better initialization of class (no warning) #71

Job	Run time
esp8266 (examples/simpleServer/simpleServer.ino)	45s
esp32 (examples/simpleServer/simpleServer.ino)	1m 20s
esp8266 (examples/customOptions/customOptions.ino)	46s
esp32 (examples/customOptions/customOptions.ino)	1m 7s
esp8266 (examples/customHTML/customHTML.ino)	56s
esp32 (examples/customHTML/customHTML.ino)	1m 20s
esp8266 (examples/gpio_list/gpio_list.ino)	53s
esp32 (examples/gpio_list/gpio_list.ino)	1m 11s
esp8266 (examples/handleFormData/handleFormData.ino)	53s
esp32 (examples/handleFormData/handleFormData.ino)	1m 18s
esp8266 (examples/highcharts/highcharts.ino)	47s
esp32 (examples/highcharts/highcharts.ino)	1m 6s
esp8266 (examples/remoteOTA/remoteOTA.ino)	52s
esp32 (examples/remoteOTA/remoteOTA.ino)	1m 11s
esp8266 (examples/withWebSocket/withWebSocket.ino)	54s
esp32 (examples/withWebSocket/withWebSocket.ino)	1m 8s
esp32 (examples/esp32-cam/esp32-cam.ino)	1m 19s
	17m 46s

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