Don't use return of in-place string manipulation methods
Don't use return of in-place string manipulation methods

Methods such as String#chomp! return `nil` if nothing is modified, which
is not what we want.

phreakocious/ohai,jseely/ohai,375gnu/ohai,numericillustration/ohai,sh9189/ohai,zshuo/ohai,bougyman/ohai,http-418/ohai,n-marton/ohai,tas50/ohai-1,shtzr840329/ohai,jbfavre/ohai,Juniper/ohai,mattray/ohai,http-418/ohai,juliandunn/ohai,dreamnite/ohai,acaiafa/ohai,dreamnite/ohai,davide125/ohai,glennmatthews/ohai,n-marton/ohai,higanworks/ohai,acaiafa/ohai,Fodoj/ohai,mattray/ohai,Juniper/ohai,adamleff/ohai,phreakocious/ohai,davide125/ohai,higanworks/ohai,johnbellone/ohai,jbfavre/ohai,criteo-forks/ohai,chef/ohai,Fodoj/ohai,jaymzh/ohai,375gnu/ohai,glennmatthews/ohai,zshuo/ohai,bougyman/ohai,sh9189/ohai,juliandunn/ohai,adamleff/ohai,criteo-forks/ohai,chef/ohai,jseely/ohai,johnbellone/ohai,shtzr840329/ohai,numericillustration/ohai,jaymzh/ohai,tas50/ohai-1