Changed the default way to modify values in store. Added basic validation to stores. Using interfaces to DI store objects.

Store/Internal/ComplexAutoSavedStore.cs

@@ -48,7 +48,7 @@ namespace HermesSocketServer.Store.Internal
                 async (query, list) => await _generator.DoPreparedStatement(_database, query, list, _table.KeyColumns));
         }
 
-        private async Task GenerateQuery(IList<K> keys, Func<int, string> generate, Func<string, IEnumerable<K>, IEnumerable<V>, Task<int>> execute)
+        private async Task GenerateQuery(IList<K> keys, Func<int, string> generate, Func<string, IEnumerable<K>, IEnumerable<V?>, Task<int>> execute)
         {
             ImmutableList<K>? list = null;
             lock (_lock)