Merge pull request #111 from ZuBB/patch-3

'onChange' event handler is not invoked when 'select' API is used.

js/bootstrap-multiselect.js

@@ -420,6 +420,7 @@
 			$option.attr('selected', 'selected').prop('selected', true);
 			
 			this.updateButtonText();
+			this.options.onChange($option, checked);
 		},
 		
 		// Deselect an option by its value.