Add debug logging for cache expiry checks in sliding time span mode

Author: darthsharp

source/Core/CreativeCoders.Core/Caching/Default/CacheEntry.cs

@@ -24,6 +24,9 @@ public bool CheckIsExpired()
             case CacheExpirationMode.AbsoluteDateTime:
                 return DateTime.UtcNow > ExpirationPolicy.AbsoluteDateTime;
             case CacheExpirationMode.SlidingTimeSpan:
+                Console.WriteLine("DateTime.UtcNow: " + DateTime.UtcNow);
+                Console.WriteLine("LastEntryCheck: " + _lastEntryCheck);
+
                 var isExpired = DateTime.UtcNow > _lastEntryCheck.Add(ExpirationPolicy.SlidingTimeSpan);
                 if (!isExpired)
                 {