Docs need attention for: "Download and install the Cloudflow CLI"

[michael-read]

Is your feature request related to a problem? Please describe.
The docs described here. Are terribly hard to use with the old versions listed.

Is your feature request related to a specific runtime of cloudflow or applicable for all runtimes?
2.3.1

Describe the solution you'd like
Any place there is a version of Cloudflow displayed, automatically update it to the current version. For example,

curl -sL http://cloudflow.io/docs/get.sh | bash -s -- --prefix=$HOME --version=2.0.22 --verbose
curl -sL http://cloudflow.io/docs/get.sh | bash -s -- -P $HOME -v 2.0.22 -V

should automatically changed with the docs are created to:

curl -sL http://cloudflow.io/docs/get.sh | bash -s -- --prefix=$HOME --version=2.3.1 --verbose
curl -sL http://cloudflow.io/docs/get.sh | bash -s -- -P $HOME -v 2.3.1 -V