Update SanitizedSwiftName keyword list
Update SanitizedSwiftName keyword list

and small refactor on the BlacklistedCharacters code

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