Merge pull request #34 from /issues/32

Better ToString for CustomAttributesLogScope

dvelop-sdk-logging/Logging.Abstractions/Scope/CustomAttributesLogScope.cs

@@ -22,7 +22,7 @@ public CustomAttributesLogScope(string name, Dictionary<string, object> items)
 
         public override string ToString()
         {
-            return $"CustomAttributesLogScope:{Name} => Items: {Items.Select(i=>i.Key + ":" + i.Value)+";"}";
+            return $"CustomAttributesLogScope:{Name} => Items: {string.Join(", ", Items.Select(i => $"'{i.Key}:{i.Value}'"))}";
         }
     }
 }