/// <summary>
/// Adds a node to connect
/// </summary>
/// <param name="nodes">String containing 1 or multiple IP:port separated by "{ }"</param>
/// <returns>Returns an integer with nodes added</returns>
public static Task <int> AddNodeAsync(this IPascalCoinClient client, string nodes)
{
return(Task.Run(() => client.AddNode(nodes)));
}