The new version 4.2.3 of PHP DataGrid - more faster and safer!

The new version 4.2.3 of PHP DataGrid is available for downloading from here.There are some changes in this version. Read carefully Getting Started.Main additions and improvements://1. * Feature: [added] new option in debug mode: running time of the script//2. * Feature: [added] simple primary key preliminary//3. * Feature: [added] added new required filed type "u" - URL//4. * Feature: [added