git-svn-id: svn://kolibrios.org@5098 a494cfbc-eb01-0410-851d-a64ba20cac60
2) add documentation git-svn-id: svn://kolibrios.org@3330 a494cfbc-eb01-0410-851d-a64ba20cac60
git-svn-id: svn://kolibrios.org@3321 a494cfbc-eb01-0410-851d-a64ba20cac60