Token store Singleton for cookies/CSRF tokens.
Add CSRF error.
Set cookies and CSRF tokens when we have them.
Get post_auth method working.
Don't use cookie jar.

Didn't seem to work anyway.
Move crypto functions into crypto class.
Extract body objects from the response.
Implementing key operations.
Don't dump body - can use Faraday to debug.
Wrap dump data in an object.
CSRF tokens are set in the headers.
Include files and add dump methods to namespace.
Extract the auth token from response.
Simplify/enhance the key calls.
Usage documentation.