message: [sasl] Do not try to convert entire "verbose" command to bool.
  Fixes for the stable branch.
  Ref.
  for the original fix by psychon with dgw, this is merely a non-cherry-pick backport
  as I realized too late it was already fixed elsewhere in the same manner.
diff: @@ -77,7 +77,7 @@ public:
  "[yes|no]", "Don't connect unless SASL authentication succeeds");
  AddCommand("Verbose", "yes|no", "Set verbosity level, useful to debug",
  [&](const CString& sLine) {
  - m_bVerbose = sLine.ToBool();
  + m_bVerbose = sLine.Token(1, true).ToBool();
  PutModule("Verbose: " + CString(m_bVerbose));
  });
  