Add reference to issue #136
Add reference to issue #136

as that might be a good issue to do some cleanup.

ntnmrndn/R.swift,ntnmrndn/R.swift,mac-cain13/R.swift,tomasharkema/R.swift,renrawnalon/R.swift,mac-cain13/R.swift,renrawnalon/R.swift,tomasharkema/R.swift,mac-cain13/R.swift