fixed bug. When only partial answer were received, the queue delete functionality didn't work

ykval-synclib.php

@@ -341,13 +341,15 @@ class SyncLib
       }
     } while($active);
 
+    
     foreach ($ch as $h) {
       curl_multi_remove_handle ($mh, $h);
       curl_close ($h);
     }
     curl_multi_close ($mh);
 
-    return $str;
+    if ($ans_count>0) return $ans_arr;
+    else return $str;
   }
   
 }