Add VDataChange module
Add threadTag for thread debugging
Change thread_tag > threadTag
Change VStateLockable member variables
[from]
  VCS m_openCloseCS;
  VCS m_readCS;
  VCS m_writeCS;
[to]
  VCS stateOpenCs;
  VCS stateCloseCs;
  VCS stateReadCs;
  VCS stateWriteCs;
trivial
Add network_class_critical_section.ods
Add VDataChange in VHttpProxy class
Change VDataChangeItems > VDataChange
Apply regular expression in VDataChange
Fix bug
Add #ifdef QT_GUI_LIB