objdict: Cast mp_obj_t to concrete types explicitly.
objdict: Cast mp_obj_t to concrete types explicitly.

Continuation of refactoring applied previously to objlist.

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