message: init params as null
  I started gettting odd exceptions, so I thought this should be null and not on the stack or pointing to garbage. I might be totally in the wrong here.
diff: @@ -363,7 +363,7 @@ class WiFiManager
  // WiFiManagerParameter
  int _paramsCount = 0;
  int _max_params;
  - WiFiManagerParameter** _params;
  + WiFiManagerParameter** _params = NULL;
  // debugging
  boolean _debug = true;
  