buttonset methods fail when dom is modified causing 'cannot call methods on button prior to initialization' exception

I ran into this issue while using https://github.com/angular-ui/ui-utils/tree/master/modules/jq

Due to the dynamic nature of angularjs and ng-repeat the buttonset contents would sometimes be modified. Once the ui-jq directive called $(elm).buttonset('refresh') it would throw '''cannot call methods on button prior to initialization; attempted to call method 'widget''''

After much research I determined that the radioGroup() function was not checking to make sure that all the buttons it found were in fact buttons before calling jqueryui methods on them.

My work-around simply removes the constraint via Monkey-patching:

(function($) {
    'use strict';
    var orig_button = $.fn.button;
    $.fn.button = function(options) {
        if (!$(this).is(':ui-button')) {
            orig_button.call(this);
        }
        orig_button.call(options);
    };
})(jQuery);