Update core SQL tables with correct default time

now() has been replaced with clock_timestamp() to get accurarte create
date and update date on multiple updates

4dev/database/function/update_function.sql

@@ -4,10 +4,10 @@
 CREATE OR REPLACE FUNCTION set_generic() RETURNS TRIGGER AS '
 	BEGIN
 		IF TG_OP = ''INSERT'' THEN
-			NEW.date_created := ''now'';
+			NEW.date_created := clock_timestamp();
 			NEW.user_created := current_user;
 		ELSIF TG_OP = ''UPDATE'' THEN
-			NEW.date_updated := ''now'';
+			NEW.date_updated := clock_timestamp();
 			NEW.user_updated := current_user;
 		END IF;
 		RETURN NEW;