Fix return value of FS::write methods
Fix return value of FS::write methods

leftbrainstrain/Arduino-ESP8266,leftbrainstrain/Arduino-ESP8266,weera00/Arduino,paulmand3l/Arduino,eeijcea/Arduino-1,ogahara/Arduino,gonium/Arduino,smily77/Arduino,mangelajo/Arduino,paulo-raca/ESP8266-Arduino,ogahara/Arduino,leftbrainstrain/Arduino-ESP8266,sanyaade-iot/Arduino-1,aichi/Arduino-2,tannewt/Arduino,tannewt/Arduino,zenmanenergy/Arduino,zenmanenergy/Arduino,tannewt/Arduino,drpjk/Arduino,paulo-raca/ESP8266-Arduino,EmuxEvans/Arduino,EmuxEvans/Arduino,paulo-raca/ESP8266-Arduino,mangelajo/Arduino,ogahara/Arduino,weera00/Arduino,EmuxEvans/Arduino,aichi/Arduino-2,leftbrainstrain/Arduino-ESP8266,drpjk/Arduino,eeijcea/Arduino-1,tannewt/Arduino,eeijcea/Arduino-1,drpjk/Arduino,ssvs111/Arduino,gonium/Arduino,leftbrainstrain/Arduino-ESP8266,paulo-raca/ESP8266-Arduino,spapadim/Arduino,ssvs111/Arduino,spapadim/Arduino,smily77/Arduino,myrtleTree33/Arduino,ssvs111/Arduino,myrtleTree33/Arduino,eeijcea/Arduino-1,drpjk/Arduino,zenmanenergy/Arduino,sanyaade-iot/Arduino-1,drpjk/Arduino,spapadim/Arduino,spapadim/Arduino,weera00/Arduino,myrtleTree33/Arduino,sanyaade-iot/Arduino-1,mateuszdw/Arduino,aichi/Arduino-2,zenmanenergy/Arduino,leftbrainstrain/Arduino-ESP8266,myrtleTree33/Arduino,spapadim/Arduino,weera00/Arduino,paulmand3l/Arduino,mangelajo/Arduino,drpjk/Arduino,EmuxEvans/Arduino,sanyaade-iot/Arduino-1,mangelajo/Arduino,paulmand3l/Arduino,ogahara/Arduino,paulo-raca/ESP8266-Arduino,weera00/Arduino,mateuszdw/Arduino,spapadim/Arduino,ssvs111/Arduino,ssvs111/Arduino,mateuszdw/Arduino,ogahara/Arduino,mateuszdw/Arduino,ogahara/Arduino,mateuszdw/Arduino,smily77/Arduino,eeijcea/Arduino-1,aichi/Arduino-2,eeijcea/Arduino-1,gonium/Arduino,paulo-raca/ESP8266-Arduino,gonium/Arduino,zenmanenergy/Arduino,mateuszdw/Arduino,zenmanenergy/Arduino,mangelajo/Arduino,tannewt/Arduino,paulmand3l/Arduino,eeijcea/Arduino-1,paulmand3l/Arduino,mangelajo/Arduino,sanyaade-iot/Arduino-1,myrtleTree33/Arduino,gonium/Arduino,smily77/Arduino,paulo-raca/ESP8266-Arduino,ssvs111/Arduino,paulmand3l/Arduino,zenmanenergy/Arduino,paulmand3l/Arduino,gonium/Arduino,myrtleTree33/Arduino,EmuxEvans/Arduino,tannewt/Arduino,mateuszdw/Arduino,aichi/Arduino-2,smily77/Arduino,ssvs111/Arduino,EmuxEvans/Arduino,weera00/Arduino,smily77/Arduino,mangelajo/Arduino,drpjk/Arduino,sanyaade-iot/Arduino-1,leftbrainstrain/Arduino-ESP8266,myrtleTree33/Arduino,gonium/Arduino,tannewt/Arduino,spapadim/Arduino,weera00/Arduino,sanyaade-iot/Arduino-1,aichi/Arduino-2,EmuxEvans/Arduino,ogahara/Arduino,aichi/Arduino-2,smily77/Arduino