Addition of wifi.on(sta_joined) and wifi.on(sta_left)
Addition of wifi.on(sta_joined) and wifi.on(sta_left)

lancernet/Espruino,lancernet/Espruino,wilberforce/Espruino,luetgendorf/Espruino,nkolban/Espruino,lancernet/Espruino,lancernet/Espruino,nkolban/Espruino,lancernet/Espruino,nkolban/Espruino,luetgendorf/Espruino,wilberforce/Espruino,wilberforce/Espruino,luetgendorf/Espruino,lancernet/Espruino,nkolban/Espruino,luetgendorf/Espruino,wilberforce/Espruino,nkolban/Espruino,luetgendorf/Espruino,nkolban/Espruino,nkolban/Espruino,luetgendorf/Espruino,wilberforce/Espruino,lancernet/Espruino,luetgendorf/Espruino,wilberforce/Espruino,wilberforce/Espruino