message: trying to fix param issues when param is out of scope
  Ideally this should be done entirely different so params can follow wm scope and object lifetime..
diff: @@ -59,6 +59,7 @@ WiFiManagerParameter::~WiFiManagerParameter() {
  if (_value != NULL) {
  delete[] _value;
  }
  + _length=0; // setting length 0, ideally the entire parameter should be removed, or added to wifimanager scope so it follows
  }
  void WiFiManagerParameter::setValue(const char *defaultValue, int length) {
  @@ -1095,7 +1096,8 @@ String WiFiManager::getParamOut(){
  char parLength[5];
  // add the extra parameters to the form
  for (int i = 0; i < _paramsCount; i++) {
  - if (_params[i] == NULL) {
  + if (_params[i] == NULL || _params[i]->_length == 0) {
  + DEBUG_WM(DEBUG_ERROR,"[ERROR] WiFiManagerParameter is out of scope");
  break;
  }
  