----------------
- added support for new column types: DateColumn, DatetimeColumn,
DatetimeLocalColumn, FileColumn, EmailColumn, ColorColumn,
PasswordColumn, RangeColumn, MonthColumn, SearchColumn, TimeColumn,
UrlColumn, WeekColumn; beware that not all these <input> types are
supported by all browsers! check
http://www.w3schools.com/tags/tag_input.asp for details [tkimnguyen]