dbObject: Add double as a type

Author: avbdr

dbObject.php

@@ -612,6 +612,9 @@ private function validate ($data) {
                 case "int":
                     $regexp = "/^[0-9]*$/";
                     break;
+                case "double":
+                    $regexp = "/^[0-9\.]*$/";
+                    break;
                 case "bool":
                     $regexp = '/^[yes|no|0|1|true|false]$/i';
                     break;