diff --git a/src/dbwrapper.php b/src/dbwrapper.php
index 26eb187..7dd3076 100644
--- a/src/dbwrapper.php
+++ b/src/dbwrapper.php
@@ -1,5 +1,5 @@
 <?php
-/*	DBWrapper.php - Version 1.4.2
+/*	DBWrapper.php - Version 1.5
 	This script is a simple wrapper for SQLite3, MySQL and PgSQL, 
 	for make possible to use different BD systems without changing the functions.
 	For use, in dbw_connect you have to specify type of database (see below)
@@ -12,19 +12,19 @@ function dbw_connect($tdb,$server,$database=NULL,$user = NULL,$password=NULL){
 	switch ($tdb){
 		case "mysql":
 		case "mysqli":
-			$return[0] = mysqli_connect($server,$user,$password,$database) or die("Error de conexion");
+			$return[0] = mysqli_connect($server,$user,$password,$database) or throw new Exception('Database connection error');
 			$return[1] = "mysqli"; //Return standard mysqli for other funcs.
 			break;
 		case "sqlite":
 		case "sqlite3":
 			$return[0] = new SQLite3($server);
-			if (!$return[0]) die ("Error de conexion");
+			if (!$return[0]) throw new Exception('Database connection error');
 			$return[1] = "sqlite"; //Return standard SQLite3 for other funcs.
 			break;
 		case "PostgreSQL":
 		case "pg":
 		case "PgSQL":
-			$return[0] = pg_connect("host=$server dbname=$database user=$user password=$password") or die ('Error de conexion: ' . pg_last_error());
+			$return[0] = pg_connect("host=$server dbname=$database user=$user password=$password") or throw new Exception('Database connection error. ' . pg_last_error());
 			$return[1] = "PgSQL"; //Return standard PgSQL for other funcs.
 			break;
 		default:
@@ -105,7 +105,7 @@ function dbw_query_fetch_array($conn,$query){
 		case "PgSQL":
 			$result = pg_query($query);
 			if (!$result){return false;}
-			$ret = pg_fetch_array($result); //Last error (pg_last_error()) not implemented
+			$ret = pg_fetch_array($result);
 		break;
 	}
 	//echo "<p>".$query."->".(microtime(true)-$time)." milisegundos</p>";
@@ -131,11 +131,16 @@ function dbw_query_goto($conn,$result,$row = 0){
 	}
 }
 
-/** Does multiple querys in one command */
-function dbw_multi_query($conn,$query){
+/** Does multiple querys in one command
+ * The erasebuffer command, in mysqli is neccesary if its only a insert for avoid problems in next querys
+*/
+function dbw_multi_query($conn,$query,$erasebuffer = 0){
 	switch ($conn[1]){
 		case "mysqli":
 			mysqli_multi_query($conn[0],$query);
+			if ($erasebuffer){
+				while(mysqli_next_result($conn[0])){;} //Erase multiquery output for avoid error in next query
+			}
 			break;
 		case "sqlite":
 			$conn[0]->exec($query);
@@ -178,6 +183,18 @@ function dbw_num_rows($conn,$result){
 	}
 }
 
+/** Escapes conflictive chars for inserting into database */
+function dbw_free_result($conn,$result){
+    switch ($conn[1]){
+        case "mysqli":
+            return mysqli_free_result($string);
+        case "sqlite":
+            return NULL; //Not neccesary I think
+        case "PgSQL":
+            return NULL; //¿?
+    }
+}
+
 
 /** Close connection */
 function dbw_close($conn){