Пономарев Никита

Fix up NotImplementedException when ignore property

1

Hi. I get NotImplementedException when try to use `.Ignore()` at EntityMap. Here is example code: ```csharp class Program { static async Task Main(string[] args) { var connectionString = "User ID=pt_system;Password=P@ssw0rdP@ssw0rd;Host=localhost;Port=5432;Database=dapper_poc;Pooling=true;Maximum...