There's no README.rst, but there is a README.md.
Install dye tasks.py in virtualenv bin directory as a script.

Saves trouble finding it under various lib/site-packages directories.
Run a submodule sync before trying to update.

In case the submodule URLs have changed.
Search for different remote versions of python.
Merge commit '3f6ff240dbf47234249a68b34c8a98bb11237aa7'
Merge commit '6c91ca6ab4eab7c020b6addae88dfcc93c530d4c'
Use cached python bin in create_deploy_virtualenv