Replace simpleparse with pyparsing

Configshell uses simpleparse to parse the command line. Unfortunately,
simpleparse does not seem to be maintained anymore: the last release
was three years ago. Moreover, simpleparse is not widely used (on
Debian, only configshell depends on it).

On the other hand, pyparsing is actively maintained, widely used and
ready for Python 3. So let's use it.

Signed-off-by: Christophe Vu-Brugier <cvubrugier@yahoo.fr>
Merge pull request #4 from cvubrugier/pyparsing-v2

Replace simpleparse with pyparsing
update version to 1.1.fb9

Signed-off-by: Andy Grover <agrover@redhat.com>
Comply with PEP 3310 "Catching Exceptions in Python 3000"

Generated with `2to3 -f except`.

Signed-off-by: Christophe Vu-Brugier <cvubrugier@yahoo.fr>
Merge pull request #5 from cvubrugier/2to3

2to3: preparatory work for python 3