Decode stdout in shell.run_cmd
Decode stdout in shell.run_cmd

Closes #885
kenrachynski/powerline,junix/powerline,Luffin/powerline,DoctorJellyface/powerline,IvanAli/powerline,bartvm/powerline,blindFS/powerline,Liangjianghao/powerline,xfumihiro/powerline,areteix/powerline,cyrixhero/powerline,xfumihiro/powerline,lukw00/powerline,xxxhycl2010/powerline,wfscheper/powerline,Luffin/powerline,areteix/powerline,s0undt3ch/powerline,xxxhycl2010/powerline,blindFS/powerline,prvnkumar/powerline,xxxhycl2010/powerline,seanfisk/powerline,dragon788/powerline,seanfisk/powerline,bartvm/powerline,EricSB/powerline,DoctorJellyface/powerline,EricSB/powerline,QuLogic/powerline,russellb/powerline,S0lll0s/powerline,darac/powerline,russellb/powerline,s0undt3ch/powerline,wfscheper/powerline,EricSB/powerline,dragon788/powerline,cyrixhero/powerline,junix/powerline,prvnkumar/powerline,s0undt3ch/powerline,dragon788/powerline,firebitsbr/powerline,QuLogic/powerline,QuLogic/powerline,bezhermoso/powerline,areteix/powerline,magus424/powerline,firebitsbr/powerline,bezhermoso/powerline,bezhermoso/powerline,xfumihiro/powerline,blindFS/powerline,darac/powerline,DoctorJellyface/powerline,magus424/powerline,seanfisk/powerline,wfscheper/powerline,prvnkumar/powerline,Liangjianghao/powerline,S0lll0s/powerline,lukw00/powerline,lukw00/powerline,IvanAli/powerline,junix/powerline,darac/powerline,firebitsbr/powerline,kenrachynski/powerline,bartvm/powerline,S0lll0s/powerline,cyrixhero/powerline,Luffin/powerline,Liangjianghao/powerline,IvanAli/powerline,magus424/powerline,kenrachynski/powerline,russellb/powerline