/**
* Suppression d'un salon
*
* @param name
*/
public void removeChannel(String name) {
Integer value = channels.get(name);
if (value == null) return;
--value;
channels.put(name, value);
if (value == 0) {
channels.remove(name);
if (connection.isConnected()) connection.doPart("#" + name);
}
}
