Import py27-lhafile-0nb20140713 as wip/py-lhafile.

This project is an updated version of the project found at
http://trac.neotitans.net/wiki/lhafile

Changes include:
* Support for Python 3.x.
* Support file notes (as found in Amiga .lha files).
* Support for archives with ISO-8859-1 filenames.
* Fixed a bug causing crashes in lzhlib.
Add py-lhafile.
Update to version 2.5.5dev. Now requires python3.