fix some outdated documentation of Hub internals
fix some outdated documentation of Hub internals

Fixes #238

aspiers/hub,jpkrohling/hub,codydaig/hub,pankona/hub,github/hub,dongjoon-hyun/hub,haikyuu/hub,AndBicScadMedia/hub,ryo33/hub,hopil/hub,Gusto/hub,nmfzone/hub,hb9kns/hub,dev4mobile/hub,hopil/hub,terry2000/hub,github/hub,nmfzone/hub,whilp/hub,RichardLitt/hub,hb9kns/hub,nmfzone/hub,sideci-sample/sideci-sample-hub,adjohnson916/hub,RichardLitt/hub,pankona/hub,pcorpet/hub,ryo33/hub,hopil/hub,cpick/hub,cpick/hub,hb9kns/hub,isundaylee/hub,pwaller/hub,github/hub,aereal/hub,xantage/hub,naru0504/hub,SanCoder-Q/hub,naru0504/hub,boris-rea/hub,dev4mobile/hub,yasuoza/hub,terry2000/hub,jpkrohling/hub,codydaig/hub,elancom/hub,naru0504/hub,adjohnson916/hub,adjohnson916/hub,ZenPayroll/hub,pcorpet/hub,xantage/hub,dongjoon-hyun/hub,pankona/hub,elancom/hub,nlutsenko/hub,sideci-sample/sideci-sample-hub,ASidlinskiy/hub,aspiers/hub,nlutsenko/hub,boris-rea/hub,SanCoder-Q/hub,sbp/hub,rlugojr/hub,pwaller/hub,AndBicScadMedia/hub,cpick/hub,isundaylee/hub,aspiers/hub,whilp/hub,ASidlinskiy/hub,rlugojr/hub,SanCoder-Q/hub,mattn/hub,boris-rea/hub,tomasv/hub,sbp/hub,RichardLitt/hub,sferik/hub,jingweno/hub,mattn/hub,codydaig/hub,terry2000/hub,ASidlinskiy/hub,haikyuu/hub,yasuoza/hub,jingweno/hub,Gusto/hub,github/hub,sferik/hub,rlugojr/hub,ZenPayroll/hub,tomasv/hub,haikyuu/hub,jingweno/hub,jpkrohling/hub,pcorpet/hub,isundaylee/hub,whilp/hub,nlutsenko/hub,aereal/hub,sbp/hub,dev4mobile/hub,tomasv/hub,dongjoon-hyun/hub,ryo33/hub,pwaller/hub,aereal/hub,xantage/hub,elancom/hub,AndBicScadMedia/hub