message: Fix VCString return values in modpython
  The list of functions which returned list of unknown objects instead of
  list of strings:
  * CMessage::GetParams()
  * CZNC::GetMotd()
  * CZNC::GetTrustedProxies()
  * CZNC::GetBindHosts()
diff: @@ -74,12 +74,21 @@ SWIG_AsVal_CString (PyObject * obj, CString *val)
  }
  /*@SWIG@*/
  /*@SWIG:/swig/3.0.8/typemaps/CStrings.swg,38,%CString_from@*/
  -%fragment("SWIG_" "From" "_" {CString},"header",fragment="SWIG_FromCharPtrAndSize") {
  +%fragment("SWIG_" "From" "_" {CString},"header",fragment="SWIG_FromCharPtrAndSize", fragment="StdTraits") {
  SWIGINTERNINLINE PyObject *
  SWIG_From_CString (const CString& s)
  {
  return SWIG_FromCharPtrAndSize(s.data(), s.size());
  }
  +
  +namespace swig {
  + template<>
  + struct traits_from<CString> {
  + static PyObject* from(const CString& s) {
  + return SWIG_From_CString(s);
  + }
  + };
  +}
  }
  /*@SWIG@*/
  