Bug Report: when set url to $proxy, clearAll() failed, "abort"

if (url.$proxy){
if (url.load)
url.load(this, callback, details);
return;
}

maybe change to :
if (url.$proxy){
if (url.load)
return url.load(this, callback, details);
}

//loads data from external URL
load:function(url,call){
var ajax = webix.AtomDataLoader.load.apply(this, arguments); //load method should return ajax…
this._ajax_queue.push(ajax);

issue with abort call in case of proxy call is partially fixed in the oncoming Webix 1.8
It will not cause errors in clearAll call anymore.

Thanks