fix issue #710
fix issue #710

Uint32Array not correct on ESP8266 #710
wilberforce/Espruino,wilberforce/Espruino,lancernet/Espruino,wilberforce/Espruino,lancernet/Espruino,lancernet/Espruino,lancernet/Espruino,luetgendorf/Espruino,wilberforce/Espruino,luetgendorf/Espruino,luetgendorf/Espruino,wilberforce/Espruino,luetgendorf/Espruino,luetgendorf/Espruino,luetgendorf/Espruino,wilberforce/Espruino,lancernet/Espruino,lancernet/Espruino,wilberforce/Espruino,lancernet/Espruino,luetgendorf/Espruino