stmhal: Improve help() function.
stmhal: Improve help() function.

mgyenik/micropython,galenhz/micropython,dmazzella/micropython,AriZuu/micropython,suda/micropython,Vogtinator/micropython,cloudformdesign/micropython,mpalomer/micropython,xuxiaoxin/micropython,xyb/micropython,ernesto-g/micropython,ruffy91/micropython,bvernoux/micropython,warner83/micropython,ChuckM/micropython,ericsnowcurrently/micropython,vriera/micropython,dinau/micropython,tobbad/micropython,mgyenik/micropython,dhylands/micropython,xuxiaoxin/micropython,oopy/micropython,warner83/micropython,vitiral/micropython,MrSurly/micropython-esp32,galenhz/micropython,lbattraw/micropython,mhoffma/micropython,suda/micropython,hosaka/micropython,danicampora/micropython,ernesto-g/micropython,pozetroninc/micropython,jmarcelino/pycom-micropython,dxxb/micropython,KISSMonX/micropython,paul-xxx/micropython,PappaPeppar/micropython,selste/micropython,noahchense/micropython,firstval/micropython,omtinez/micropython,torwag/micropython,lbattraw/micropython,EcmaXp/micropython,mpalomer/micropython,kostyll/micropython,ruffy91/micropython,alex-march/micropython,adamkh/micropython,SHA2017-badge/micropython-esp32,noahwilliamsson/micropython,ericsnowcurrently/micropython,tobbad/micropython,kostyll/micropython,Timmenem/micropython,methoxid/micropystat,AriZuu/micropython,swegener/micropython,mianos/micropython,danicampora/micropython,stonegithubs/micropython,skybird6672/micropython,cwyark/micropython,adafruit/circuitpython,heisewangluo/micropython,chrisdearman/micropython,MrSurly/micropython-esp32,jlillest/micropython,utopiaprince/micropython,alex-robbins/micropython,vitiral/micropython,ChuckM/micropython,micropython/micropython-esp32,ruffy91/micropython,cwyark/micropython,alex-robbins/micropython,utopiaprince/micropython,tuc-osg/micropython,turbinenreiter/micropython,paul-xxx/micropython,cwyark/micropython,vriera/micropython,drrk/micropython,dinau/micropython,micropython/micropython-esp32,MrSurly/micropython,emfcamp/micropython,cloudformdesign/micropython,jmarcelino/pycom-micropython,aethaniel/micropython,micropython/micropython-esp32,SHA2017-badge/micropython-esp32,drrk/micropython,tuc-osg/micropython,henriknelson/micropython,swegener/micropython,omtinez/micropython,aethaniel/micropython,TDAbboud/micropython,torwag/micropython,aitjcize/micropython,dinau/micropython,warner83/micropython,infinnovation/micropython,alex-robbins/micropython,pozetroninc/micropython,xhat/micropython,mgyenik/micropython,adafruit/circuitpython,ganshun666/micropython,micropython/micropython-esp32,stonegithubs/micropython,emfcamp/micropython,blmorris/micropython,bvernoux/micropython,jlillest/micropython,toolmacher/micropython,slzatz/micropython,feilongfl/micropython,ernesto-g/micropython,supergis/micropython,noahwilliamsson/micropython,infinnovation/micropython,cnoviello/micropython,utopiaprince/micropython,dhylands/micropython,henriknelson/micropython,neilh10/micropython,redbear/micropython,EcmaXp/micropython,dhylands/micropython,firstval/micropython,selste/micropython,aethaniel/micropython,hosaka/micropython,orionrobots/micropython,orionrobots/micropython,noahwilliamsson/micropython,emfcamp/micropython,vitiral/micropython,matthewelse/micropython,blazewicz/micropython,dhylands/micropython,jlillest/micropython,emfcamp/micropython,ruffy91/micropython,cwyark/micropython,deshipu/micropython,dhylands/micropython,lowRISC/micropython,mgyenik/micropython,heisewangluo/micropython,kostyll/micropython,firstval/micropython,vriera/micropython,noahwilliamsson/micropython,lbattraw/micropython,HenrikSolver/micropython,praemdonck/micropython,tuc-osg/micropython,praemdonck/micropython,MrSurly/micropython,jimkmc/micropython,hiway/micropython,PappaPeppar/micropython,vriera/micropython,KISSMonX/micropython,adafruit