Version 0.7.0 beta - update for database functionality

core/i/psql.php

@@ -0,0 +1,14 @@
+<?php
+namespace Nibiru;
+/**
+ * Created by PhpStorm.
+ * User: kasdorf
+ * Date: 08.12.17
+ * Time: 11:05
+ */
+
+interface IPsql extends IMysql
+{
+    const PLACE_READONLY        = "readonly";
+    const FILTER_COLUMN_NAME    = "COLUMN_NAME";
+}