avoid ruby style warnings
avoid ruby style warnings

fixes #218, fixes #194

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