code: function() {
  			var self = this;
  	
  			self.loadedSearches = {};
  			self.userOptions = {};
  			self.renderCache = {};
  			self.options = self.sifter.items = {};
  			self.lastQuery = null;
  			self.trigger('option_clear');
  			self.clear();
  		}
docs: Clears all options.