swoole-1.7.2-alpha

• Fixed error occurred in the Mac timer clock signal
• Fixed UDP restart and shutdown the server failure, no clear thread signal
• Fixed UDP asynchronous client error, check callback not pass
• Fixed asynchronous TCP clients cannot close
• Message queue from the macro definition to setting configuration
• Package length check feature ok
• STDOUT redirect to the log_file
• The task_worker process pool can use the message queue IPC