/// <summary>
/// Remove the signer parameter from the Signers list
/// </summary>
/// <param name="signer"></param>
public void Remove(Signer signer)
{
this.List.Remove(signer);
}
/// <summary>
/// Add the signer parameter in the Signers list
/// </summary>
/// <param name="signer"></param>
public void Add(Signer signer)
{
MoveNext();
this.List.Add(signer);
}