Added lots of new features
Css class(es) can be applied on filtering element through the new sClass parameter of aoColumn
A new data-column-name is now added to filtering element (in order to use the multifilter DataTables API plugin)
Filtering can now be externalized, all keyup event are now bound only if the new sFilteringTrigger global properties is different from "immediate"
Finally, the date format used in filtering elements configured with a date range can be configured thanks to the new sDateFormat global parameter
Added autoclose in the datepicker (when dealing with date range)