Don't forget version at the end of setup.py, write it only if changed. This fixes issue159: "python setup.py install" shouldn't write new files in the working dir if one has done "python setup.py build" first.

%% no changes
%% no changes
%% uncompressed contents in repo
this is a test
%% uncompress our working dir copy
this is a test
%% uncompress our new working dir copy
this is a test