code: function(el, value)
  	{
  		if (el.cbClasses)
  		{
  			__ep(el).removeClass(el.cbClasses);
  		}
  		
  		el.cbClasses = value;
  		
  		if (value)
  		{
  			__ep(el).addClass(value);
  		}
  	}
docs: Applies class(es) to the element based on the value contained in a variable.
  Experimental.
  
  @param 		{HTMLElement}	el - DOM element to which the attribute applies
  @param 		{*} 			value - The value referenced by the attribute
  @returns		{void}
  
  @example
  <div cb-classes="propertyName"></div>