py/objstringio: Catch mp_uint_t overflow of stream position in write().
py/objstringio: Catch mp_uint_t overflow of stream position in write().

kerneltask/micropython,selste/micropython,trezor/micropython,chrisdearman/micropython,adafruit/micropython,henriknelson/micropython,deshipu/micropython,Timmenem/micropython,TDAbboud/micropython,alex-robbins/micropython,pozetroninc/micropython,AriZuu/micropython,selste/micropython,dmazzella/micropython,kerneltask/micropython,adafruit/circuitpython,alex-robbins/micropython,AriZuu/micropython,MrSurly/micropython-esp32,deshipu/micropython,MrSurly/micropython-esp32,kerneltask/micropython,MrSurly/micropython,cwyark/micropython,oopy/micropython,PappaPeppar/micropython,oopy/micropython,swegener/micropython,pfalcon/micropython,swegener/micropython,oopy/micropython,HenrikSolver/micropython,Timmenem/micropython,Timmenem/micropython,pramasoul/micropython,ryannathans/micropython,SHA2017-badge/micropython-esp32,tralamazza/micropython,trezor/micropython,swegener/micropython,pozetroninc/micropython,micropython/micropython-esp32,AriZuu/micropython,trezor/micropython,hiway/micropython,deshipu/micropython,chrisdearman/micropython,tobbad/micropython,deshipu/micropython,hiway/micropython,MrSurly/micropython-esp32,MrSurly/micropython,tobbad/micropython,SHA2017-badge/micropython-esp32,cwyark/micropython,dmazzella/micropython,lowRISC/micropython,blazewicz/micropython,kerneltask/micropython,deshipu/micropython,chrisdearman/micropython,PappaPeppar/micropython,pfalcon/micropython,torwag/micropython,infinnovation/micropython,lowRISC/micropython,alex-robbins/micropython,HenrikSolver/micropython,adafruit/micropython,tralamazza/micropython,trezor/micropython,henriknelson/micropython,MrSurly/micropython-esp32,pramasoul/micropython,Timmenem/micropython,hiway/micropython,pfalcon/micropython,bvernoux/micropython,torwag/micropython,henriknelson/micropython,TDAbboud/micropython,TDAbboud/micropython,hiway/micropython,hiway/micropython,Timmenem/micropython,infinnovation/micropython,PappaPeppar/micropython,blazewicz/micropython,SHA2017-badge/micropython-esp32,torwag/micropython,micropython/micropython-esp32,ryannathans/micropython,pozetroninc/micropython,micropython/micropython-esp32,pramasoul/micropython,pfalcon/micropython,ryannathans/micropython,pozetroninc/micropython,pramasoul/micropython,oopy/micropython,infinnovation/micropython,pramasoul/micropython,HenrikSolver/micropython,cwyark/micropython,tralamazza/micropython,ryannathans/micropython,selste/micropython,bvernoux/micropython,adafruit/circuitpython,adafruit/circuitpython,blazewicz/micropython,AriZuu/micropython,adafruit/circuitpython,tobbad/micropython,SHA2017-badge/micropython-esp32,TDAbboud/micropython,MrSurly/micropython,blazewicz/micropython,PappaPeppar/micropython,adafruit/circuitpython,MrSurly/micropython,selste/micropython,SHA2017-badge/micropython-esp32,HenrikSolver/micropython,infinnovation/micropython,adafruit/circuitpython,infinnovation/micropython,tralamazza/micropython,kerneltask/micropython,lowRISC/micropython,adafruit/micropython,trezor/micropython,pozetroninc/micropython,pfalcon/micropython,ryannathans/micropython,bvernoux/micropython,swegener/micropython,adafruit/micropython,alex-robbins/micropython,henriknelson/micropython,TDAbboud/micropython,micropython/micropython-esp32,chrisdearman/micropython,micropython/micropython-esp32,PappaPeppar/micropython,HenrikSolver/micropython,henriknelson/micropython,torwag/micropython,swegener/micropython,dmazzella/micropython,cwyark/micropython,tobbad/micropython,MrSurly/micropython,blazewicz/micropython,selste/micropython,cwyark/micropython,torwag/micropython,lowRISC/micropython,bvernoux/micropython,bvernoux/micropython,chrisdearman/micropython,MrSurly/micropython-esp32,dmazzella/micropython,alex-robbins/micropython,lowRISC/micropython,oopy/micropython,AriZuu/micropython,tobbad/micropython,adafruit/micropython