/micropython,supergis/micropython,pramasoul/micropython,jmarcelino/pycom-micropython,micropython/micropython-esp32,SungEun-Steve-Kim/test-mp,ruffy91/micropython,dxxb/micropython,adafruit/circuitpython,xhat/micropython,xyb/micropython,adafruit/circuitpython,martinribelotta/micropython,supergis/micropython,infinnovation/micropython,mpalomer/micropython,jmarcelino/pycom-micropython,suda/micropython,swegener/micropython,puuu/micropython,slzatz/micropython,feilongfl/micropython,tralamazza/micropython,jimkmc/micropython,toolmacher/micropython,toolmacher/micropython,ceramos/micropython,blmorris/micropython,adafruit/micropython,swegener/micropython,paul-xxx/micropython,ryannathans/micropython,cloudformdesign/micropython,MrSurly/micropython,ericsnowcurrently/micropython,feilongfl/micropython,MrSurly/micropython-esp32,tdautc19841202/micropython,firstval/micropython,rubencabrera/micropython,cnoviello/micropython,stonegithubs/micropython,ericsnowcurrently/micropython,deshipu/micropython,chrisdearman/micropython,alex-march/micropython,lbattraw/micropython,danicampora/micropython,tralamazza/micropython,galenhz/micropython,ericsnowcurrently/micropython,tobbad/micropython,matthewelse/micropython,EcmaXp/micropython,ceramos/micropython,Vogtinator/micropython,swegener/micropython,SHA2017-badge/micropython-esp32,TDAbboud/micropython,lowRISC/micropython,hosaka/micropython,blmorris/micropython,dxxb/micropython,HenrikSolver/micropython,henriknelson/micropython,mhoffma/micropython,kerneltask/micropython,infinnovation/micropython,ernesto-g/micropython,ahotam/micropython,suda/micropython,EcmaXp/micropython,cnoviello/micropython,Peetz0r/micropython-esp32,SHA2017-badge/micropython-esp32,martinribelotta/micropython,aethaniel/micropython,pfalcon/micropython,tdautc19841202/micropython,noahchense/micropython,ryannathans/micropython,drrk/micropython,ChuckM/micropython,misterdanb/micropython,stonegithubs/micropython,pramasoul/micropython,chrisdearman/micropython,cnoviello/micropython,slzatz/micropython,Timmenem/micropython,pozetroninc/micropython,matthewelse/micropython,blmorris/micropython,KISSMonX/micropython,skybird6672/micropython,Vogtinator/micropython,blazewicz/micropython,cnoviello/micropython,hiway/micropython,Peetz0r/micropython-esp32,noahwilliamsson/micropython,henriknelson/micropython,ahotam/micropython,slzatz/micropython,tuc-osg/micropython,noahchense/micropython,trezor/micropython,danicampora/micropython,xhat/micropython,trezor/micropython,adafruit/micropython,mhoffma/micropython,praemdonck/micropython,pozetroninc/micropython,xyb/micropython,supergis/micropython,martinribelotta/micropython,pozetroninc/micropython,ernesto-g/micropython,turbinenreiter/micropython,mpalomer/micropython,KISSMonX/micropython,neilh10/micropython,pramasoul/micropython,bvernoux/micropython,xhat/micropython,tralamazza/micropython,xuxiaoxin/micropython,methoxid/micropystat,rubencabrera/micropython,xuxiaoxin/micropython,TDAbboud/micropython,SHA2017-badge/micropython-esp32,mhoffma/micropython,misterdanb/micropython,Peetz0r/micropython-esp32,blazewicz/micropython,Peetz0r/micropython-esp32,TDAbboud/micropython,tobbad/micropython,skybird6672/micropython,hiway/micropython,adafruit/circuitpython,jimkmc/micropython,xyb/micropython,rubencabrera/micropython,ceramos/micropython,redbear/micropython,SungEun-Steve-Kim/test-mp,ryannathans/micropython,vitiral/micropython,mhoffma/micropython,orionrobots/micropython,feilongfl/micropython,bvernoux/micropython,alex-march/micropython,blazewicz/micropython,utopiaprince/micropython,dmazzella/micropython,jlillest/micropython,hiway/micropython,mianos/micropython,turbinenreiter/micropython,kerneltask/micropython,omtinez/micropython,warner83/micropython,kerneltask/micropython,pfalcon/micropython,torwag/micropython,redbear/micropython,ryannathans/micropython,tdautc19841202/micropython,torwag/micropython,drrk/micropython,trezor/micropython,trezor/micropython,jmarcelino/pycom-micropython,drrk/micropython,AriZuu/micropython,warner83/micropython,ganshun666/micropython,adamkh/micropython,pfalcon/micropython,heisewangluo/micropython,neilh10/micropython,martinribelotta/micropython,firstval/micropython,supergis/micropython,galenhz/micropython,matthewelse/micropython,orionrobots/micropython,turbinenreiter/micropython,matthewelse/micropython,cloudformdesign/micropython,paul-xxx/micropython,rubencabrera/micropython,redbear/micropython,henriknelson/micropython,heisewangluo/micropython,omtinez/micropython,neilh10/micropython,ryannathans/micropython,rubencabrera/micropython,torwag/micropython,mpalomer/micropython,ahotam/micropython,methoxid/micropystat,puuu/micropython,chrisdearman/micropython,slzatz/micropython,oopy/micropython,pfalcon/micropython,alex-march/micropython,redbear/micropython,hosaka/micropython,HenrikSolver/micropython,kerneltask/micropython,skybird6672/micropython,ceramos/micropython,tdautc19841202/micropython,oopy/micropython,infinnovation/micropython,kostyll/micropython,pramasoul/micropython,EcmaXp/micropython,ChuckM/micropython,kerneltask/micropython,aitjcize/micropython,praemdonck/micropython,MrSurly/micropython,jlillest/micropython,Timmenem/micropython,HenrikSolver/micropython,puuu/micropython,ganshun666/micropython,ganshun666/micropython,adamkh/micropython,emfcamp/micropython,tobbad/micropython,dinau/micropython,trezor/micropython,stonegithubs/micropython,methoxid/micropystat,xyb/micropython,adamkh/micropython,pramasoul/micropython,lowRISC/micropython,kostyll/micropython,danicampora/micropython,orionrobots/micropython,tdautc19841202/micropython,suda/micropython,dxxb/micropython,lbattraw/micropython,pfalcon/micropython,misterdanb/micropython,paul-xxx/micropython,oopy/micropython,adafruit/circuitpython,PappaPeppar/micropython,ahotam/micropython,toolmacher/micropython,deshipu/micropython,neilh10/micropython,adamkh/micropython,mgyenik/micropython,selste/micropython,ganshun666/micropython,vitiral/micropython,tralamazza/micropython,selste/micropython,jimkmc/micropython,noahchense/micropython,AriZuu/micropython,Timmenem/micropython,lowRISC/micropython,lowRISC/micropython,ahotam/micropython,hiway/micropython,ceramos/micropython,HenrikSolver/micropython,jimkmc/micropython,turbinenreiter/micropython,cwyark/micropython,matthewelse/micropython,xhat/micropython,noahchense/micropython,galenhz/micropython,skybird6672/micropython,dmazzella/micropython,SungEun-Steve-Kim/test-mp,PappaPeppar/micropython,dinau/micropython,utopiaprince/micropython,mianos/micropython,MrSurly/micropython-esp32,selste/micropython,alex-robbins/micropython,aitjcize/micropython,adafruit/micropython,oopy/micropython,PappaPeppar/micropython,mianos/micropython,puuu/micropython,aethaniel/micropython,Timmenem/micropython,xuxiaoxin/micropython,martinribelotta/micropython,misterdanb/micropython,SungEun-Steve-Kim/test-mp,blmorris/micropython,cloudformdesign/micropython,Vogtinator/micropython,Vogtinator/micropython,omtinez/micropython,puuu/micropython,dmazzella/micropython,praemdonck/micropython,feilongfl/micropython,AriZuu/micropython,misterdanb/micropython,MrSurly/micropython,KISSMonX/micropython,ChuckM/micropython,alex-robbins/micropython,deshipu/micropython,tuc-osg/micropython,heisewangluo/micropython,SungEun-Steve-Kim/test-mp,bvernoux/micropython,aitjcize/micropython,adafruit/micropython,blazewicz/micropython,methoxid/micropystat,chrisdearman/micropython,vriera/micropython,Peetz0r/micropython-esp32,deshipu/micropython,hosaka/micropython,mianos/micropython,dxxb/micropython,TDAbboud/micropython,alex-march/micropython,MrSurly/micropython-esp32,toolmacher/micropython