Fix incorrect values for OneWeek and FifteenDays in KlineInterval enum (

#130)

Co-authored-by: DerrekR <DerrekR@DERREK>

Kraken.Net/Enums/KlineInterval.cs

@@ -46,11 +46,11 @@ public enum KlineInterval
         /// 1w
         /// </summary>
         [Map("10080")]
-        OneWeek = 60 * 60 * 7,
+        OneWeek = 60 * 60 * 24 * 7,
         /// <summary>
         /// 15d
         /// </summary>
         [Map("21600")]
-        FifteenDays = 60 * 60 * 15
+        FifteenDays = 60 * 60 * 24 * 15
     }
 }