Add getUint and setUing methods
Add "Content-Length" coordinating functions
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Fix some bugs
Fix some bugs
Add outClients(managing of outClient list) to close sucessfully
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Remove handle variable in VSslSession class
Call VTcpSession::close first in VSslSesion::doClose
Call VTcpServer::doClose first  VSslServer::doClose
Log threadTag value in VThread::wait
Add VSslClient::close() for preventing hanging when close is called
Add friend class VSslClient in VSslSession class
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Change Msg releasted connection type from BlockingQueuedConnection to DirectConnection
And add MsgEvent
Do not delete client side thread in doClose function(have many debug codes)
  Client site thread is always destroyed automatically when thread is terminated, so do not call delete thread in doClose method.
Have many debug codes
Change SET_ERROR > SET_DEBUG_ERROR
Add KeepAliveThread mechanism
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