Add not_recursive argument to Formo::set_fields() and Formo::set_var_fields().
This corresponds to the not_recursive Formo::find() argument, with default TRUE.
Merge pull request #218 from shadlaws/set_fields_not_recursive

Add not_recursive argument to Formo::set_fields() and Formo::set_var_fields().
New `add_rule_fields` method
Method actually works
Merge remote-tracking branch 'upstream/master'