Added seperate tax section and added the ability add taxes to invoice this update requires a new table called taxes see the db.sql file for the structure More to come

get_settings.php

@@ -161,7 +161,6 @@ $timezones_array = array(
 $category_types_array = array(
 	'Expense',
 	'Income',
-    'Tax',
 	'Payment Method'
 );