* module and module tests/examples
* align blueprints and fast
* fix null ranges
* make ports optional
* tfdoc
* make rules optional defaulting to all protocols
* review comments
* last round of comments
* invert precedence of template variables
* add option to disable all default rules
* add option to disable all default rules
* split egress/ingress
* tests
* fix tests
We always use the same directory for terraform fixtures, so it's quite
easy to figure out its path from a pytest fixture by inspecting the
stack. This commit implements this functionality and decreases the
amount of boilerplate needed to write a test.
(Ported from fast)
Ludo
Simone Ruffilli
Julio Castillo