исправлено поле типа DATE и DATETIME

Signed-off-by: easterism <easter.by@gmail.com>
Merge branch 'master' of https://github.com/easterism/core2
Usage added
Update README.md
Update README.md
Update README.md
Usage added
Merge branch 'master' of https://github.com/easterism/core2

Conflicts:
	README.md
Error class fixed
изменена загрузка скриптов через printJS
исправлено сохранение пустых значений
загрузка скриптов в head для старых IE
Update README.md
install SQL
Merge branch 'master' of https://github.com/easterism/core2
sql added
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md