Merge branch 'release/0.0.1'
Added auto-deactivation when navigating out of the .python-env directory, but not its subdirectories.
Update README.md

changed git clone address to my fork
Update README.md

whoops, changed wrong git url before.  fixed.
changed shebang to #!/usr/bin/env bash

previously was #!/bin/env bash (which doesn't exist on ubuntu)
add .python-version and .python-env files, fixed a typo and added inline documentation to bin/pyenv-autoenv