message: Added WID to time entry hash generation (lib), closes
diff: @@ -381,6 +381,7 @@ const std::string TimeEntry::GroupHash() const {
  std::stringstream ss;
  ss << toggl::Formatter::FormatDateHeader(Start())
  << Description()
  + << WID()
  << PID()
  << TID()
  << ProjectGUID()
  