/// <summary>
/// Agrega un valor
/// </summary>
/// <param name="key">Key.</param>
/// <param name="val">Value.</param>
public new void Add(TKey key, TVal val)
{
if (Bloqueado)
{
Promesas.Add(new KeyValuePair <TKey, TVal> (key, val));
}
else
{
base [key] = Suma(base [key], val);
}
}
