Fixed: Possible DivideByZeroException when getting queue

Closes #161

src/Lidarr.Api.V1/Queue/QueueModule.cs

@@ -62,7 +62,7 @@ namespace Lidarr.Api.V1.Queue
                 ordered = ascending ? fullQueue.OrderBy(orderByFunc) : fullQueue.OrderByDescending(orderByFunc);
             }
 
-            ordered = ordered.ThenByDescending(q => 100 - q.Sizeleft / q.Size * 100);
+            ordered = ordered.ThenByDescending(q => q.Size == 0 ? 0 : 100 - q.Sizeleft / q.Size * 100);
 
             pagingSpec.Records = ordered.Skip((pagingSpec.Page - 1) * pagingSpec.PageSize).Take(pagingSpec.PageSize).ToList();
             pagingSpec.TotalRecords = fullQueue.Count;