* Unsubscribe STOMP 1.1 : It requires that the id header matches the id value of previous SUBSCRIBE operation.
* ACK STOMP 1.1 : has two REQUIRED headers: message-id, which MUST contain a value matching the message-id for the MESSAGE being acknowledged and subscription, which MUST be set to match the value of the subscription's id header
* NACK STOMP 1.1 : takes the same headers as ACK: message-id (mandatory), subscription (mandatory) and transaction (OPTIONAL).
* Add SSL Support with Delphi
* test connected with delphi: add test ClosedGracefully
* add test Connected before write on socket in SendHeartBeat/SendFrame
* add connect event
+ now in Delphi you can user INDY or Synapse
+ added synapse as svn:external
+ TStompClient.Receive(ATimeout: Integer): IStompFrame; REALLY NEED REFACTORY