Remove trailing whitespaces
Introduce __version__

Since the last release version was 0.5, tag the development version 0.5.99,
which will eventually end up in a 0.6 release.
Merge cli tool from mwalle/pyvxi11
setup.py: import version from version.py

Instead of duplicating the version, import it from the version.py file.
Ignore generated MANIFEST file in scm
move visa string parsing into own function

This enables us to test this function.
Merge branch 'master' of https://github.com/mwalle/python-vxi11
Merge project with pyvxi11
Python 3 fixes for cli module
Add support to cli module for vxi11 name agument
Add support for to cli for reading without writing