Ensure tox can find local python builds
Move startup file to a dir beneath ~/python/

for simplicity/consistency
Create local venv and pip install into it

instead of leaving hints in the notes file
Specify minimum versions in pip requirements file
Hack up a script to work with requirements file
Add a few more dists to the requirements file
Don't auto-install the pip reqs

since it's easy to do when actually needed
Warn when using pip without virtualenv
Ignore *.pyc