unix/moduselect: Add .dump() method for debugging.
unix/moduselect: Add .dump() method for debugging.

Commented out by default.

adafruit/circuitpython,adafruit/micropython,kerneltask/micropython,trezor/micropython,lowRISC/micropython,bvernoux/micropython,pozetroninc/micropython,pozetroninc/micropython,dmazzella/micropython,pfalcon/micropython,MrSurly/micropython,torwag/micropython,AriZuu/micropython,torwag/micropython,trezor/micropython,pfalcon/micropython,swegener/micropython,MrSurly/micropython,selste/micropython,infinnovation/micropython,torwag/micropython,AriZuu/micropython,dmazzella/micropython,ryannathans/micropython,infinnovation/micropython,trezor/micropython,adafruit/micropython,blazewicz/micropython,tralamazza/micropython,selste/micropython,MrSurly/micropython,infinnovation/micropython,blazewicz/micropython,adafruit/circuitpython,tobbad/micropython,adafruit/circuitpython,selste/micropython,ryannathans/micropython,blazewicz/micropython,pramasoul/micropython,swegener/micropython,torwag/micropython,tobbad/micropython,pozetroninc/micropython,pozetroninc/micropython,tralamazza/micropython,AriZuu/micropython,torwag/micropython,tralamazza/micropython,pramasoul/micropython,adafruit/circuitpython,tobbad/micropython,bvernoux/micropython,adafruit/micropython,AriZuu/micropython,pramasoul/micropython,pramasoul/micropython,henriknelson/micropython,pfalcon/micropython,trezor/micropython,swegener/micropython,kerneltask/micropython,selste/micropython,henriknelson/micropython,pozetroninc/micropython,lowRISC/micropython,ryannathans/micropython,tralamazza/micropython,henriknelson/micropython,bvernoux/micropython,kerneltask/micropython,henriknelson/micropython,trezor/micropython,adafruit/circuitpython,blazewicz/micropython,bvernoux/micropython,adafruit/micropython,infinnovation/micropython,dmazzella/micropython,lowRISC/micropython,pfalcon/micropython,lowRISC/micropython,adafruit/circuitpython,bvernoux/micropython,swegener/micropython,blazewicz/micropython,kerneltask/micropython,tobbad/micropython,ryannathans/micropython,tobbad/micropython,dmazzella/micropython,ryannathans/micropython,lowRISC/micropython,pfalcon/micropython,AriZuu/micropython,pramasoul/micropython,adafruit/micropython,MrSurly/micropython,selste/micropython,swegener/micropython,infinnovation/micropython,MrSurly/micropython,kerneltask/micropython,henriknelson/micropython