pynag/pynag — pull request #176 by palli (2014-11-22 13:53:43+00:00)
Title: Patches for resolving macros and custom variables

This pull request has contains the following:

* Fix several issues where None is returned instead of empty string when unable to resolve macros or custom variables

* Refactor unit tests in a seperate class test_model.TestMacroResolving
* Add significant amount of tests