* remove pipelinedCommands field at Connection class ** it was a risky state value *** it was under 0 or over 0(though all commands are executed) while some situation * remove Connection.getAll(), Connection.getAll(int except)
* remove pipelinedCommands field at Connection class ** it was a risky state value *** it was under 0 or over 0(though all commands are executed) while some situation * remove Connection.getAll(), Connection.getAll(int except)