Add some methods to PowerlineRenderResult
Add some methods to PowerlineRenderResult

This is an attempt to fix PDB prompt on PyPy. Does not work.

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