[Python-3000] Lines breaking

["Martin v. Löwis"]

> Heh, just today I was wondering if we should kill splitlines:
> 
> $ grep splitlines `find Lib -name '*.py'` | egrep -v
> '(difflib|/test/|UserString)' | wc
>     24     111    1653
> $ egrep 'split[^l]' `find Lib -name '*.py'` | egrep -v
> '(difflib|/test/|UserString)' | wc
>    916    4943   63104
> 
> splitlines() is pretty lightly used.  split() has many uses (not
> surprising).

However, I think that splitlines should work consistently with
readlines (for some definition of "consistent").

Regards,
Martin