v1.6.4

#1 Added support for a particular custom button
	t.rhc_search = rhc_search;
	function rhc_search(calendar,e){
		if( $(_element).find('.fc-filters-dialog').length>0 ){
			if( $(_element).find('.fc-filters-dialog').is(':visible') ){
				$(_element).find('.fc-filters-dialog').stop().animate({opacity:0,top:-10},'fast','linear',function(){$(this).hide();});
			}else{
				$(_element).find('.fc-filters-dialog').stop().show().animate({opacity:1,top:0},'fast','linear');				
			}
		}
	}
To the Calendar object.

#2 Modified Header so that button clicks are passed calendar and event arguments
buttonClick(calendar,e);

#3 Added a method to EventManager to clear all sources
t.removeEventSources = removeEventSources;
function removeEventSources() {
 sources = [];

 // remove all client events from all sources
 cache = [];

 reportEvents(cache);
}

#4 modified the view change method, trigger tooltip closing, and sliding animation

#5 the header sections where modified to use div instead of table.

Nov 13, 2013.
#6 Added an option to Header so that a custom callback can be passed to the header items