Update now detects OS version.
Made installable as a command line application.
Moved hey => hey.py, simplified what.py.
Added dice.py.
Added coin.py.
Alphabetically sorted all imports.
Update setup.py.
Simplified rename.py
Added remove.py for the removal of files.
Merge pull request #5 from jce-devel/master

Simplifications, refinements and new features