bugfix return code not computed, forgot to replace debug chars, more comments
bugfix return code not computed, forgot to replace debug chars, more comments

jaesivsm/liquidprompt,dpilone/liquidprompt,lyoshenka/liquidprompt,elementalvoid/liquidprompt,tstone2077/liquidprompt,pkkolos/liquidprompt,timhyson/liquidprompt,BobHood/liquidprompt,milouse/liquidprompt,joshuarubin/dotfiles,smadhueagle/liquidprompt,alexprengere/liquidprompt,dtschan/liquidprompt,nojhan/liquidprompt,colinlieberman/liquidprompt,illwieckz/liquidprompt,joshuarubin/dotfiles,jonathanjsimon/liquidprompt,joshuarubin/dotfiles,laurentbardin/liquidprompt,enrdstrm/liquidprompt,mathieumd/liquidprompt,dan-cleinmark/liquidprompt,joshuarubin/dotfiles,kenrachynski/liquidprompt,tsbarnes/liquidprompt,tkuminecz/liquidprompt,tocomo/liquidprompt