb_parse_str(implode('&', array_slice($argv, 1)), $_GET);
 		$_REQUEST = array_merge($_GET, $_REQUEST);
 	}
-
+	
 	public static function array_map_encapsulate($oData, $sChar)
 	{
 		if(is_array($oData))
@@ -126,6 +126,32 @@ class ToolBox
 		return json_encode($asData);
 	}
 	
+	public static function curl($sUrl, $bHeader=false, $asPostData=array(), $sCookie='', $sCreds='') {
+		$oCurl = curl_init();
+		curl_setopt($oCurl, CURLOPT_URL, $sUrl);
+		curl_setopt($oCurl, CURLOPT_VERBOSE, false);
+		curl_setopt($oCurl, CURLOPT_SSL_VERIFYPEER, false);
+		curl_setopt($oCurl, CURLOPT_SSL_VERIFYHOST, false);
+		
+		curl_setopt($oCurl, CURLOPT_HEADER, $bHeader);
+		if($bHeader) curl_setopt($oCurl, CURLOPT_FOLLOWLOCATION, true);
+		
+		if(!empty($asPostData)) {
+			curl_setopt($oCurl, CURLOPT_POST, 1);
+			curl_setopt($oCurl, CURLOPT_POSTFIELDS, $asPostData);
+		}
+		
+		curl_setopt($oCurl, CURLOPT_RETURNTRANSFER, true);
+		curl_setopt($oCurl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
+		
+		if($sCookie!='') curl_setopt($oCurl, CURLOPT_COOKIE, $sCookie);
+		if($sCreds!='') curl_setopt($oCurl, CURLOPT_USERPWD, $sCreds);
+
+		$sContent = curl_exec($oCurl);
+		curl_close($oCurl);
+		return $sContent;
+	}
+	
 	public static function getMimeType($sPath, $bSubTypeOnly=false)
 	{
 		$sMimetype = '';